题解 | #矩阵元素定位#
矩阵元素定位
https://www.nowcoder.com/practice/b8e6a46992fe4e11b2822b20561b6d94
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]); } }