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 ...
Surrounded Regions Given a D board containing X and O , capture all regions surrounded by X . A region is captured by flipping all O s into X s in that surrounded region. For example, After running yo ...
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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 ...
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 > 1,如下面的紅色字體所示,如果寫成j > 0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 ...
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