题解 | #顺时针旋转矩阵#

public:
    vector<vector<int> > rotateMatrix(vector<vector<int> > mat, int n) {
        vector<vector<int>> result;
        vector<int> path;
        int index,indexB;
        for(index=0;index<n;index++){
            for(indexB=n-1;indexB>=0;indexB--){
                path.emplace_back(mat[indexB][index]);
            }
            result.emplace_back(path);
            path.clear();
        }
        return result;       
    }
};