leetcode867

vector<vector<int>> transpose(vector<vector<int>>& A) {
    vector<vector<int>> V;
    int RowLen = A.size();
    int ColLen = A[].size();
    for (int j = ; j < ColLen; j++)
    {
        vector<int> v;
        for (int i = ; i < RowLen; i++)
        {
            v.push_back(A[i][j]);
        }
        V.push_back(v);
    }

    return V;
}