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;}
};