Submission #2850864

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Source Code Expand

#include<iostream>
using namespace std;
#define ll long long
int main(){
    int i,j;
    int n,a;
    int ans;
    bool f;
    cin >> n ;
    ans =n;
    char s[n][n];
    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
            cin >> s[i][j];
        }
    }
    for(a=0;a<n;a++){
        f=true;
        for(i=0;i<n;i++){
            for(j=0;j<n;j++){
                if(s[i][(j+n-a)%n]!=s[j][(i+n-a)%n]){
                    ans--;
                    f=false;
                    break;
                }
            }
            if(!f){
                break;
            }
        }
    }
    cout << ans*n << endl;
    return 0;
}

Submission Info

Judge Result