12A - Super Agent - CodeForces Solution

#include<bits/stdc++.h>
using namespace std;
#define ll long long
 
int main(int argc, char const *argv[])
{
 char arr[3][3];
 for (int i = 0; i <3; i++)
 {
    for (int j = 0; j <3; j++)
    {
        cin>>arr[i][j];
    }
    
 }
 
 int flag=0;
  for (int i = 0; i <3; i++)
 {
    for (int j = 0; j <3; j++)
    {
       if (arr[0][0]==arr[2][2]&&arr[0][1]==arr[2][1]&&arr[0][2]==arr[2][0]&&arr[1][0]==arr[1][2])
       {
        cout<<"YES";
        flag=1;
        break;
       }
       
    }
    if(flag==1){
        break;
    }
 }
 if (flag==0)
 {
    cout<<"NO";
 }
 
return 0;
}