Description

Submission

class Solution {
public:
    vector<vector<int>> restoreMatrix(vector<int>& rowSum, vector<int>& colSum) {
        int n = rowSum.size();
        int m = colSum.size();
        vector<vector<int>> ret(n, vector<int>(m, 0));
        
        for(int i = 0; i < n; ++i) {
            for(int j = 0; j < m; ++j) {
                ret[i][j] = min(rowSum[i], colSum[j]);
                rowSum[i] -= ret[i][j];
                colSum[j] -= ret[i][j];
            }
        }
        
        return ret;
    }
};