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Java | Leetcode Java题解之第419题棋盘上的战舰

题目:

题解:

class Solution {
    public int countBattleships(char[][] board) {
        int row = board.length;
        int col = board[0].length;
        int ans = 0;
        for (int i = 0; i < row; ++i) {
            for (int j = 0; j < col; ++j) {
                if (board[i][j] == 'X') {
                    if (i > 0 && board[i - 1][j] == 'X') {
                        continue;
                    }
                    if (j > 0 && board[i][j - 1] == 'X') {
                        continue;
                    }
                    ans++;
                }
            }
        }
        return ans;
    }
}

原文地址:https://blog.csdn.net/m0_57195758/article/details/142373389

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