Code Tasks

Easy level

1. First bad version – solution, test
2. Merge sorted array – solution, test, разбор на YouTube
3. Find the Index of the First Occurrence in a String – solution, test, TODO
4. Longest Common Prefix – solution, test
5. Valid Palindrome – solution, test, TODO
6. Two Sum – solution, test
7. Plus One – solution, test, разбор на YouTube
8. Roman to Integer – solution, test
9. Remove Element – solution, test, TODO
10. Middle of the Linked List – solution, test, TODO
11. Number of 1 Bits – solution, test
12. Linked List Cycle – solution, test, TODO
13. Valid Parentheses – solution, test, TODO
14. Missing Number – solution, test
15. Power of Three – solution, test
16. Majority Element – solution, test
17. Valid Anagram – solution, test
18. Intersection of Two Arrays II – solution, test
19. Remove Duplicates from Sorted Array – solution, test

Medium level

1. Product of Array Except Self – solution, test
2. Integer to Roman – solution, test
3. Search a 2D Matrix – solution, test, TODO
4. Summary Ranges – solution, test
5. Merge Intervals – solution, test
6. Valid Sudoku – solution, test, TODO
7. LRU Cache – solution, test, TODO
8. Maximum Subarray – solution, test, TODO
9. Reverse Words in a String – solution, test, TODO
10. Flatten Binary Tree to Linked List – solution, test, TODO
11. Evaluate Reverse Polish Notation – solution, test, TODO
12. Longest Consecutive Sequence – solution, test, TODO
13. Basic Calculator II – solution, test, TODO
14. Basic Calculator II – solution, test
15. Game of Life – solution, test
16. Delete Node in a Linked List – solution, test
17. Longest Common Subsequence – solution, test
18. Delete Node in a Binary Search Tree – solution, test
19. Decode String – solution, test
20. Determine if Two Strings Are Close – solution, test
21. Removing Stars From a String – solution, test

Hard level

1. Basic Calculator – solution, test