Leetcode Revision for 2024 (Python, C++, Java)

Best timings (mm:ss):

1. Two Sum (00:58)
2. Merge Sorted Array (02:30)
3. Valid Word Abbreviation (03:11)
4. Best Time to Buy and Sell Stock (00:47)
5. Valid Parentheses (01:35)
6. Palindrome Number
7. Longest Common Prefix
8. Valid Palindrome II
9. Logger Rate Limiter
10. Merge Strings Alternately
11. Roman to Integer
12. Find Common Characters
13. Climbing Stairs
14. Add Two Integers
15. Majority Element