085 Maximal Rectangle 最大矩形

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085 Maximal Rectangle 最大矩形

给定一个填充了 0 和 1 的二进制矩阵,找到最大的只包含 1 的矩形并返回其面积.例如,给出以下矩阵:1 0 1 0 01 0 1 1 11 1 1 1 11 0 0 1 0返回 6 详见:https://leetcode.com/problems/maximal-rectangle/description/ Java实现: class Solution { public int maximalRectangle(char[][] matrix) { if(matrix == null ||…

[LintCode] Maximal Rectangle 最大矩形

Given a 2D boolean matrix filled with False and True, find the largest rectangle containing all True and return its area. ExampleGiven a matrix: [ [1, 1, 0, 0, 1], [0, 1, 0, 0, 1], [0, 0, 1, 1, 1], [0, 0, 1, 1, 1], [0, 0, 0, 0, 1]]return 6. LeetCode上…

[LeetCode] Maximal Rectangle 最大矩形

Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area. 此题是之前那道的Largest Rectangle in Histogram 直方图中最大的矩形的扩展,这道题的二维矩阵每一层向上都可以看做一个直方图,输入矩阵有多少行,就可以形成多少个直方图,对每个直方图都调用Largest Rectangle in Hist…

[LeetCode] 85. Maximal Rectangle 最大矩形

Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing only 1's and return its area. Example: Input: [ ["1","0","1","0","0"], ["1","0","1",&qu…

【LeetCode】085. Maximal Rectangle

题目: Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing only 1's and return its area. For example, given the following matrix: 1 0 1 0 0 1 0 1 1 1 0 0 1 0 Return 6 题解: 这个题是在 Largest Rectangle in Histogram上的延伸,二维矩…

Java for LeetCode 085 Maximal Rectangle

Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area. 解题思路: 求01矩阵中,全是1的子矩阵的最大面积. 把矩阵按照每一行看做是直方图,可以转化为上一题,JAVA实现如下: static public int maximalRectangle(char[][] matrix) { if(matrix.length=…