题解 | #最高分与最低分之差#

import java.util.*;
public class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
int m = sc.nextInt();
int arr1[][] = new int[n][m];
int arr2[][] = new int[n][m];
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
arr1[i][j] = sc.nextInt();
}
}
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
arr2[i][j] = sc.nextInt();
}
}
boolean flag = true;
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
if(arr1[i][j]!=arr2[i][j]){
flag = false;break;
}
}
}
if(flag)
System.out.println("Yes");
else
System.out.println("No");
}
}