smen mars 2d

#include <iostream>

using namespace std;

int q, x, y, x2, y2, z, smen[103][103], v[103][103], m;

int main()
{

    int n;
    cout << "n=";
    cin >> n;
    cout << "m=";
    cin >> m;
    cout << "v:";
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            cin >> v[i][j];
    cout << "q=";
    cin >> q;
    while (q--)
    {
        cin >> x >> y >> x2 >> y2 >> z;
        smen[x][y] += z;
        smen[x][y2 + 1] -= z;
        smen[x2 + 1][y] -= z;
        smen[x2 + 1][y2 + 1] += z;
    }

    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= m; j++)

        {
            smen[i][j] += smen[i - 1][j] + smen[i][j - 1] - smen[i - 1][j - 1];
        }

    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
        {
            v[i][j] += smen[i][j];
        }
    cout << "after smen:" << endl;
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <=m; j++)
            cout << v[i][j] << ' ';
        cout << endl;
    }
    return 0;
}