[LeetCode] Largest Rectangle in Histogram 直方图中最大的矩形
题目描述:Given*n*non-negativeintegersrepresentingthehistogram'sbarheightwherethewidthofeachbaris1,findtheareaoflargestrectangleinthehistogram.Aboveisahistogramwherewidthofeachbaris1,givenheight=`[2,1,5,6,