[실1] 15724 - 주지수

#include <iostream>
#include <string>

using namespace std;

#define SIZE 1050

int n, m, t, arr[SIZE][SIZE]{ 0 };

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cin >> n >> m;
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= m ; j++)
        {
            int a; cin >> a;
            arr[i][j] = a + arr[i - 1][j] + arr[i][j - 1] - arr[i - 1][j - 1];
        }
    }
    cin >> t;
    while (t--)
    {
        int x1, x2, y1, y2; cin >> x1 >> y1 >> x2 >> y2;
        cout << arr[x2][y2] - arr[x1 - 1][y2] - arr[x2][y1 - 1] + arr[x1 - 1][y1 - 1] << '\n';
    }
}