bag_of_solutions

Solutions to different tasks from different platforms.

Tasks to solve

linked lists:

• https://leetcode.com/problems/merge-k-sorted-lists/

• https://leetcode.com/problems/linked-list-cycle/

• https://leetcode.com/problems/add-two-numbers/

• https://leetcode.com/problems/reverse-linked-list/

binary search:

• https://leetcode.com/problems/binary-search/

• https://leetcode.com/problems/guess-number-higher-or-lower/

• https://leetcode.com/problems/search-a-2d-matrix/

• https://leetcode.com/problems/search-in-rotated-sorted-array/

• https://leetcode.com/problems/find-minimum-in-rotated-sorted-array/

• https://leetcode.com/problems/search-in-rotated-sorted-array-ii/

hash table:

• https://leetcode.com/problems/single-number/ - решить за O(1) по памяти

• https://leetcode.com/problems/two-sum/

• https://leetcode.com/problems/4sum/

• https://leetcode.com/problems/group-anagrams/

• https://leetcode.com/problems/valid-anagram/

• https://leetcode.com/problems/find-all-anagrams-in-a-string/

queue/stack:

• https://leetcode.com/problems/valid-parentheses/

dfs/bfs:

• https://leetcode.com/problems/number-of-islands/

• https://leetcode.com/problems/remove-invalid-parentheses/