Largest Rectangle
in Histogram:
Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle
in the histogram.
Above is a histogram where width of each bar is 1, given height = [2,1,5,6,2,3].
The largest rectangle is shown in the shaded area, which has area = 10 unit.
For example,
Given height = [2,1,5,6,2,3],
return 10.
class Solution {
public:
int largestRectangleArea(vector<int> &h)......
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