pastebin

using namespace std;

 

const int MAX_SIZE = 100;

 

int main() {

    int n, m, nr_area, mt[MAX_SIZE + 1][MAX_SIZE + 1];

    cin >> n >> m;

    for (int i = 1; i <= n; ++i) {

        for (int j = 1; j <= m; ++j) {

            cin >> mt[i][j];

        }

    }

    cin >> nr_area;

    int i1, j1, i2, j2;

    // we go through and read each area

    for (int area = 1; area <= nr_area; ++area) {

        cin >> i1 >> j1 >> i2 >> j2;

                int amount = 0;

        //we go through the elements of the area and find their sum

        for (int i = i1; i <= i2; ++i) {

            for (int j = j1; j <= j2; ++j) {

                amount += mt[i][j];

            }

        }

                cout << "n";

        cout << amount;

        amount = 0;

    }

    return 0;