171228_2167_2차원 배열의 합

//https://www.acmicpc.net/problem/2167 #include <iostream>

using namespace std;

int arr[301][301];

int main()

{

int n, m, k, dp;

cin >> n >> m;

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

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

cin >> arr[i][j];

cin >> k;

for(int a=0; a<k; a++)

{

int i, j,x,y;

cin >> i >> j >> x >> y;

int sum=0;

for(int b=i; b<=x; b++)

{

for(int c=j; c<=y; c++)

sum+=arr[b][c];

}

cout << sum << endl;

}

}