Leetcode
1 Two Sum 34.50% Easy
2 Add Two Numbers 27.70% Medium
3 Longest Substring Without Repeating Characters 24.30% Medium
4 Median of Two Sorted Arrays 21.80% Hard
5 Longest Palindromic Substring 25.20% Medium
7 Reverse Integer 24.40% Easy
8 String to Integer (atoi) 14.00% Medium