Maximum Area Rectangle in Histogram
Question: Find the maximum rectangle (in terms of area) under a histogram in linear time. I mean the area of largest rectangle that fits entirely in the Histogram.
(Please refer figures before code section for clarity. If I include bar i completely, those figure will tell how much maximum area rectangle I can get.)
Consider the histogram below:
Max area of the rectangle:
Max area = 4 * 3 = 12
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