题解 | #矩阵元素定位#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int m = in.nextInt();
        int[][] num = new int[n][m];
        for(int i = 0 ;i < n;i++){
            for(int j = 0; j < m;j++){
                num[i][j] = in.nextInt();
            }
        }
        System.out.println(num[in.nextInt()-1][in.nextInt()-1]);
    }
}