Given a 2D board containing 'X' and 'O'(the letter O), capture all regions surrounded by 'X'. A region is captured by flipping all 'O's into 'X's ...
在LeetCode中的Surrounded Regions 包围区域这道题中,我们发现用DFS方法中的最后一个条件必须是j gt ,如下面的红色字体所示,如果写成j gt 的话无法通过OJ,一直百思不得其解其中的原因,直到有网友告诉我说他验证了最后一个大集合在本地机子上可以通过,那么我也来验证看看吧。 验证的方法无非就是两种方法都算出个结果,然后比较两者是否相同,难点就是在于如何将超大数据集合存 ...
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Given a 2D board containing 'X' and 'O'(the letter O), capture all regions surrounded by 'X'. A region is captured by flipping all 'O's into 'X's ...
原题地址:https://oj.leetcode.com/problems/surrounded-regions/ 题意: Given a 2D board containing 'X' and 'O', capture all regions ...
题目: Given a 2D board containing 'X' and 'O', capture all regions surrounded by 'X'. A region is captured by flipping all 'O's into 'X's ...
Surrounded Regions Given a 2D board containing 'X' and 'O', capture all regions surrounded by 'X'. A region is captured by flipping all 'O's ...
into contiguous regions. (Note that backslash characters are esc ...
基础部分 BFS 1091. 二进制矩阵中的最短路径 中等 在一个 N × N 的方形网格中,每个单元格有两种状态:空(0)或者阻塞(1)。 一条从左上角到右下角、长度为 k 的畅通路径,由 ...
数。因为dfs.replication实质上是client参数,在create文件时可以指定具体replication, ...