TrappingRainWater
LeetCode[42]TrappingRainWater
# Content Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raini ......
No_42_TrappingRainWater
# Content Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raini ......