leetcode-第299场周赛
本文最后更新于:2022年7月2日 下午
y总代码:
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| class Solution { public: bool checkXMatrix(vector<vector<int>>& grid) { int n = grid.size();
bool res = true;
for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { if (i == j || j == n-i-1) { if (grid[i][j] == 0) return false; } else { if (grid[i][j] != 0) return false; } } } return res; } };
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自己的代码:
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| class Solution { public: bool checkXMatrix(vector<vector<int>>& grid) { int n = grid.size(); int m = grid[0].size(); bool res = true; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { if (i == j || j == n-i-1) { if (grid[i][j] == 0) { res = false; break; } } else { if (grid[i][j] !=0 ) { res = false; break; } } } } return res; } };
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