{"id":20269488,"url":"https://github.com/thammami01/hackerrank-solutions","last_synced_at":"2026-05-06T14:37:27.615Z","repository":{"id":196059704,"uuid":"519917118","full_name":"THammami01/hackerrank-solutions","owner":"THammami01","description":"All of Hackerrank problems solutions that I participated in.","archived":false,"fork":false,"pushed_at":"2022-08-09T16:18:58.000Z","size":34,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-03-10T23:25:24.392Z","etag":null,"topics":["bash","hackerrank-solutions","java","mysql"],"latest_commit_sha":null,"homepage":"","language":"Java","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/THammami01.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}},"created_at":"2022-08-01T00:25:32.000Z","updated_at":"2023-03-07T06:30:39.000Z","dependencies_parsed_at":"2023-09-21T06:28:52.495Z","dependency_job_id":null,"html_url":"https://github.com/THammami01/hackerrank-solutions","commit_stats":null,"previous_names":["thammami01/hackerrank-solutions"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/THammami01/hackerrank-solutions","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/THammami01%2Fhackerrank-solutions","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/THammami01%2Fhackerrank-solutions/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/THammami01%2Fhackerrank-solutions/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/THammami01%2Fhackerrank-solutions/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/THammami01","download_url":"https://codeload.github.com/THammami01/hackerrank-solutions/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/THammami01%2Fhackerrank-solutions/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":32698658,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-05-06T08:33:17.875Z","status":"ssl_error","status_checked_at":"2026-05-06T08:33:17.221Z","response_time":117,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.6:443 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":["bash","hackerrank-solutions","java","mysql"],"created_at":"2024-11-14T12:25:28.515Z","updated_at":"2026-05-06T14:37:27.582Z","avatar_url":"https://github.com/THammami01.png","language":"Java","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Hackerrank Solutions\n\nProblem statements can be seen using this link:\n`https://www.hackerrank.com/challenges/\u003cpackage-name\u003e`\n\nURL's subroutes must be in kebab case. For instance: `package-name` instead of `package_name`.\n\nAll problems in order from first to last solved:\n\n## Java\n\n| Name | Package |\n|---|---|\n| Welcome to Java! | welcome_to_java |\n| Java Stdin and Stdout I | java_stdin_and_stdout_1 |\n| Java If-Else | java_if_else |\n| Java Stdin and Stdout II | java_stdin_stdout |\n| Java Output Formatting | java_output_formatting |\n| Java Loops I | java_loops_i |\n| Java Loops II | java_loops |\n| Java Datatypes | java_datatypes |\n| Java End-of-file | java_end_of_file |\n| Java Static Initializer Block | java_static_initializer_block |\n| Java Int to String | java_int_to_string |\n| Java Date and Time | java_date_and_time |\n| Java Currency Formatter | java_currency_formatter |\n| Java Strings Introduction | java_strings_introduction |\n| Java Substring | java_substring |\n| Java Substring Comparisons | java_string_compare |\n| Java String Reverse | java_string_reverse |\n| Java Anagrams | java_anagrams |\n| Java 1D Array | java_1d_array_introduction |\n| Java 2D Array | java_2d_array |\n| Java BigInteger | java_biginteger |\n| Java Inheritance I | java_inheritance_1 |\n| Java Inheritance II | java_inheritance_2 |\n| Java Method Overriding | java_method_overriding |\n| Java Method Overriding 2 (Super Keyword) | java_method_overriding_2_super_keyword |\n| Java Exception Handling (Try-catch) | java_exception_handling_try_catch |\n| Java Instanceof keyword | java_instanceof_keyword |\n| Day 0: Mean, Median, and Mode | s10_basic_statistics |\n| Day 0: Weighted Mean | s10_weighted_mean |\n| Sales by Match | sock_merchant |\n| Counting Valleys | counting_valleys |\n| Jumping on the Clouds | jumping_on_the_clouds |\n| Repeated String | repeated_string |\n| Day 1: Quartiles| s10_quartiles |\n| Day 1: Interquartile Range | s10_interquartile_range |\n| Day 1: Standard Deviation | s10_standard_deviation |\n| 2D Array - DS | _2d_array |\n| Arrays: Left Rotation | ctci_array_left_rotation |\n| Sorting: Bubble Sort | ctci_bubble_sort |\n| Day 0: Hello, World. | _30_hello_world |\n| Day 4: Binomial Distribution I | s10_binomial_distribution_1 |\n| Day 4: Binomial Distribution II | s10_binomial_distribution_2 |\n| Day 4: Geometric Distribution I | s10_geometric_distribution_1 |\n| Day 4: Geometric Distribution II | s10_geometric_distribution_2 |\n| Day 5: Poisson Distribution I | s10_poisson_distribution_1 |\n| Day 1: Data Types | _30_data_types |\n| Day 5: Poisson Distribution II | s10_poisson_distribution_2 |\n| Day 2: Operators | _30_operators |\n| Day 3: Intro to Conditional Statements | _30_conditional_statements |\n| Day 4: Class vs. Instance | _30_class_vs_instance |\n| Day 5: Loops | _30_loops |\n| Day 6: Let's Review | _30_review_loop |\n| Day 7: Arrays | _30_arrays |\n| Day 8: Dictionaries and Maps | _30_dictionaries_and_maps |\n| Day 9: Recursion 3 | _30_recursion |\n| Day 10: Binary Numbers | _30_binary_numbers |\n| Day 11: 2D Arrays | _30_2d_arrays |\n| Day 12: Inheritance | _30_inheritance |\n| Day 13: Abstract Classes | _30_abstract_classes |\n| Day 14: Scope | _30_scope |\n| Day 15: Linked List | _30_linked_list |\n| Day 16: Exceptions - String to Integer | _30_exceptions_string_to_integer |\n| Day 17: More Exceptions | _30_more_exceptions |\n| Day 18: Queues and Stacks | _30_queues_stacks |\n| Day 19: Interfaces | _30_interfaces |\n| Day 20: Sorting | _30_sorting |\n| Day 21: Generics | _30_generics |\n\n## MySQL\n\n| Name | File |\n|---|---|\n| Revising the Select Query I | revising-the-select-query.sql |\n| Revising the Select Query II | revising-the-select-query-2.sql |\n| Select All | select-all-sql.sql |\n| Select By ID | select-by-id.sql |\n| Japanese Cities' Attributes | japanese-cities-attributes.sql |\n| Japanese Cities' Names | japanese-cities-name.sql |\n| Weather Observation Station 1 | weather-observation-station-1.sql |\n| Weather Observation Station 3 | weather-observation-station-3.sql |\n| Weather Observation Station 4 | weather-observation-station-4.sql |\n\n## Bash\n\n| Name | File |\n|---|---|\n| Let's Echo | bash-tutorials-lets-echo.sh |\n| A Personalized Echo | bash-tutorials-a-personalized-echo.sh |\n| The World of Numbers | bash-tutorials-the-world-of-numbers.sh |\n| Comparing Numbers | bash-tutorials-comparing-numbers.sh |\n| More on Conditionals | bash-tutorials-more-on-conditionals.sh |\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fthammami01%2Fhackerrank-solutions","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fthammami01%2Fhackerrank-solutions","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fthammami01%2Fhackerrank-solutions/lists"}