29. Trapping Rain Water
Given bar heights, compute how much rain water can be trapped.
Contoh 1:
Input: height = [0,1,0,2,1,0,1,3,2,1,2,1] Output: 6
Contoh 2:
Input: height = [4,2,0,3,2,5] Output: 9
Batasan:
0 <= height.length <= 2 * 10^4
● Tersimpan otomatisBaris 1, kolom 1