1. 문제

2. 코드

import java.util.*;

public class Main {

    public static int n,m,k,sum=0;
    public static int[][] map;
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        n = sc.nextInt();
        m = sc.nextInt();

        map = new int[n+1][m+1];

        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= m; j++) {
                map[i][j]=sc.nextInt();
            }
        }

        //합구하기
        k = sc.nextInt();
        for (int t = 0; t < k; t++) {
            sum = 0;
            int x1 = sc.nextInt();
            int y1 = sc.nextInt();
            int x2 = sc.nextInt();
            int y2 = sc.nextInt();

            for (int i = x1; i <= x2; i++) {
                for (int j = y1; j <= y2; j++) {
                    sum+=map[i][j];
                }
            }

            System.out.println(sum);
        }

    }

}

3. 링크

https://www.acmicpc.net/problem/2167