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130. Surrounded Regions

LeetCodeArrayDepth-First SearchBreadth-First SearchUnion-FindMatrixOpen on judge ↗

You are given an m x n matrix board containing letters 'X' and 'O', capture regions that are surrounded: - Connect: A cell is connected to adjacent cells horizontally or vertically. - Region: To form a region connect every 'O' cell. - Surround: A region is surrounded if none of the 'O' cells in that region are on the edge of the board. Such regions are completely enclosed by 'X' cells. To capt

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solution.cppC++17

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