#84
Largest Rectangle in Histogram
candidate master · 1435 · lc hard +32 · verified · 49.4% accepted · 19,487 likes · top 36%
Description
Array heights represents a histogram where every bar has width 1. Return the area of the largest rectangle that fits entirely within the histogram.
Example 1:
Input: heights = [2,1,5,6,2,3]
Output: 10
Explanation: The above is a histogram where width of each bar is 1.
The largest rectangle is shown in the red area, which has an area = 10 units.
Example 2:
Input: heights = [2,4]
Output: 4
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