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Surrounded Regions - 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.
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Leetcode Link. Problem Description. In this problem, we are given a m x n matrix called board, composed of characters 'X' and 'O'. The goal is to identify all the regions formed by 'O' that are completely surrounded by 'X' in all four directions (up, down, left, and right) without any breaks.
Given an m x n matrix board containing 'X' and 'O', capture all regions that are 4-directionally surrounded by 'X'. A region is captured by flipping all 'O' s into 'X' s in that surrounded region. Example 1: Input: board = [["X","X","X","X"],["X","O","O","X"],["X","X","O","X"],["X","O","X","X"]] Output: ...
Surrounded Regions - Given an m x n matrix board containing 'X' and 'O', capture all regions that are 4-directionally surrounded by 'X'. A region is captured by flipping all 'O's into 'X's in that surrounded region.
Aug 13, 2021 · Given an m x n matrix board containing 'X' and 'O', capture all regions that are 4-directionally surrounded by 'X'. A region is captured by flipping all 'O's into 'X's in that surrounded region.
