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 包圍區域這道題中,我們發現用DFS方法中的最后一個條件必須是j gt ,如下面的紅色字體所示,如果寫成j gt 的話無法通過OJ,一直百思不得其解其中的原因,直到有網友告訴我說他驗證了最后一個大集合在本地機子上可以通過,那么我也來驗證看看吧。 驗證的方法無非就是兩種方法都算出個結果,然后比較兩者是否相同,難點就是在於如何將超大數據集合存 ...
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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 ...
原題地址:https://oj.leetcode.com/problems/surrounded-regions/ 題意: Given a 2D board containing 'X' and 'O', capture all regions ...
題目: 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 ...
基礎部分 BFS 1091. 二進制矩陣中的最短路徑 中等 在一個 N × N 的方形網格中,每個單元格有兩種狀態:空(0)或者阻塞(1)。 一條從左上角到右下角、長度為 k 的暢通路徑,由 ...
數。因為dfs.replication實質上是client參數,在create文件時可以指定具體replication, ...