摘要：
Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area. 题意：求全由1组成的最大矩形面积。 思路：这题感觉是larges 阅读全文
摘要：
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 hist 阅读全文