TongTong Shi's Blog
A Playground to Share My Knowledge
Trapping Rain Water Trapping Rain Water
LeetCode Q 42 - Trapping Rain WaterGiven n non-negative integers representing an elevation map where the width of each b
2019-04-23 Tong Shi
LeetCode DP Stack Two Pointers Heap
Edit Distance Edit Distance
LeetCode Q 72 - Edit DistanceGiven two words word1 and word2, find the minimum number of operations required to convert
2019-04-22 Tong Shi
LeetCode DP
Climbing Stairs Climbing Stairs
LeetCode Q 70 - Climbing StairsYou are climbing a stair case. It takes n steps to reach to the top.Each time you can eit
2019-04-22 Tong Shi
LeetCode DP
Minimum Path Sum Minimum Path Sum
LeetCode Q 64 - Minimum Path SumGiven a m x n grid filled with non-negative numbers, find a path from top left to bottom
2019-04-22 Tong Shi
LeetCode DP
Unique Paths II Unique Paths II
LeetCode Q 63 - Unique Paths IIA robot is located at the top-left corner of a m x n grid (marked ‘Start’ in the diagram
2019-04-22 Tong Shi
LeetCode DP
Unique Paths Unique Paths
LeetCode Q 62 - Unique PathsA robot is located at the top-left corner of a m x n grid (marked ‘Start’ in the diagram bel
2019-04-22 Tong Shi
LeetCode DP
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