{"id":23383200,"url":"https://github.com/stwind/atcoder","last_synced_at":"2025-04-08T09:30:30.361Z","repository":{"id":65054743,"uuid":"273223019","full_name":"stwind/atcoder","owner":"stwind","description":"Playing AtCoder","archived":false,"fork":false,"pushed_at":"2023-10-17T12:47:34.000Z","size":754,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":3,"default_branch":"main","last_synced_at":"2025-02-14T06:36:16.977Z","etag":null,"topics":["atcoder","cpp"],"latest_commit_sha":null,"homepage":"","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/stwind.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2020-06-18T11:43:06.000Z","updated_at":"2023-09-29T08:27:42.000Z","dependencies_parsed_at":"2023-02-19T15:15:38.974Z","dependency_job_id":"9f04a5ea-8b19-4e85-b9b7-3af446993377","html_url":"https://github.com/stwind/atcoder","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/stwind%2Fatcoder","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/stwind%2Fatcoder/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/stwind%2Fatcoder/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/stwind%2Fatcoder/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/stwind","download_url":"https://codeload.github.com/stwind/atcoder/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":247813043,"owners_count":21000421,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["atcoder","cpp"],"created_at":"2024-12-21T22:18:59.835Z","updated_at":"2025-04-08T09:30:30.321Z","avatar_url":"https://github.com/stwind.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# AtCoder\n\nPlaying [AtCoder](https://atcoder.jp/).\n\n## Requirements\n\n- gcc 12\n\n## Problems\n\n| Contest                        | Problem                                                                                                              | Memo                                    |\n| ------------------------------ | -------------------------------------------------------------------------------------------------------------------- | --------------------------------------- |\n| ABC167                         | [D - Teleporter](https://atcoder.jp/contests/abc167/tasks/abc167_d)                                                  | DP Doubling                             |\n| typical90                      | [012 - Red Painting（★4）](https://atcoder.jp/contests/typical90/tasks/typical90_l)                                  | Union Find                              |\n| atc001                         | [B - Union Find](https://atcoder.jp/contests/atc001/tasks/unionfind_a)                                               | Union Find                              |\n| abc097                         | [D - Equals](https://atcoder.jp/contests/abc097/tasks/arc097_b)                                                      | Union Find                              |\n| arc032                         | [B - 道路工事](https://atcoder.jp/contests/arc032/tasks/arc032_2)                                                    | Union Find                              |\n| abc049                         | [D - 連結](https://atcoder.jp/contests/abc049/tasks/arc065_b)                                                        | Union Find                              |\n| abc120                         | [D - Decayed Bridges](https://atcoder.jp/contests/abc120/tasks/abc120_d)                                             | Union Find                              |\n| abc157                         | [D - Friend Suggestions](https://atcoder.jp/contests/abc157/tasks/abc157_d)                                          | Union Find                              |\n| typical90                      | [013 - Passing（★5）](https://atcoder.jp/contests/typical90/tasks/typical90_m)                                       | Dijkstra                                |\n| abc034                         | [C - 経路](https://atcoder.jp/contests/abc034/tasks/abc034_c)                                                        | 二項係数                                |\n| abc185                         | [C - Duodecim Ferra](https://atcoder.jp/contests/abc185/tasks/abc185_c)                                              | 二項係数                                |\n| typical90                      | [015 - Don't be too close（★6）](https://atcoder.jp/contests/typical90/tasks/typical90_o)                            | 二項係数                                |\n| atc002                         | [B - n^p mod m](https://atcoder.jp/contests/atc002/tasks/atc002_b)                                                   | 繰返し二乗法                            |\n| abc167                         | [E - Colorful Blocks](https://atcoder.jp/contests/abc167/tasks/abc167_e)                                             | 二項係数                                |\n| abc021                         | [D - 多重ループ](https://atcoder.jp/contests/abc021/tasks/abc021_d)                                                | 二項係数                                |\n| agc025                         | [B - RGB Coloring](https://atcoder.jp/contests/agc025/tasks/agc025_b)                                                | 二項係数, 素因数分解                    |\n| arc077                         | [D - 11](https://atcoder.jp/contests/arc077/tasks/arc077_b)                                                          | 二項係数                                |\n| arc116                         | [C - Multiple Sequences](https://atcoder.jp/contests/arc116/tasks/arc116_c)                                          | 二項係数, 素因数分解                    |\n| practice2                      | [B - Fenwick Tree](https://atcoder.jp/contests/practice2/tasks/practice2_b)                                          | Binary Indexed Tree                     |\n| abc038                         | [D - プレゼント](https://atcoder.jp/contests/abc038/tasks/abc038_d)                                              | Binary Indexed Tree                     |\n| abc036                         | [C - 座圧](https://atcoder.jp/contests/abc036/tasks/abc036_c)                                                        | 座標圧縮                                |\n| abc113                         | [C - ID](https://atcoder.jp/contests/abc113/tasks/abc113_c)                                                          | 座標圧縮                                |\n| abc107                         | [B - Grid Compression](https://atcoder.jp/contests/abc107/tasks/abc107_b)                                            | 座標圧縮                                |\n| abc213                         | [C - Reorder Cards](https://atcoder.jp/contests/abc213/tasks/abc213_c)                                               | 座標圧縮                                |\n| abc231                         | [F - Jealous Two](https://atcoder.jp/contests/abc231/tasks/abc231_f)                                                 | 座標圧縮, Binary Indexed Tree           |\n| abc234                         | [D - Prefix K-th Max](https://atcoder.jp/contests/abc234/tasks/abc234_d)                                             | Heap, Binary Indexed Tree               |\n| chokudai_S001                  | [J - 転倒数](https://atcoder.jp/contests/chokudai_S001/tasks/chokudai_S001_j)                                        | Binary Indexed Tree                     |\n| abc185                         | [F - Range Xor Query](https://atcoder.jp/contests/abc185/tasks/abc185_f)                                             | Binary Indexed Tree                     |\n| arc033                         | [C - データ構造](https://atcoder.jp/contests/arc033/tasks/arc033_3)                                                | Binary Indexed Tree                     |\n| abc035                         | [C - オセロ](https://atcoder.jp/contests/abc035/tasks/abc035_c)                                                      | 累積和, いもす法                        |\n| abc014                         | [C - AtColor](https://atcoder.jp/contests/abc014/tasks/abc014_3)                                                     | 累積和, いもす法                        |\n| abc138                         | [D - Ki](https://atcoder.jp/contests/abc138/tasks/abc138_d)                                                          | 累積和                                  |\n| abc018                         | [C - 菱型カウント](https://atcoder.jp/contests/abc018/tasks/abc018_3)                                                | 累積和, いもす法                        |\n| typical90                      | [028 - Cluttered Paper（★4）](https://atcoder.jp/contests/typical90/tasks/typical90_ab)                              | 累積和, いもす法                        |\n| nikkei2019-final               | [A - Abundant Resources](https://atcoder.jp/contests/nikkei2019-final/tasks/nikkei2019_final_a)                      | 累積和                                  |\n| abc084                         | [D - 2017-like Number](https://atcoder.jp/contests/abc084/tasks/abc084_d)                                            | 累積和, 素数                            |\n| agc023                         | [A - Zero-Sum Ranges](https://atcoder.jp/contests/agc023/tasks/agc023_a)                                             | 累積和                                  |\n| abc005                         | [D - おいしいたこ焼きの焼き方](https://atcoder.jp/contests/abc005/tasks/abc005_4)                                    | 累積和                                  |\n| abc086                         | [D - Checker](https://atcoder.jp/contests/abc086/tasks/arc089_b)                                                     | 累積和                                  |\n| abc032                         | [C - 列](https://atcoder.jp/contests/abc032/tasks/abc032_c)                                                          | しゃくとり法                            |\n| abc038                         | [C - 単調増加](https://atcoder.jp/contests/abc038/tasks/abc038_c)                                                    | しゃくとり法                            |\n| abc153                         | [F - Silver Fox vs Monster](https://atcoder.jp/contests/abc153/tasks/abc153_f)                                       | いもす法                                |\n| arc022                         | [B - 細長いお菓子](https://atcoder.jp/contests/arc022/tasks/arc022_2)                                                | しゃくとり法                            |\n| abc098                         | [D - Xor Sum 2](https://atcoder.jp/contests/abc098/tasks/arc098_b)                                                   | しゃくとり法                            |\n| abc017                         | [D - サプリメント](https://atcoder.jp/contests/abc017/tasks/abc017_4)                                              | 累積和, しゃくとり法                    |\n| abc134                         | [C - Exception Handling](https://atcoder.jp/contests/abc134/tasks/abc134_c)                                          | 累積和                                  |\n| tkppc3                         | [D - 巨大チェスボード](https://atcoder.jp/contests/tkppc3/tasks/tkppc3_d)                                        | 累積和                                  |\n| abc122                         | [C - GeT AC](https://atcoder.jp/contests/abc122/tasks/abc122_c)                                                      | 累積和                                  |\n| abc125                         | [C - GCD on Blackboard](https://atcoder.jp/contests/abc125/tasks/abc125_c)                                           | 累積和                                  |\n| abjoi2017yoc125                | [C - 休憩スペース (Refreshment Area)](https://atcoder.jp/contests/joi2017yo/tasks/joi2017yo_c)                     | 累積和                                  |\n| abc080                         | [D - Recording](https://atcoder.jp/contests/abc080/tasks/abc080_d)                                                   | 累積和                                  |\n| bitflyer2018-qual              | [D - ハンコ](https://atcoder.jp/contests/bitflyer2018-qual/tasks/bitflyer2018_qual_d)                                | 累積和, いもす法, 座標圧縮              |\n| arc077                         | [E - guruguru](https://atcoder.jp/contests/arc077/tasks/arc077_c)                                                    | 累積和, いもす法                        |\n| abc197                         | [C - ORXOR](https://atcoder.jp/contests/abc197/tasks/abc197_c)                                                       | bit                                     |\n| abc147                         | [D - Xor Sum 4](https://atcoder.jp/contests/abc147/tasks/abc147_d)                                                   | bit                                     |\n| arc114                         | [A - Not coprime](https://atcoder.jp/contests/arc114/tasks/arc114_a)                                                 | bit, 素数                               |\n| abc194                         | [C - Squared Error](https://atcoder.jp/contests/abc194/tasks/abc194_c)                                               | 主客転倒                                |\n| arc107                         | [A - Simple Math](https://atcoder.jp/contests/arc107/tasks/arc107_a)                                                 | 割り算                                  |\n| arc111                         | [A - Simple Math 2](https://atcoder.jp/contests/arc111/tasks/arc111_a)                                               | 割り算                                  |\n| abc110                         | [D - Factorization](https://atcoder.jp/contests/abc110/tasks/abc110_d)                                               | 二項係数, 素因数分解                    |\n| arc004                         | [D - 表現の自由 ( Freedom of expression )](https://atcoder.jp/contests/arc004/tasks/arc004_4)                        | 二項係数, 素因数分解                    |\n| caddi2018                      | [C - Product and GCD](https://atcoder.jp/contests/caddi2018/tasks/caddi2018_a)                                       | 素因数分解                              |\n| arc110                         | [D - Binomial Coefficient is Fun](https://atcoder.jp/contests/arc110/tasks/arc110_d)                                 | 二項係数                                |\n| arc107                         | [C - Shuffle Permutation](https://atcoder.jp/contests/arc107/tasks/arc107_c)                                         | Union Find                              |\n| arc004                         | [A - 2 点間距離の最大値 ( The longest distance )](https://atcoder.jp/contests/arc004/tasks/arc004_1)                 | 数学                                    |\n| abc168                         | [C - : (Colon)](https://atcoder.jp/contests/abc168/tasks/abc168_c)                                                   | 三角関数                                |\n| abc197                         | [D - Opposite](https://atcoder.jp/contests/abc197/tasks/abc197_d)                                                    | 三角関数                                |\n| abc144                         | [D - Water Bottle](https://atcoder.jp/contests/abc144/tasks/abc144_d)                                                | 三角関数                                |\n| abc033                         | [D - 三角形の分類](https://atcoder.jp/contests/abc033/tasks/abc033_d)                                                | しゃくとり法                            |\n| abc273                         | [D - LRUD Instructions](https://atcoder.jp/contests/abc273/tasks/abc273_d)                                           | 二分探索                                |\n| abc269                         | [E - Last Rook](https://atcoder.jp/contests/abc269/tasks/abc269_e)                                                   | 二分探索                                |\n| abc260                         | [D - Draw Your Cards](https://atcoder.jp/contests/abc260/tasks/abc260_d)                                             | 二分探索                                |\n| abc255                         | [D - ±1 Operation 2](https://atcoder.jp/contests/abc255/tasks/abc255_d)                                              | 二分探索                                |\n| abc255                         | [C - ±1 Operation 1](https://atcoder.jp/contests/abc255/tasks/abc255_c)                                              | 二分探索                                |\n| abc254                         | [D - Together Square](https://atcoder.jp/contests/abc254/tasks/abc254_d)                                             | 数学                                    |\n| abc248                         | [D - Range Count Query](https://atcoder.jp/contests/abc248/tasks/abc248_d)                                           | 二分探索                                |\n| abc246                         | [D - 2-variable Function](https://atcoder.jp/contests/abc246/tasks/abc246_d)                                         | 二分探索                                |\n| abc246                         | [D - 2-variable Function](https://atcoder.jp/contests/abc246/tasks/abc246_d)                                         | 二分探索                                |\n| practice2                      | [J - Segment Tree](https://atcoder.jp/contests/practice2/tasks/practice2_j)                                          | Segment Tree                            |\n| agc005                         | [B - Minimum Sum](https://atcoder.jp/contests/agc005/tasks/agc005_b)                                                 | 主客転倒, monotonic stack, Segment Tree |\n| abc157                         | [E - Simple String Queries](https://atcoder.jp/contests/abc157/tasks/abc157_e)                                       | Segment Tree                            |\n| abc217                         | [D - Cutting Woods](https://atcoder.jp/contests/abc217/tasks/abc217_d)                                               | Segment Tree, 座標圧縮                  |\n| arc008                         | [D - タコヤキオイシクナール](https://atcoder.jp/contests/arc008/tasks/arc008_4)                                      | Segment Tree, 座標圧縮, 半環            |\n| abc241                         | [D - Sequence Query](https://atcoder.jp/contests/abc241/tasks/abc241_d)                                              | Segment Tree, 座標圧縮                  |\n| abc231                         | [C - Counting 2](https://atcoder.jp/contests/abc231/tasks/abc231_c)                                                  | 二分探索                                |\n| abc228                         | [D - Linear Probing](https://atcoder.jp/contests/abc228/tasks/abc228_d)                                              | 二分探索                                |\n| abc216                         | [E - Amusement Park](https://atcoder.jp/contests/abc216/tasks/abc216_e)                                              | 二分探索                                |\n| abc208                         | [C - Fair Candy Distribution](https://atcoder.jp/contests/abc208/tasks/abc208_c)                                     | 座標圧縮                                |\n| abc263                         | [C - Monotonically Increasing](https://atcoder.jp/contests/abc263/tasks/abc263_c)                                    | itertools                               |\n| abc232                         | [C - Graph Isomorphism](https://atcoder.jp/contests/abc232/tasks/abc232_c)                                           | itertools                               |\n| abc215                         | [C - One More aab aba baa](https://atcoder.jp/contests/abc215/tasks/abc215_c)                                        | itertools                               |\n| abc250                         | [D - 250-like Number](https://atcoder.jp/contests/abc250/tasks/abc250_d)                                             | 素数                                    |\n| abc215                         | [D - Coprime 2](https://atcoder.jp/contests/abc215/tasks/abc215_d)                                                   | 素因数分解                              |\n| abc233                         | [C - Product](https://atcoder.jp/contests/abc233/tasks/abc233_c)                                                     | DFS                                     |\n| abc236                         | [D - Dance](https://atcoder.jp/contests/abc236/tasks/abc236_d)                                                       | DFS                                     |\n| abc213                         | [D - Takahashi Tour](https://atcoder.jp/contests/abc213/tasks/abc213_d)                                              | DFS                                     |\n| abc284                         | [E - Count Simple Paths](https://atcoder.jp/contests/abc284/tasks/abc284_e)                                          | DFS                                     |\n| abc240                         | [E - Ranges on Tree](https://atcoder.jp/contests/abc240/tasks/abc240_e)                                              | DFS                                     |\n| abc239                         | [E - Subtree K-th Max](https://atcoder.jp/contests/abc239/tasks/abc239_e)                                            | DFS                                     |\n| abc014                         | [D - 閉路](https://atcoder.jp/contests/abc014/tasks/abc014_4)                                                        | Euler Tour, Segment Tree, LCA           |\n| abc284                         | [C - Count Connected Components](https://atcoder.jp/contests/abc284/tasks/abc284_c)                                  | BFS                                     |\n| abc282                         | [D - Make Bipartite 2](https://atcoder.jp/contests/abc282/tasks/abc282_d)                                            | BFS                                     |\n| abc270                         | [C - Simple path](https://atcoder.jp/contests/abc270/tasks/abc270_c)                                                 | BFS                                     |\n| abc204                         | [C - Tour](https://atcoder.jp/contests/abc204/tasks/abc204_c)                                                        | BFS                                     |\n| abc276                         | [E - Round Trip](https://atcoder.jp/contests/abc276/tasks/abc276_e)                                                  | BFS                                     |\n| abc272                         | [D - Root M Leaper](https://atcoder.jp/contests/abc272/tasks/abc272_d)                                               | BFS                                     |\n| abc269                         | [D - Do use hexagon grid](https://atcoder.jp/contests/abc269/tasks/abc269_d)                                         | BFS                                     |\n| abc235                         | [D - Multiply and Rotate](https://atcoder.jp/contests/abc235/tasks/abc235_d)                                         | BFS                                     |\n| abc232                         | [D - Weak Takahashi](https://atcoder.jp/contests/abc232/tasks/abc232_d)                                              | BFS                                     |\n| abc211                         | [D - Number of Shortest paths](https://atcoder.jp/contests/abc211/tasks/abc211_d)                                    | BFS                                     |\n| abc209                         | [D - Collision](https://atcoder.jp/contests/abc209/tasks/abc209_d)                                                   | BFS                                     |\n| abc253                         | [C - Max - Min Query](https://atcoder.jp/contests/abc253/tasks/abc253_c)                                             | heap                                    |\n| abc223                         | [D - Restricted Permutation](https://atcoder.jp/contests/abc223/tasks/abc223_d)                                      | heap                                    |\n| abc212                         | [D - Querying Multiset](https://atcoder.jp/contests/abc212/tasks/abc212_d)                                           | heap                                    |\n| abc007                         | [C - 幅優先探索](https://atcoder.jp/contests/abc007/tasks/abc007_3)                                                  | BFS                                     |\n| abc088                         | [D - Grid Repainting](https://atcoder.jp/contests/abc088/tasks/abc088_d)                                             | BFS                                     |\n| abc077                         | [C - Snuke Festival](https://atcoder.jp/contests/abc077/tasks/arc084_a)                                              | 二分探索                                |\n| arc005                         | [C - 器物損壊！高橋君](https://atcoder.jp/contests/arc005/tasks/arc005_3)                                            | BFS                                     |\n| abc176                         | [D - Wizard in Maze](https://atcoder.jp/contests/abc176/tasks/abc176_d)                                              | BFS                                     |\n| arc061                         | [C - たくさんの数式](https://atcoder.jp/contests/arc061/tasks/arc061_a)                                              | bit                                     |\n| arc061                         | [E - すぬけ君の地下鉄旅行](https://atcoder.jp/contests/arc061/tasks/arc061_c)                                        | BFS, Dijkstra                           |\n| abc277                         | [E - Crystal Switches](https://atcoder.jp/contests/abc277/tasks/abc277_e)                                            | BFS, Dijkstra                           |\n| abc217                         | [E - Sorting Queries](https://atcoder.jp/contests/abc217/tasks/abc217_e)                                             | heap                                    |\n| abc077                         | [D - Small Multiple](https://atcoder.jp/contests/abc077/tasks/arc084_b)                                              | BFS                                     |\n| abc246                         | [E - Bishop 2](https://atcoder.jp/contests/abc246/tasks/abc246_e)                                                    | BFS                                     |\n| abc170                         | [F - Pond Skater](https://atcoder.jp/contests/abc170/tasks/abc170_f)                                                 | BFS                                     |\n| abc254                         | [E - Small d and k](https://atcoder.jp/contests/abc254/tasks/abc254_e)                                               | BFS                                     |\n| abc257                         | [D - Jumping Takahashi 2](https://atcoder.jp/contests/abc257/tasks/abc257_d)                                         | BFS, 二分探索                           |\n| abc188                         | [E - Peddler](https://atcoder.jp/contests/abc188/tasks/abc188_e)                                                     | DP                                      |\n| abc244                         | [F - Shortest Good Path](https://atcoder.jp/contests/abc244/tasks/abc244_f)                                          | DP, BFS                                 |\n| abc251                         | [F - Two Spanning Trees](https://atcoder.jp/contests/abc251/tasks/abc251_f)                                          | DFS, BFS                                |\n| abc248                         | [C - Dice Sum](https://atcoder.jp/contests/abc248/tasks/abc248_c)                                                    | DP, 包除原理                            |\n| abc245                         | [C - Choose Elements](https://atcoder.jp/contests/abc245/tasks/abc245_c)                                             | DP                                      |\n| abc242                         | [C - 1111gal password](https://atcoder.jp/contests/abc242/tasks/abc242_c)                                            | DP                                      |\n| abc211                         | [C - chokudai](https://atcoder.jp/contests/abc211/tasks/abc211_c)                                                    | DP                                      |\n| abc267                         | [D - Index × A(Not Continuous ver.)](https://atcoder.jp/contests/abc267/tasks/abc267_d)                              | DP                                      |\n| abc266                         | [D - Snuke Panic (1D)](https://atcoder.jp/contests/abc266/tasks/abc266_d)                                            | DP                                      |\n| abc261                         | [D - Flipping and Bonus](https://atcoder.jp/contests/abc261/tasks/abc261_d)                                          | DP                                      |\n| abc222                         | [D - Between Two Arrays](https://atcoder.jp/contests/abc222/tasks/abc222_d)                                          | DP                                      |\n| abc219                         | [D - Strange Lunchbox](https://atcoder.jp/contests/abc219/tasks/abc219_d)                                            | DP                                      |\n| abc204                         | [D - Cooking](https://atcoder.jp/contests/abc204/tasks/abc204_d)                                                     | DP                                      |\n| abc253                         | [E - Distance Sequence](https://atcoder.jp/contests/abc253/tasks/abc253_e)                                           | DP, いもす法                            |\n| abc244                         | [E - King Bombee](https://atcoder.jp/contests/abc244/tasks/abc244_e)                                                 | DP                                      |\n| abc233                         | [D - Count Interval](https://atcoder.jp/contests/abc233/tasks/abc233_d)                                              | 累積和                                  |\n| abc229                         | [D - Longest X](https://atcoder.jp/contests/abc229/tasks/abc229_d)                                                   | 累積和, しゃくとり法                    |\n| abc265                         | [D - Iroha and Haiku (New ABC Edition)](https://atcoder.jp/contests/abc265/tasks/abc265_d)                           | 累積和, しゃくとり法                    |\n| abc285                         | [D - Change Usernames](https://atcoder.jp/contests/abc285/tasks/abc285_d)                                            | Union Find                              |\n| abc231                         | [D - Neighbors](https://atcoder.jp/contests/abc231/tasks/abc231_d)                                                   | Union Find                              |\n| arc037                         | [B - バウムテスト](https://atcoder.jp/contests/arc037/tasks/arc037_b)                                              | Union Find                              |\n| abc226                         | [E - Just one](https://atcoder.jp/contests/abc226/tasks/abc226_e)                                                    | Union Find, Graph                       |\n| arc106                         | [B - Values](https://atcoder.jp/contests/arc106/tasks/arc106_b)                                                      | Union Find                              |\n| abc177                         | [D - Friends](https://atcoder.jp/contests/abc177/tasks/abc177_d)                                                     | Union Find                              |\n| abc206                         | [D - KAIBUNsyo](https://atcoder.jp/contests/abc206/tasks/abc206_d)                                                   | Union Find                              |\n| aising2019                     | [C - Alternating Path](https://atcoder.jp/contests/aising2019/tasks/aising2019_c)                                    | Union Find                              |\n| abc256                         | [E - Takahashi's Anguish](https://atcoder.jp/contests/abc256/tasks/abc256_e)                                         | Union Find, Graph                       |\n| abc216                         | [D - Pair of Balls](https://atcoder.jp/contests/abc216/tasks/abc216_d)                                               | Topological Sort                        |\n| abc259                         | [D - Circumferences](https://atcoder.jp/contests/abc259/tasks/abc259_d)                                              | Union Find                              |\n| abc229                         | [E - Graph Destruction](https://atcoder.jp/contests/abc229/tasks/abc229_e)                                           | Union Find                              |\n| abc218                         | [E - Destruction](https://atcoder.jp/contests/abc218/tasks/abc218_e)                                                 | Union Find                              |\n| abc221                         | [C - Select Mul](https://atcoder.jp/contests/abc221/tasks/abc221_c)                                                  | bit                                     |\n| abc249                         | [C - Just K](https://atcoder.jp/contests/abc249/tasks/abc249_c)                                                      | bit                                     |\n| abc264                         | [C - Matrix Reducing](https://atcoder.jp/contests/abc264/tasks/abc264_c)                                             | bit                                     |\n| abc229                         | [C - Cheese](https://atcoder.jp/contests/abc229/tasks/abc229_c)                                                      | greedy                                  |\n| abc012                         | [D - バスと避けられない運命](https://atcoder.jp/contests/abc012/tasks/abc012_4)                                    | Floyd-Warshall                          |\n| abc079                         | [D - Wall](https://atcoder.jp/contests/abc079/tasks/abc079_d)                                                        | Floyd-Warshall                          |\n| abc074                         | [D - Restoring Road Network](https://atcoder.jp/contests/abc074/tasks/arc083_b)                                      | Floyd-Warshall                          |\n| abc022                         | [C - Blue Bird](https://atcoder.jp/contests/abc022/tasks/abc022_c)                                                   | Floyd-Warshall                          |\n| abc073                         | [D - joisino's travel](https://atcoder.jp/contests/abc073/tasks/abc073_d)                                            | Floyd-Warshall                          |\n| arc035                         | [C - アットコーダー王国の交通事情](https://atcoder.jp/contests/arc035/tasks/arc035_c)                              | Floyd-Warshall                          |\n| abc208                         | [D - Shortest Path Queries 2](https://atcoder.jp/contests/abc208/tasks/abc208_d)                                     | Floyd-Warshall                          |\n| abc286                         | [E - Souvenir](https://atcoder.jp/contests/abc286/tasks/abc286_e)                                                    | Floyd-Warshall                          |\n| typical-algorithm              | [B - 区間スケジューリング問題](https://atcoder.jp/contests/typical-algorithm/tasks/typical_algorithm_b)          | 区間スケジューリング                |\n| abc103                         | [D - Islands War](https://atcoder.jp/contests/abc103/tasks/abc103_d)                                                 | 区間スケジューリング                |\n| keyence2020                    | [B - Robot Arms](https://atcoder.jp/contests/keyence2020/tasks/keyence2020_b)                                        | 区間スケジューリング                |\n| abc230                         | [D - Destroyer Takahashi](https://atcoder.jp/contests/abc230/tasks/abc230_d)                                         | 区間スケジューリング                |\n| abc131                         | [D - Megalomania](https://atcoder.jp/contests/abc131/tasks/abc131_d)                                                 | 区間スケジューリング                |\n| arc106                         | [C - Solutions](https://atcoder.jp/contests/arc106/tasks/arc106_c)                                                   | 区間スケジューリング                |\n| abc003                         | [D - AtCoder 社の冬](https://atcoder.jp/contests/abc003/tasks/abc003_4)                                              | 包除原理                                |\n| abc253                         | [D - FizzBuzz Sum Hard](https://atcoder.jp/contests/abc253/tasks/abc253_d)                                           | 包除原理                                |\n| arc054                         | [B - ムーアの法則](https://atcoder.jp/contests/arc054/tasks/arc054_b)                                                | 三分探索                                |\n| abc063                         | [D - Widespread](https://atcoder.jp/contests/abc063/tasks/arc075_b)                                                  | 二分探索                                |\n| abc279                         | [D - Freefall](https://atcoder.jp/contests/abc279/tasks/abc279_d)                                                    | 三分探索                                |\n| abc109                         | [C - Skip](https://atcoder.jp/contests/abc109/tasks/abc109_c)                                                        | 最大公約数                              |\n| abc148                         | [C - Snack](https://atcoder.jp/contests/abc148/tasks/abc148_c)                                                       | 最小公倍数                              |\n| abc070                         | [C - Multiple Clocks](https://atcoder.jp/contests/abc070/tasks/abc070_c)                                             | 最小公倍数                              |\n| abc149                         | [C - Next Prime](https://atcoder.jp/contests/abc149/tasks/abc149_c)                                                  | 素数                                    |\n| arc044                         | [A - 素数判定](https://atcoder.jp/contests/arc044/tasks/arc044_a)                                                    | 素数                                    |\n| abc112                         | [D - Partition](https://atcoder.jp/contests/abc112/tasks/abc112_d)                                                   | 約数全列挙                              |\n| abc156                         | [D - Bouquet](https://atcoder.jp/contests/abc156/tasks/abc156_d)                                                     | 割り算                                  |\n| abc118                         | [C - Monsters Battle Royale](https://atcoder.jp/contests/abc118/tasks/abc118_c)                                      | 最大公約数                              |\n| abc186                         | [E - Throne](https://atcoder.jp/contests/abc186/tasks/abc186_e)                                                      | 割り算                                  |\n| abc154                         | [D - Dice in Line](https://atcoder.jp/contests/abc154/tasks/abc154_d)                                                | 累積和                                  |\n| agc028                         | [A - Two Abbreviations](https://atcoder.jp/contests/agc028/tasks/agc028_a)                                           | 最大公約数                              |\n| abc075                         | [C - Bridge](https://atcoder.jp/contests/abc075/tasks/abc075_c)                                                      | Union Find                              |\n| abc172                         | [E - NEQ](https://atcoder.jp/contests/abc172/tasks/abc172_e)                                                         | 二項係数, 包除原理                      |\n| abc178                         | [C - Ubiquity](https://atcoder.jp/contests/abc178/tasks/abc178_c)                                                    | 包除原理                                |\n| abc102                         | [D - Equal Cut](https://atcoder.jp/contests/abc102/tasks/arc100_b)                                                   | 累積和, しゃくとり法                    |\n| abc152                         | [F - Tree and Constraints](https://atcoder.jp/contests/abc152/tasks/abc152_f)                                        | 包除原理, LCA                           |\n| abc290                         | [D - Marking](https://atcoder.jp/contests/abc290/tasks/abc290_d)                                                     | 最大公約数                              |\n| practice2                      | [K - Range Affine Range Sum](https://atcoder.jp/contests/practice2/tasks/practice2_k)                                | Lazy Segment Tree                       |\n| practice2                      | [L - Lazy Segment Tree](https://atcoder.jp/contests/practice2/tasks/practice2_l)                                     | Lazy Segment Tree                       |\n| nikkei2019-final               | [D - Deforestation](https://atcoder.jp/contests/nikkei2019-final/tasks/nikkei2019_final_d)                           | Lazy Segment Tree                       |\n| abc130                         | [D - Enough Array](https://atcoder.jp/contests/abc130/tasks/abc130_d)                                                | 累積和, しゃくとり法                    |\n| arc009                         | [C - 高橋君、24 歳](https://atcoder.jp/contests/arc009/tasks/arc009_3)                                               | 包除原理, 割り算                        |\n| tenka1-2019                    | [D - Three Colors](https://atcoder.jp/contests/tenka1-2019/tasks/tenka1_2019_d)                                      | 包除原理, DP                            |\n| abc151                         | [F - Enclose All](https://atcoder.jp/contests/abc151/tasks/abc151_f)                                                 | 幾何, 二分探索                          |\n| abc264                         | [E - Blackout 2](https://atcoder.jp/contests/abc264/tasks/abc264_e)                                                  | Union Find                              |\n| abc183                         | [F - Confluence](https://atcoder.jp/contests/abc183/tasks/abc183_f)                                                  | Union Find                              |\n| abc087                         | [D - People on a Line](https://atcoder.jp/contests/abc087/tasks/arc090_b)                                            | 重み付き Union-Find                     |\n| abc280                         | [F - Pay or Receive](https://atcoder.jp/contests/abc280/tasks/abc280_f)                                              | 重み付き Union-Find                     |\n| abc190                         | [F - Shift and Inversions](https://atcoder.jp/contests/abc190/tasks/abc190_f)                                        | Binary Indexed Tree                     |\n| tessoku-book                   | [A67 - MST (Minimum Spanning Tree)](https://atcoder.jp/contests/tessoku-book/tasks/tessoku_book_bo)                  | Minimum Spanning Tree, Union-Find       |\n| tessoku-book                   | [B67 - Max MST](https://atcoder.jp/contests/tessoku-book/tasks/tessoku_book_en)                                      | Minimum Spanning Tree, Union-Find       |\n| abc065                         | [D - Built?](https://atcoder.jp/contests/abc065/tasks/arc076_b)                                                      | Minimum Spanning Tree, Union-Find       |\n| iroha2019-day2                 | [D - 楽しすぎる家庭菜園](https://atcoder.jp/contests/iroha2019-day2/tasks/iroha2019_day2_d)                        | Minimum Spanning Tree, Union-Find       |\n| typical90                      | [060 - Chimera（★5）](https://atcoder.jp/contests/typical90/tasks/typical90_bh)                                      | LIS                                     |\n| chokudai_S001                  | [H - LIS](https://atcoder.jp/contests/chokudai_S001/tasks/chokudai_S001_h)                                           | LIS                                     |\n| abc134                         | [E - Sequence Decomposing](https://atcoder.jp/contests/abc134/tasks/abc134_e)                                        | LIS                                     |\n| chokudai_S002                  | [L - 長方形 β](https://atcoder.jp/contests/chokudai_S002/tasks/chokudai_S002_l)                                      | LIS                                     |\n| abc061                         | [D - Score Attack](https://atcoder.jp/contests/abc061/tasks/abc061_d)                                                | Bellman-Ford                            |\n| ttpc2015                       | [N - 何かグラフの問題](https://atcoder.jp/contests/ttpc2015/tasks/ttpc2015_n)                                      | Bellman-Ford                            |\n| abc137                         | [E - Coins Respawn](https://atcoder.jp/contests/abc137/tasks/abc137_e)                                               | Bellman-Ford                            |\n| abc051                         | [D - Candidates of No Shortest Paths](https://atcoder.jp/contests/abc051/tasks/abc051_d)                             | Floyd-Warshall                          |\n| joi2008yo                      | [F - 船旅](https://atcoder.jp/contests/joi2008yo/tasks/joi2008yo_f)                                                  | Dijkstra                                |\n| abc035                         | [D - トレジャーハント](https://atcoder.jp/contests/abc035/tasks/abc035_d)                                          | Dijkstra                                |\n| abc095                         | [C - Half and Half](https://atcoder.jp/contests/abc095/tasks/arc096_a)                                               | 全探索                                  |\n| abc122                         | [B - ATCoder](https://atcoder.jp/contests/abc122/tasks/abc122_b)                                                     | 全探索                                  |\n| pakencamp-2019-day3            | [C - カラオケ](https://atcoder.jp/contests/pakencamp-2019-day3/tasks/pakencamp_2019_day3_c)                          | 全探索                                  |\n| sumitrust2019                  | [D - Lucky PIN](https://atcoder.jp/contests/sumitrust2019/tasks/sumitb2019_d)                                        | 全探索                                  |\n| s8pc-6                         | [B - AtCoder Market](https://atcoder.jp/contests/s8pc-6/tasks/s8pc_6_b)                                              | 全探索                                  |\n| joi2008yo                      | [D - 星座探し](https://atcoder.jp/contests/joi2008yo/tasks/joi2008yo_d)                                              | 全探索                                  |\n| abc128                         | [C - Switches](https://atcoder.jp/contests/abc128/tasks/abc128_c)                                                    | bit 全探索                              |\n| abc002                         | [D - 派閥](https://atcoder.jp/contests/abc002/tasks/abc002_4)                                                        | bit 全探索                              |\n| joi2008yo                      | [E - おせんべい](https://atcoder.jp/contests/joi2008yo/tasks/joi2008yo_e)                                          | bit 全探索                              |\n| s8pc-4                         | [B - Buildings are Colorful!](https://atcoder.jp/contests/s8pc-4/tasks/s8pc_4_b)                                     | bit 全探索                              |\n| abc145                         | [C - Average Length](https://atcoder.jp/contests/abc145/tasks/abc145_c)                                              | 順列全探索                              |\n| abc150                         | [C - Count Order](https://atcoder.jp/contests/abc150/tasks/abc150_c)                                                 | 順列全探索                              |\n| joi2009ho                      | [B - ピザ](https://atcoder.jp/contests/joi2009ho/tasks/joi2009ho_b)                                              | 二分探索                                |\n| abc023                         | [D - 射撃王](https://atcoder.jp/contests/abc023/tasks/abc023_d)                                                      | 二分探索                                |\n| joi2009yo                      | [D - 薄氷渡り](https://atcoder.jp/contests/joi2009yo/tasks/joi2009yo_d)                                              | DFS                                     |\n| joi2011yo                      | [E - チーズ (Cheese)](https://atcoder.jp/contests/joi2011yo/tasks/joi2011yo_e)                                     | BFS                                     |\n| joi2012yo                      | [E - イルミネーション (Illumination)](https://atcoder.jp/contests/joi2012yo/tasks/joi2012yo_e)                       | BFS                                     |\n| joi2011yo                      | [D - 1 年生 (A First Grader)](https://atcoder.jp/contests/joi2011yo/tasks/joi2011yo_d)                               | DP                                      |\n| joi2012yo                      | [D - パスタ (Pasta)](https://atcoder.jp/contests/joi2012yo/tasks/joi2012yo_d)                                      | DP                                      |\n| joi2013yo                      | [D - 暑い日々 (Hot days)](https://atcoder.jp/contests/joi2013yo/tasks/joi2013yo_d)                                   | DP                                      |\n| joi2015yo                      | [D - シルクロード (Silk Road)](https://atcoder.jp/contests/joi2015yo/tasks/joi2015yo_d)                            | DP                                      |\n| pakencamp-2019-day3            | [D - パ研軍旗](https://atcoder.jp/contests/pakencamp-2019-day3/tasks/pakencamp_2019_day3_d)                        | DP                                      |\n| dp                             | [L - Deque](https://atcoder.jp/contests/dp/tasks/dp_l)                                                               | DP                                      |\n| dp                             | [N - Slimes](https://atcoder.jp/contests/dp/tasks/dp_n)                                                              | DP                                      |\n| joi2015ho                      | [B - ケーキの切り分け２ (Cake 2)](https://atcoder.jp/contests/joi2015ho/tasks/joi2015ho_b)                           | DP                                      |\n| tdpc                           | [I - イウィ](https://atcoder.jp/contests/tdpc/tasks/tdpc_iwi)                                                        | DP                                      |\n| typical-algorithm              | [A - 二分探索の練習問題](https://atcoder.jp/contests/typical-algorithm/tasks/typical_algorithm_a)                    | 二分探索                                |\n| typical-algorithm              | [D - 単一始点最短経路問題](https://atcoder.jp/contests/typical-algorithm/tasks/typical_algorithm_d)                  | Dijkstra                                |\n| typical-algorithm              | [E - 全点対最短経路問題](https://atcoder.jp/contests/typical-algorithm/tasks/typical_algorithm_e)                    | Floyd-Warshall                          |\n| typical-algorithm              | [F - 最小全域木問題](https://atcoder.jp/contests/typical-algorithm/tasks/typical_algorithm_f)                        | Minimum Spanning Tree, Union-Find       |\n| typical-algorithm              | [C - 巡回セールスマン問題](https://atcoder.jp/contests/typical-algorithm/tasks/typical_algorithm_c)                  | DP                                      |\n| abc180                         | [E - Traveling Salesman among Aerial Cities](https://atcoder.jp/contests/abc180/tasks/abc180_e)                      | DP                                      |\n| s8pc-1                         | [G - Revenge of Traveling Salesman Problem](https://atcoder.jp/contests/s8pc-1/tasks/s8pc_1_g)                       | DP                                      |\n| joi2014yo                      | [D - 部活のスケジュール表 (Schedule)](https://atcoder.jp/contests/joi2014yo/tasks/joi2014yo_d)                     | DP                                      |\n| dp                             | [O - Matching](https://atcoder.jp/contests/dp/tasks/dp_o)                                                            | DP                                      |\n| abc215                         | [E - Chain Contestant](https://atcoder.jp/contests/abc215/tasks/abc215_e)                                            | DP                                      |\n| abc018                         | [D - バレンタインデー](https://atcoder.jp/contests/abc018/tasks/abc018_4)                                        | 半分全列挙                              |\n| abc147                         | [C - HonestOrUnkind2](https://atcoder.jp/contests/abc147/tasks/abc147_c)                                             | bit 全探索                              |\n| dp                             | [U - Grouping](https://atcoder.jp/contests/dp/tasks/dp_u)                                                            | DP, bit 全探索                          |\n| arc016                         | [C - ソーシャルゲーム](https://atcoder.jp/contests/arc016/tasks/arc016_3)                                          | DP                                      |\n| abc062                         | [C - Chocolate Bar](https://atcoder.jp/contests/abc062/tasks/arc074_a)                                               | 全探索                                  |\n| abc032                         | [D - ナップサック問題](https://atcoder.jp/contests/abc032/tasks/abc032_d)                                          | DP, bit 全探索, 半分全列挙              |\n| arc017                         | [C - 無駄なものが嫌いな人](https://atcoder.jp/contests/arc017/tasks/arc017_3)                                      | bit 全探索, 半分全列挙                  |\n| agc026                         | [C - String Coloring](https://atcoder.jp/contests/agc026/tasks/agc026_c)                                             | bit 全探索, 半分全列挙                  |\n| abc054                         | [D - Mixing Experiment](https://atcoder.jp/contests/abc054/tasks/abc054_d)                                           | bit 全探索, 半分全列挙                  |\n| abc184                         | [F - Programming Contest](https://atcoder.jp/contests/abc184/tasks/abc184_f)                                         | bit 全探索, 半分全列挙                  |\n| joi2017yo                      | [D - ぬいぐるみの整理 (Plush Toys)](https://atcoder.jp/contests/joi2017yo/tasks/joi2017yo_d)                       | DP                                      |\n| abc006                         | [D - トランプ挿入ソート](https://atcoder.jp/contests/abc006/tasks/abc006_4)                                        | LIS                                     |\n| joi2016yo                      | [E - ゾンビ島 (Zombie Island)](https://atcoder.jp/contests/joi2016yo/tasks/joi2016yo_e)                          | Dijkstra, BFS                           |\n| joi2014yo                      | [E - タクシー (Taxis)](https://atcoder.jp/contests/joi2014yo/tasks/joi2014yo_e)                                      | Dijkstra, BFS                           |\n| s8pc-1                         | [E - 散歩 (E869120 and Path Length)](https://atcoder.jp/contests/s8pc-1/tasks/s8pc_1_e)                              | べき乗                                  |\n| abc145                         | [D - Knight](https://atcoder.jp/contests/abc145/tasks/abc145_d)                                                      | 割り算                                  |\n| joi2011ho                      | [A - 惑星探査 (Planetary Exploration)](https://atcoder.jp/contests/joi2011ho/tasks/joi2011ho1)                       | 累積和                                  |\n| abc106                         | [D - AtCoder Express 2](https://atcoder.jp/contests/abc106/tasks/abc106_d)                                           | 累積和                                  |\n| gigacode-2019                  | [D - 家の建設](https://atcoder.jp/contests/gigacode-2019/tasks/gigacode_2019_d)                                      | 累積和                                  |\n| joi2015ho                      | [A - 鉄道旅行 (Railroad Trip)](https://atcoder.jp/contests/joi2015ho/tasks/joi2015ho_a)                              | 累積和, いもす法                        |\n| joi2013ho                      | [1 - 電飾 (Illumination)](https://atcoder.jp/contests/joi2013ho/tasks/joi2013ho1)                                    | Misc                                    |\n| s8pc-5                         | [B - Emblem](https://atcoder.jp/contests/s8pc-5/tasks/s8pc_5_b)                                                      | Misc                                    |\n| s8pc-3                         | [B - 石落としゲーム](https://atcoder.jp/contests/s8pc-3/tasks/s8pc_3_b)                                            | Misc                                    |\n| abc149                         | [B - Greedy Takahashi](https://atcoder.jp/contests/abc149/tasks/abc149_b)                                            | Greedy                                  |\n| abc139                         | [D - ModSum](https://atcoder.jp/contests/abc139/tasks/abc139_d)                                                      | Misc                                    |\n| abc150                         | [D - Semi Common Multiple](https://atcoder.jp/contests/abc150/tasks/abc150_d)                                        | 最小公倍数                              |\n| sumitrust2019                  | [E - Colorful Hats 2](https://atcoder.jp/contests/sumitrust2019/tasks/sumitb2019_e)                                  | Misc                                    |\n| ddcc2020-qual                  | [D - Digit Sum Replace](https://atcoder.jp/contests/ddcc2020-qual/tasks/ddcc2020_qual_d)                             | Misc                                    |\n| tenka1-2018-beginner           | [D - Crossing](https://atcoder.jp/contests/tenka1-2018-beginner/tasks/tenka1_2018_d)                                 | Misc                                    |\n| abc139                         | [E - League](https://atcoder.jp/contests/abc139/tasks/abc139_e)                                                      | Topological Sort                        |\n| abc031                         | [D - 語呂合わせ](https://atcoder.jp/contests/abc031/tasks/abc031_d)                                                  | 全探索                                  |\n| abc039                         | [D - 画像処理高橋君](https://atcoder.jp/contests/abc039/tasks/abc039_d)                                              | 全探索                                  |\n| abc075                         | [D - Axis-Parallel Rectangle](https://atcoder.jp/contests/abc075/tasks/abc075_d)                                     | 全探索                                  |\n| abc004                         | [D - マーブル](https://atcoder.jp/contests/abc004/tasks/abc004_4)                                                  | 全探索                                  |\n| abc008                         | [D - 金塊ゲーム](https://atcoder.jp/contests/abc008/tasks/abc008_4)                                                | DP                                      |\n| abc015                         | [D - 高橋くんの苦悩](https://atcoder.jp/contests/abc015/tasks/abc015_4)                                              | DP                                      |\n| abc037                         | [D - 経路](https://atcoder.jp/contests/abc037/tasks/abc037_d)                                                        | DP                                      |\n| abc056                         | [D - No Need](https://atcoder.jp/contests/abc056/tasks/arc070_b)                                                     | DP, 二分探索                            |\n| abc060                         | [D - Simple Knapsack](https://atcoder.jp/contests/abc060/tasks/arc073_b)                                             | DP                                      |\n| abc007                         | [D - 禁止された数字](https://atcoder.jp/contests/abc007/tasks/abc007_4)                                              | 桁 DP                                   |\n| abc029                         | [D - 1](https://atcoder.jp/contests/abc029/tasks/abc029_d)                                                           | 桁 DP                                   |\n| abc036                         | [D - 塗り絵](https://atcoder.jp/contests/abc036/tasks/abc036_d)                                                      | 木 DP                                   |\n| abc041                         | [D - 徒競走](https://atcoder.jp/contests/abc041/tasks/abc041_d)                                                      | DP                                      |\n| abc009                         | [D - 漸化式](https://atcoder.jp/contests/abc009/tasks/abc009_4)                                                      | 行列累乗, 半環                          |\n| abc011                         | [D - 大ジャンプ](https://atcoder.jp/contests/abc011/tasks/abc011_4)                                              | 確率 DP                                 |\n| abc024                         | [D - 動的計画法](https://atcoder.jp/contests/abc024/tasks/abc024_d)                                                  | 数学                                    |\n| abc028                         | [D - 乱数生成](https://atcoder.jp/contests/abc028/tasks/abc028_d)                                                    | 数学                                    |\n| abc057                         | [D - Maximum Average Sets](https://atcoder.jp/contests/abc057/tasks/abc057_d)                                        | 数学                                    |\n| abc026                         | [D - 高橋君ボール 1 号](https://atcoder.jp/contests/abc026/tasks/abc026_d)                                         | 二分探索                                |\n| abc034                         | [D - 食塩水](https://atcoder.jp/contests/abc034/tasks/abc034_d)                                                      | 二分探索                                |\n| abc040                         | [D - 道路の老朽化対策について](https://atcoder.jp/contests/abc040/tasks/abc040_d)                                    | Union Find                              |\n| abc013                         | [D - 阿弥陀](https://atcoder.jp/contests/abc013/tasks/abc013_4)                                                      | Doubling                                |\n| abc016                         | [D - 一刀両断](https://atcoder.jp/contests/abc016/tasks/abc016_4)                                                    | 幾何                                    |\n| abc022                         | [D - Big Bang](https://atcoder.jp/contests/abc022/tasks/abc022_d)                                                    | 幾何                                    |\n| abc027                         | [D - ロボット](https://atcoder.jp/contests/abc027/tasks/abc027_d)                                                  | Misc                                    |\n| abc062                         | [D - 3N Numbers](https://atcoder.jp/contests/abc062/tasks/arc074_b)                                                  | Heap                                    |\n| abc064                         | [D - Insertion](https://atcoder.jp/contests/abc064/tasks/abc064_d)                                                   | Misc                                    |\n| abc030                         | [D - へんてこ辞書](https://atcoder.jp/contests/abc030/tasks/abc030_d)                                                | Misc                                    |\n| practice2                      | [D - Maxflow](https://atcoder.jp/contests/practice2/tasks/practice2_d)                                               | Max Flow                                |\n| abc010                         | [D - 浮気予防](https://atcoder.jp/contests/abc010/tasks/abc010_4)                                                    | Max Flow                                |\n| sumitrust2019                  | [B - Tax Rate](https://atcoder.jp/contests/sumitrust2019/tasks/sumitb2019_b)                                         | Misc                                    |\n| m-solutions2020                | [B - Magic 2](https://atcoder.jp/contests/m-solutions2020/tasks/m_solutions2020_b)                                   | 全探索                                  |\n| abc105                         | [B - Cakes and Donuts](https://atcoder.jp/contests/abc105/tasks/abc105_b)                                            | 全探索                                  |\n| abc157                         | [C - Guess The Number](https://atcoder.jp/contests/abc157/tasks/abc157_c)                                            | 全探索                                  |\n| abc106                         | [B - 105](https://atcoder.jp/contests/abc106/tasks/abc106_b)                                                         | 全探索                                  |\n| abc136                         | [B - Uneven Numbers](https://atcoder.jp/contests/abc136/tasks/abc136_b)                                              | 全探索                                  |\n| abc068                         | [B - Break Number](https://atcoder.jp/contests/abc068/tasks/abc068_b)                                                | 全探索                                  |\n| abc133                         | [B - Good Distance](https://atcoder.jp/contests/abc133/tasks/abc133_b)                                               | 全探索                                  |\n| abc112                         | [C - Pyramid](https://atcoder.jp/contests/abc112/tasks/abc112_c)                                                     | 全探索                                  |\n| abc057                         | [C - Digits in Multiplication](https://atcoder.jp/contests/abc057/tasks/abc057_c)                                    | 全探索                                  |\n| sumitrust2019                  | [C - 100 to 105](https://atcoder.jp/contests/sumitrust2019/tasks/sumitb2019_c)                                       | 全探索                                  |\n| abc089                         | [C - March](https://atcoder.jp/contests/abc089/tasks/abc089_c)                                                       | 全探索                                  |\n| abc167                         | [C - Skill Up](https://atcoder.jp/contests/abc167/tasks/abc167_c)                                                    | bit 全探索                              |\n| abc054                         | [C - One-stroke Path](https://atcoder.jp/contests/abc054/tasks/abc054_c)                                             | DFS                                     |\n| abc165                         | [C - Many Requirements](https://atcoder.jp/contests/abc165/tasks/abc165_c)                                           | DFS                                     |\n| cpsco2019-s1                   | [C - Coins](https://atcoder.jp/contests/cpsco2019-s1/tasks/cpsco2019_s1_c)                                           | DFS                                     |\n| panasonic2020                  | [D - String Equivalence](https://atcoder.jp/contests/panasonic2020/tasks/panasonic2020_d)                            | DFS                                     |\n| m-solutions2020                | [E - M's Solution](https://atcoder.jp/contests/m-solutions2020/tasks/m_solutions2020_e)                              | bit 全探索                              |\n| wupc2019                       | [F - RPG](https://atcoder.jp/contests/wupc2019/tasks/wupc2019_f)                                                     | Max Flow                                |\n| ddcc2019-final                 | [D - DISCO!](https://atcoder.jp/contests/ddcc2019-final/tasks/ddcc2019_final_d)                                      | Segment Tree, 半環                      |\n| code-thanks-festival-2017-open | [H - Union Sets](https://atcoder.jp/contests/code-thanks-festival-2017-open/tasks/code_thanks_festival_2017_h)       | 並列二分探索                            |\n| tokiomarine2020                | [E - O(rand)](https://atcoder.jp/contests/tokiomarine2020/tasks/tokiomarine2020_e)                                   | 包除原理                                |\n| dp                             | [V - Subtree](https://atcoder.jp/contests/dp/tasks/dp_v)                                                             | 全方位木 DP                             |\n| njpc2017                       | [E - 限界集落](https://atcoder.jp/contests/njpc2017/tasks/njpc2017_e)                                                | 全方位木 DP                             |\n| s8pc-4                         | [D - Driving on a Tree](https://atcoder.jp/contests/s8pc-4/tasks/s8pc_4_d)                                           | 全方位木 DP                             |\n| arc029                         | [D - 高橋君と木のおもちゃ](https://atcoder.jp/contests/arc029/tasks/arc029_4)                                        | 2 乗の木 DP                             |\n| aising2019                     | [E - Attack to a Tree](https://atcoder.jp/contests/aising2019/tasks/aising2019_e)                                    | 2 乗の木 DP                             |\n| discovery2016-final            | [C - 特別講演「括弧列と塗り分け」](https://atcoder.jp/contests/discovery2016-final/tasks/discovery_2016_final_c)     | 2 乗の木 DP                             |\n| arc101                         | [E - Ribbons on Tree](https://atcoder.jp/contests/arc101/tasks/arc101_c)                                             | 2 乗の木 DP, 包除原理                   |\n| arc085                         | [E - MUL](https://atcoder.jp/contests/arc085/tasks/arc085_c)                                                         | Max Flow                                |\n| tenka1-2015-quala              | [C - 天下一美術館](https://atcoder.jp/contests/tenka1-2015-quala/tasks/tenka1_2015_qualA_c)                          | Max Flow                                |\n| ttpc2015                       | [L - グラフ色ぬり](https://atcoder.jp/contests/ttpc2015/tasks/ttpc2015_l)                                          | Max Flow                                |\n| abc011                         | [C - 123 引き算](https://atcoder.jp/contests/abc011/tasks/abc011_3)                                                  | DP                                      |\n| abc021                         | [C - 正直者の高橋くん](https://atcoder.jp/contests/abc021/tasks/abc021_c)                                            | DFS                                     |\n| abc040                         | [C - 柱柱柱柱柱](https://atcoder.jp/contests/abc040/tasks/abc040_c)                                                  | DP                                      |\n| abc044                         | [C - 高橋君とカード](https://atcoder.jp/contests/abc044/tasks/arc060_a)                                            | DP                                      |\n| abc087                         | [C - Candies](https://atcoder.jp/contests/abc087/tasks/arc090_a)                                                     | DP                                      |\n| abc099                         | [C - Strange Bank](https://atcoder.jp/contests/abc099/tasks/abc099_c)                                                | DP                                      |\n| abc122                         | [D - We Like AGC](https://atcoder.jp/contests/abc122/tasks/abc122_d)                                                 | DP                                      |\n| abc129                         | [C - Typical Stairs](https://atcoder.jp/contests/abc129/tasks/abc129_c)                                              | DP                                      |\n| abc135                         | [D - Digits Parade](https://atcoder.jp/contests/abc135/tasks/abc135_d)                                               | DP                                      |\n| abc141                         | [E - Who Says a Pun?](https://atcoder.jp/contests/abc141/tasks/abc141_e)                                             | DP                                      |\n| abc142                         | [E - Get Everything](https://atcoder.jp/contests/abc142/tasks/abc142_e)                                              | DP                                      |\n| abc145                         | [E - All-you-can-eat](https://atcoder.jp/contests/abc145/tasks/abc145_e)                                             | DP                                      |\n| abc153                         | [E - Crested Ibis vs Monster](https://atcoder.jp/contests/abc153/tasks/abc153_e)                                     | DP                                      |\n| abc154                         | [E - Almost Everywhere Zero](https://atcoder.jp/contests/abc154/tasks/abc154_e)                                      | 桁 DP                                   |\n| abc175                         | [E - Picking Goods](https://atcoder.jp/contests/abc175/tasks/abc175_e)                                               | DP                                      |\n| abc184                         | [D - increment of coins](https://atcoder.jp/contests/abc184/tasks/abc184_d)                                          | DP                                      |\n| abc188                         | [F - +1-1x2](https://atcoder.jp/contests/abc188/tasks/abc188_f)                                                      | DP                                      |\n| abc195                         | [E - Lucky 7 Battle](https://atcoder.jp/contests/abc195/tasks/abc195_e)                                              | DP                                      |\n| abc201                         | [D - Game in Momotetsu World](https://atcoder.jp/contests/abc201/tasks/abc201_d)                                     | minimax                                 |\n| abc210                         | [D - National Railway](https://atcoder.jp/contests/abc210/tasks/abc210_d)                                            | DP                                      |\n| arc002                         | [C - コマンド入力](https://atcoder.jp/contests/arc002/tasks/arc002_3)                                              | DP                                      |\n| arc042                         | [C - おやつ](https://atcoder.jp/contests/arc042/tasks/arc042_c)                                                      | DP                                      |\n| agc044                         | [A - Pay to Win](https://atcoder.jp/contests/agc044/tasks/agc044_a)                                                  | DP                                      |\n| past201912-open                | [I - 部品調達](https://atcoder.jp/contests/past201912-open/tasks/past201912_i)                                       | DP                                      |\n| past202004-open                | [H - 1-9 Grid](https://atcoder.jp/contests/past202004-open/tasks/past202004_h)                                       | DP                                      |\n| past202005-open                | [H - ハードル走](https://atcoder.jp/contests/past202005-open/tasks/past202005_h)                                   | DP                                      |\n| abc037                         | [C - 総和](https://atcoder.jp/contests/abc037/tasks/abc037_c)                                                        | 累積和                                  |\n| abc089                         | [D - Practical Skill Test](https://atcoder.jp/contests/abc089/tasks/abc089_d)                                        | 累積和                                  |\n| abc095                         | [D - Static Sushi](https://atcoder.jp/contests/abc095/tasks/arc096_b)                                                | 累積和                                  |\n| abc098                         | [C - Attention](https://atcoder.jp/contests/abc098/tasks/arc098_a)                                                   | 累積和                                  |\n| abc104                         | [D - We Love ABC](https://atcoder.jp/contests/abc104/tasks/abc104_d)                                                 | 累積和                                  |\n| abc124                         | [D - Handstand](https://atcoder.jp/contests/abc124/tasks/abc124_d)                                                   | 累積和, しゃくとり法                    |\n| abc129                         | [D - Lamp](https://atcoder.jp/contests/abc129/tasks/abc129_d)                                                        | 累積和                                  |\n| abc149                         | [E - Handshake](https://atcoder.jp/contests/abc149/tasks/abc149_e)                                                   | 累積和, 二分探索                        |\n| abc162                         | [D - RGB Triplets](https://atcoder.jp/contests/abc162/tasks/abc162_d)                                                | 累積和                                  |\n| abc172                         | [C - Tsundoku](https://atcoder.jp/contests/abc172/tasks/abc172_c)                                                    | 累積和, 二分探索, しゃくとり法          |\n| abc177                         | [C - Sum of product of pairs](https://atcoder.jp/contests/abc177/tasks/abc177_c)                                     | 累積和                                  |\n| abc181                         | [E - Transformable Teacher](https://atcoder.jp/contests/abc181/tasks/abc181_e)                                       | 累積和, しゃくとり法                    |\n| abc182                         | [D - Wandering](https://atcoder.jp/contests/abc182/tasks/abc182_d)                                                   | 累積和                                  |\n| arc025                         | [B - チョコレート](https://atcoder.jp/contests/arc025/tasks/arc025_2)                                                | 累積和                                  |\n| arc104                         | [B - DNA Sequence](https://atcoder.jp/contests/arc104/tasks/arc104_b)                                                | 累積和                                  |\n| agc015                         | [B - Evilator](https://atcoder.jp/contests/agc015/tasks/agc015_b)                                                    | Misc                                    |\n| abc017                         | [C - ハイスコア](https://atcoder.jp/contests/abc017/tasks/abc017_3)                                                  | いもす法                                |\n| abc024                         | [B - 自動ドア](https://atcoder.jp/contests/abc024/tasks/abc024_b)                                                  | いもす法                                |\n| abc141                         | [C - Attack Survival](https://atcoder.jp/contests/abc141/tasks/abc141_c)                                             | いもす法                                |\n| abc183                         | [D - Water Heater](https://atcoder.jp/contests/abc183/tasks/abc183_d)                                                | いもす法                                |\n| abc188                         | [D - Snuke Prime](https://atcoder.jp/contests/abc188/tasks/abc188_d)                                                 | いもす法                                |\n| abc210                         | [C - Colorful Candies](https://atcoder.jp/contests/abc210/tasks/abc210_c)                                            | Sliding Window                          |\n| abc126                         | [E - 1 or 2](https://atcoder.jp/contests/abc126/tasks/abc126_e)                                                      | Union Find                              |\n| abc189                         | [C - Mandarin Orange](https://atcoder.jp/contests/abc189/tasks/abc189_c)                                             | Misc                                    |\n| abc214                         | [D - Sum of Maximum Weights](https://atcoder.jp/contests/abc214/tasks/abc214_d)                                      | Union Find                              |\n| arc111                         | [B - Reversible Cards](https://atcoder.jp/contests/arc111/tasks/arc111_b)                                            | Union Find                              |\n| atc001                         | [A - 深さ優先探索](https://atcoder.jp/contests/atc001/tasks/dfs_a)                                                   | DFS                                     |\n| abc070                         | [D - Transit Tree Path](https://atcoder.jp/contests/abc070/tasks/abc070_d)                                           | DFS                                     |\n| abc126                         | [D - Even Relation](https://atcoder.jp/contests/abc126/tasks/abc126_d)                                               | DFS                                     |\n| abc146                         | [D - Coloring Edges on Tree](https://atcoder.jp/contests/abc146/tasks/abc146_d)                                      | DFS                                     |\n| abc148                         | [F - Playing Tag on Tree](https://atcoder.jp/contests/abc148/tasks/abc148_f)                                         | DFS                                     |\n| abc198                         | [E - Unique Color](https://atcoder.jp/contests/abc198/tasks/abc198_e)                                                | DFS                                     |\n| arc022                         | [C - ロミオとジュリエット](https://atcoder.jp/contests/arc022/tasks/arc022_3)                                      | DFS                                     |\n| arc030                         | [B - ツリーグラフ](https://atcoder.jp/contests/arc030/tasks/arc030_2)                                              | DFS                                     |\n| abc020                         | [C - 壁抜け](https://atcoder.jp/contests/abc020/tasks/abc020_c)                                                      | BFS, 二分探索                           |\n| abc151                         | [D - Maze Master](https://atcoder.jp/contests/abc151/tasks/abc151_d)                                                 | BFS                                     |\n| abc168                         | [D - .. (Double Dots)](https://atcoder.jp/contests/abc168/tasks/abc168_d)                                            | BFS                                     |\n| abc184                         | [E - Third Avenue](https://atcoder.jp/contests/abc184/tasks/abc184_e)                                                | BFS                                     |\n| abc185                         | [E - Sequence Matching](https://atcoder.jp/contests/abc185/tasks/abc185_e)                                           | DP                                      |\n| abc187                         | [E - Through Path](https://atcoder.jp/contests/abc187/tasks/abc187_e)                                                | DFS, いもす法                           |\n| abc213                         | [E - Stronger Takahashi](https://atcoder.jp/contests/abc213/tasks/abc213_e)                                          | BFS                                     |\n| arc011                         | [C - ダブレット](https://atcoder.jp/contests/arc011/tasks/arc011_3)                                              | BFS                                     |\n| arc003                         | [C - 暗闇帰り道](https://atcoder.jp/contests/arc003/tasks/arc003_3)                                                  | BFS                                     |\n| arc109                         | [A - Hands](https://atcoder.jp/contests/arc109/tasks/arc109_a)                                                       | BFS                                     |\n| agc033                         | [A - Darker and Darker](https://atcoder.jp/contests/agc033/tasks/agc033_a)                                           | BFS                                     |\n| agc043                         | [A - Range Flip Find Route](https://atcoder.jp/contests/agc043/tasks/agc043_a)                                       | DP                                      |\n| past202005-open                | [G - グリッド金移動](https://atcoder.jp/contests/past202005-open/tasks/past202005_g)                             | BFS                                     |\n| abc191                         | [E - Come Back Quickly](https://atcoder.jp/contests/abc191/tasks/abc191_e)                                           | Dijkstra                                |\n| abc192                         | [E - Train](https://atcoder.jp/contests/abc192/tasks/abc192_e)                                                       | Dijkstra                                |\n| past201912-open                | [J - 地ならし](https://atcoder.jp/contests/past201912-open/tasks/past201912_j)                                       | Dijkstra                                |\n| past201912-open                | [K - 巨大企業](https://atcoder.jp/contests/past201912-open/tasks/past201912_k)                                       | Euler Tour                              |\n| abc163                         | [F - path pass i](https://atcoder.jp/contests/abc163/tasks/abc163_f)                                                 | DFS                                     |\n| abc030                         | [C - 飛行機乗り](https://atcoder.jp/contests/abc030/tasks/abc030_c)                                                  | 二分探索                                |\n| abc119                         | [D - Lazy Faith](https://atcoder.jp/contests/abc119/tasks/abc119_d)                                                  | 二分探索                                |\n| abc128                         | [E - Roadwork](https://atcoder.jp/contests/abc128/tasks/abc128_e)                                                    | Misc                                    |\n| abc143                         | [D - Triangles](https://atcoder.jp/contests/abc143/tasks/abc143_d)                                                   | 二分探索                                |\n| abc144                         | [E - Gluttony](https://atcoder.jp/contests/abc144/tasks/abc144_e)                                                    | 二分探索                                |\n| abc146                         | [C - Buy an Integer](https://atcoder.jp/contests/abc146/tasks/abc146_c)                                              | 二分探索                                |\n| abc174                         | [E - Logs](https://atcoder.jp/contests/abc174/tasks/abc174_e)                                                        | 二分探索                                |\n| abc192                         | [D - Base n](https://atcoder.jp/contests/abc192/tasks/abc192_d)                                                      | 二分探索                                |\n| abc205                         | [D - Kth Excluded](https://atcoder.jp/contests/abc205/tasks/abc205_d)                                                | 二分探索                                |\n| abc212                         | [C - Min Difference](https://atcoder.jp/contests/abc212/tasks/abc212_c)                                              | 二分探索                                |\n| arc004                         | [C - 平均値太郎の憂鬱 ( The melancholy of Taro Heikinchi )](https://atcoder.jp/contests/arc004/tasks/arc004_3)       | 数学                                    |\n| arc037                         | [C - 億マス計算](https://atcoder.jp/contests/arc037/tasks/arc037_c)                                                  | 二分探索                                |\n| arc050                         | [B - 花束](https://atcoder.jp/contests/arc050/tasks/arc050_b)                                                        | 二分探索                                |\n| arc109                         | [B - log](https://atcoder.jp/contests/arc109/tasks/arc109_b)                                                         | 二分探索                                |\n| abc080                         | [C - Shopping Street](https://atcoder.jp/contests/abc080/tasks/abc080_c)                                             | bit 全探索                              |\n| abc173                         | [C - H and V](https://atcoder.jp/contests/abc173/tasks/abc173_c)                                                     | bit 全探索                              |\n| abc190                         | [C - Bowls and Dishes](https://atcoder.jp/contests/abc190/tasks/abc190_c)                                            | bit 全探索                              |\n| past201912-open                | [G - 組分け](https://atcoder.jp/contests/past201912-open/tasks/past201912_g)                                         | bit 全探索                              |\n| arc107                         | [B - Quadruple](https://atcoder.jp/contests/arc107/tasks/arc107_b)                                                   | Misc                                    |\n| abc016                         | [C - 友達の友達](https://atcoder.jp/contests/abc016/tasks/abc016_3)                                                  | Floyd-Warshall                          |\n| abc143                         | [E - Travel by Car](https://atcoder.jp/contests/abc143/tasks/abc143_e)                                               | Floyd-Warshall                          |\n| arc001                         | [B - リモコン](https://atcoder.jp/contests/arc001/tasks/arc001_2)                                                    | BFS                                     |\n| abc123                         | [D - Cake 123](https://atcoder.jp/contests/abc123/tasks/abc123_d)                                                    | Heap                                    |\n| abc137                         | [D - Summer Vacation](https://atcoder.jp/contests/abc137/tasks/abc137_d)                                             | Heap                                    |\n| abc141                         | [D - Powerful Discount Tickets](https://atcoder.jp/contests/abc141/tasks/abc141_d)                                   | Heap                                    |\n| past202004-open                | [F - タスクの消化](https://atcoder.jp/contests/past202004-open/tasks/past202004_f)                                   | Heap                                    |\n| past202004-open                | [L - 辞書順最小](https://atcoder.jp/contests/past202004-open/tasks/past202004_l)                                     | Heap                                    |\n| abc052                         | [C - Factors of Factorial](https://atcoder.jp/contests/abc052/tasks/arc067_a)                                        | 素因数分解                              |\n| abc114                         | [D - 756](https://atcoder.jp/contests/abc114/tasks/abc114_d)                                                         | 素因数分解                              |\n| abc142                         | [D - Disjoint Set of Common Divisors](https://atcoder.jp/contests/abc142/tasks/abc142_d)                             | 素因数分解                              |\n| abc152                         | [E - Flatten](https://atcoder.jp/contests/abc152/tasks/abc152_e)                                                     | 素因数分解                              |\n| abc169                         | [D - Div Game](https://atcoder.jp/contests/abc169/tasks/abc169_d)                                                    | 素因数分解                              |\n| abc172                         | [D - Sum of Divisors](https://atcoder.jp/contests/abc172/tasks/abc172_d)                                             | 素因数分解                              |\n| abc177                         | [E - Coprime](https://atcoder.jp/contests/abc177/tasks/abc177_e)                                                     | 素因数分解                              |\n| arc034                         | [C - 約数かつ倍数](https://atcoder.jp/contests/arc034/tasks/arc034_3)                                                | 素因数分解                              |\n| arc026                         | [B - 完全数](https://atcoder.jp/contests/arc026/tasks/arc026_2)                                                      | 約数列挙                                |\n| abc190                         | [D - Staircase Sequences](https://atcoder.jp/contests/abc190/tasks/abc190_d)                                         | 約数列挙                                |\n| arc077                         | [D - 11](https://atcoder.jp/contests/arc077/tasks/arc077_b)                                                          | 組み合わせ                              |\n| abc132                         | [D - Blue and Red Balls](https://atcoder.jp/contests/abc132/tasks/abc132_d)                                          | 組み合わせ                              |\n| abc151                         | [E - Max-Min Sums](https://atcoder.jp/contests/abc151/tasks/abc151_e)                                                | 組み合わせ                              |\n| abc171                         | [F - Strivore](https://atcoder.jp/contests/abc171/tasks/abc171_f)                                                    | 組み合わせ                              |\n| abc178                         | [D - Redistribution](https://atcoder.jp/contests/abc178/tasks/abc178_d)                                              | 組み合わせ                              |\n| arc023                         | [C - タコヤ木](https://atcoder.jp/contests/arc023/tasks/arc023_3)                                                    | 組み合わせ                              |\n| arc039                         | [B - 高橋幼稚園](https://atcoder.jp/contests/arc039/tasks/arc039_b)                                                  | 組み合わせ                              |\n| abc174                         | [F - Range Set Query](https://atcoder.jp/contests/abc174/tasks/abc174_f)                                             | Binary Indexed Tree                     |\n| abc194                         | [E - Mex Min](https://atcoder.jp/contests/abc194/tasks/abc194_e)                                                     | しゃくとり法                            |\n| arc045                         | [B - ドキドキデート大作戦高橋君](https://atcoder.jp/contests/arc045/tasks/arc045_b)                            | 累積和, いもす法                        |\n| arc043                         | [B - 難易度](https://atcoder.jp/contests/arc043/tasks/arc043_b)                                                      | 累積和, 二分探索                        |\n| chokudai_S001                  | [K - 辞書順で何番目？](https://atcoder.jp/contests/chokudai_S001/tasks/chokudai_S001_k)                            | Binary Indexed Tree                     |\n| abc170                         | [E - Smart Infants](https://atcoder.jp/contests/abc170/tasks/abc170_e)                                               | Multiset                                |\n| abc177                         | [F - I hate Shortest Path Problem](https://atcoder.jp/contests/abc177/tasks/abc177_f)                                | Multiset                                |\n| colopl2018-qual                | [C - すぬけそだて――ごはん――](https://atcoder.jp/contests/colopl2018-qual/tasks/colopl2018_qual_c)                | bit 全探索                              |\n| dwacon6th-prelims              | [B - Fusing Slimes](https://atcoder.jp/contests/dwacon6th-prelims/tasks/dwacon6th_prelims_b)                         | 累積和, 逆元                            |\n| abc150                         | [E - Change a Little Bit](https://atcoder.jp/contests/abc150/tasks/abc150_e)                                         | 組み合わせ                              |\n| abc149                         | [F - Surrounded Nodes](https://atcoder.jp/contests/abc149/tasks/abc149_f)                                            | 全方位木 DP, 逆元                       |\n| dwacon6th-prelims              | [C - Cookie Distribution](https://atcoder.jp/contests/dwacon6th-prelims/tasks/dwacon6th_prelims_c)                   | DP, 組み合わせ                          |\n| dp                             | [A - Frog 1](https://atcoder.jp/contests/dp/tasks/dp_a)                                                              | DP                                      |\n| dp                             | [B - Frog 2](https://atcoder.jp/contests/dp/tasks/dp_b)                                                              | DP                                      |\n| dp                             | [C - Vacation](https://atcoder.jp/contests/dp/tasks/dp_c)                                                            | DP                                      |\n| dp                             | [D - Knapsack 1](https://atcoder.jp/contests/dp/tasks/dp_d)                                                          | DP                                      |\n| dp                             | [E - Knapsack 2](https://atcoder.jp/contests/dp/tasks/dp_e)                                                          | DP                                      |\n| dp                             | [F - LCS](https://atcoder.jp/contests/dp/tasks/dp_f)                                                                 | DP                                      |\n| dp                             | [G - Longest Path](https://atcoder.jp/contests/dp/tasks/dp_g)                                                        | DP                                      |\n| dp                             | [H - Grid 1](https://atcoder.jp/contests/dp/tasks/dp_h)                                                              | DP                                      |\n| dp                             | [I - Coins](https://atcoder.jp/contests/dp/tasks/dp_i)                                                               | DP                                      |\n| abc280                         | [E - Critical Hit](https://atcoder.jp/contests/abc280/tasks/abc280_e)                                                | DP                                      |\n| dp                             | [J - Sushi](https://atcoder.jp/contests/dp/tasks/dp_j)                                     ","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fstwind%2Fatcoder","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fstwind%2Fatcoder","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fstwind%2Fatcoder/lists"}