Wednesday, April 8, 2015

LeetCode [130] Surrounded Regions




Note

  • cors[i][j] is true if the 'O' at [i][j] is not surrounded

Ref
[1] https://leetcode.com/problems/surrounded-regions/
OJ
[2] http://yucoding.blogspot.com/2013/08/leetcode-question-131-surrounded-regions.html
method1

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