{"id":19825926,"url":"https://github.com/martinkalema/leetcode","last_synced_at":"2026-03-06T04:35:31.807Z","repository":{"id":222741861,"uuid":"758254308","full_name":"MartinKalema/LeetCode","owner":"MartinKalema","description":"Curated List of Top 75 LeetCode Questions.","archived":false,"fork":false,"pushed_at":"2024-02-16T10:52:51.000Z","size":8,"stargazers_count":3,"open_issues_count":0,"forks_count":1,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-02-28T20:47:38.564Z","etag":null,"topics":["dynamic-programming","interview-questions","linked-list","merging","queues","searching","sorting","stacks"],"latest_commit_sha":null,"homepage":"https://leetcode.com/","language":null,"has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"apache-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/MartinKalema.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","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":"2024-02-15T23:27:53.000Z","updated_at":"2024-02-24T21:08:03.000Z","dependencies_parsed_at":"2024-02-16T00:28:47.498Z","dependency_job_id":"aea82852-e228-4e7a-9936-711817f10b91","html_url":"https://github.com/MartinKalema/LeetCode","commit_stats":null,"previous_names":["martinkalema/leetcode-dsa"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/MartinKalema/LeetCode","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MartinKalema%2FLeetCode","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MartinKalema%2FLeetCode/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MartinKalema%2FLeetCode/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MartinKalema%2FLeetCode/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/MartinKalema","download_url":"https://codeload.github.com/MartinKalema/LeetCode/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MartinKalema%2FLeetCode/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":30161868,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-03-06T04:22:03.816Z","status":"ssl_error","status_checked_at":"2026-03-06T04:22:00.183Z","response_time":250,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.5:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"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":["dynamic-programming","interview-questions","linked-list","merging","queues","searching","sorting","stacks"],"created_at":"2024-11-12T11:09:04.115Z","updated_at":"2026-03-06T04:35:31.789Z","avatar_url":"https://github.com/MartinKalema.png","language":null,"funding_links":[],"categories":[],"sub_categories":[],"readme":"## Curated List of Top 75 LeetCode Questions.\nHere's a list of the best LeetCode questions that teach you core concepts and techniques for each category/type of problems! Many other LeetCode questions are a mash of the techniques from these individual questions.\n\n### Array\n\n- Two Sum - https://leetcode.com/problems/two-sum/\n- Best Time to Buy and Sell Stock - https://leetcode.com/problems/best-time-to-buy-and-sell-stock/\n- Contains Duplicate - https://leetcode.com/problems/contains-duplicate/\n- Product of Array Except Self - https://leetcode.com/problems/product-of-array-except-self/\n- Maximum Subarray - https://leetcode.com/problems/maximum-subarray/\n- Maximum Product Subarray - https://leetcode.com/problems/maximum-product-subarray/\n- Find Minimum in Rotated Sorted Array - https://leetcode.com/problems/find-minimum-in-rotated-sorted-array/\n- Search in Rotated Sorted Array - https://leetcode.com/problems/search-in-rotated-sorted-array/\n- 3Sum - https://leetcode.com/problems/3sum/\n- Container With Most Water - https://leetcode.com/problems/container-with-most-water/\n\n---\n\n### Binary\n\n- Sum of Two Integers - https://leetcode.com/problems/sum-of-two-integers/\n- Number of 1 Bits - https://leetcode.com/problems/number-of-1-bits/\n- Counting Bits - https://leetcode.com/problems/counting-bits/\n- Missing Number - https://leetcode.com/problems/missing-number/\n- Reverse Bits - https://leetcode.com/problems/reverse-bits/\n\n---\n\n### Dynamic Programming\n\n- Climbing Stairs - https://leetcode.com/problems/climbing-stairs/\n- Coin Change - https://leetcode.com/problems/coin-change/\n- Longest Increasing Subsequence - https://leetcode.com/problems/longest-increasing-subsequence/\n- Longest Common Subsequence -\n- Word Break Problem - https://leetcode.com/problems/word-break/\n- Combination Sum - https://leetcode.com/problems/combination-sum-iv/\n- House Robber - https://leetcode.com/problems/house-robber/\n- House Robber II - https://leetcode.com/problems/house-robber-ii/\n- Decode Ways - https://leetcode.com/problems/decode-ways/\n- Unique Paths - https://leetcode.com/problems/unique-paths/\n- Jump Game - https://leetcode.com/problems/jump-game/\n\n---\n\n### Graph\n\n- Clone Graph - https://leetcode.com/problems/clone-graph/\n- Course Schedule - https://leetcode.com/problems/course-schedule/\n- Pacific Atlantic Water Flow - https://leetcode.com/problems/pacific-atlantic-water-flow/\n- Number of Islands - https://leetcode.com/problems/number-of-islands/\n- Longest Consecutive Sequence - https://leetcode.com/problems/longest-consecutive-sequence/\n- Alien Dictionary (Leetcode Premium) - https://leetcode.com/problems/alien-dictionary/\n- Graph Valid Tree (Leetcode Premium) - https://leetcode.com/problems/graph-valid-tree/\n- Number of Connected Components in an Undirected Graph (Leetcode Premium) - https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph/\n\n---\n\n### Interval\n\n- Insert Interval - https://leetcode.com/problems/insert-interval/\n- Merge Intervals - https://leetcode.com/problems/merge-intervals/\n- Non-overlapping Intervals - https://leetcode.com/problems/non-overlapping-intervals/\n- Meeting Rooms (Leetcode Premium) - https://leetcode.com/problems/meeting-rooms/\n- Meeting Rooms II (Leetcode Premium) - https://leetcode.com/problems/meeting-rooms-ii/\n\n---\n\n### Linked List\n\n- Reverse a Linked List - https://leetcode.com/problems/reverse-linked-list/\n- Detect Cycle in a Linked List - https://leetcode.com/problems/linked-list-cycle/\n- Merge Two Sorted Lists - https://leetcode.com/problems/merge-two-sorted-lists/\n- Merge K Sorted Lists - https://leetcode.com/problems/merge-k-sorted-lists/\n- Remove Nth Node From End Of List - https://leetcode.com/problems/remove-nth-node-from-end-of-list/\n- Reorder List - https://leetcode.com/problems/reorder-list/\n\n---\n\n### Matrix\n\n- Set Matrix Zeroes - https://leetcode.com/problems/set-matrix-zeroes/\n- Spiral Matrix - https://leetcode.com/problems/spiral-matrix/\n- Rotate Image - https://leetcode.com/problems/rotate-image/\n- Word Search - https://leetcode.com/problems/word-search/\n\n---\n\n### String\n\n- Longest Substring Without Repeating Characters - https://leetcode.com/problems/longest-substring-without-repeating-characters/\n- Longest Repeating Character Replacement - https://leetcode.com/problems/longest-repeating-character-replacement/\n- Minimum Window Substring - https://leetcode.com/problems/minimum-window-substring/\n- Valid Anagram - https://leetcode.com/problems/valid-anagram/\n- Group Anagrams - https://leetcode.com/problems/group-anagrams/\n- Valid Parentheses - https://leetcode.com/problems/valid-parentheses/\n- Valid Palindrome - https://leetcode.com/problems/valid-palindrome/\n- Longest Palindromic Substring - https://leetcode.com/problems/longest-palindromic-substring/\n- Palindromic Substrings - https://leetcode.com/problems/palindromic-substrings/\n- Encode and Decode Strings (Leetcode Premium) - https://leetcode.com/problems/encode-and-decode-strings/\n\n---\n\n### Tree\n\n- Maximum Depth of Binary Tree - https://leetcode.com/problems/maximum-depth-of-binary-tree/\n- Same Tree - https://leetcode.com/problems/same-tree/\n- Invert/Flip Binary Tree - https://leetcode.com/problems/invert-binary-tree/\n- Binary Tree Maximum Path Sum - https://leetcode.com/problems/binary-tree-maximum-path-sum/\n- Binary Tree Level Order Traversal - https://leetcode.com/problems/binary-tree-level-order-traversal/\n- Serialize and Deserialize Binary Tree - https://leetcode.com/problems/serialize-and-deserialize-binary-tree/\n- Subtree of Another Tree - https://leetcode.com/problems/subtree-of-another-tree/\n- Construct Binary Tree from Preorder and Inorder Traversal - https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/\n- Validate Binary Search Tree - https://leetcode.com/problems/validate-binary-search-tree/\n- Kth Smallest Element in a BST - https://leetcode.com/problems/kth-smallest-element-in-a-bst/\n- Lowest Common Ancestor of BST - https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/\n- Implement Trie (Prefix Tree) - https://leetcode.com/problems/implement-trie-prefix-tree/\n- Add and Search Word - https://leetcode.com/problems/add-and-search-word-data-structure-design/\n- Word Search II - https://leetcode.com/problems/word-search-ii/\n\n---\n\n### Heap\n\n- Merge K Sorted Lists - https://leetcode.com/problems/merge-k-sorted-lists/\n- Top K Frequent Elements - https://leetcode.com/problems/top-k-frequent-elements/\n- Find Median from Data Stream - https://leetcode.com/problems/find-median-from-data-stream/\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmartinkalema%2Fleetcode","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmartinkalema%2Fleetcode","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmartinkalema%2Fleetcode/lists"}