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C++ | Leetcode C++题解之第419题棋盘上的战舰

题目:

题解:

class Solution {
public:
    int countBattleships(vector<vector<char>>& board) {
        int row = board.size();
        int col = board[0].size();
        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/Ddddddd_158/article/details/142373390

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