2-D Dynamic Programming

1 Unique Paths Medium 2 Longest Common Subsequence Medium 3 Best Time to Buy and Sell Stock with Cooldown Medium 4 Coin Change 2 Medium 5 Target Sum Medium 6 Interleaving String Medium 7 Longest Increasing Path in a Matrix Hard 8 Distinct Subsequences Hard 9 Edit Distance Hard 10 Burst Balloons Hard 11 Regular Expression Matching Hard