题解 | #矩阵元素定位#

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        
        int n = scan.nextInt();
        int m = scan.nextInt();
        
        int[][] arr = new int[n][m];
        for(int i = 0; i < arr.length; i++) {
            for(int j = 0; j < arr[i].length; j++) {
                arr[i][j] = scan.nextInt();
            }
        }
        int x = scan.nextInt();
        int y = scan.nextInt();
        
        System.out.println(arr[x - 1][y - 1]);
    }
}