Language: C++

#include <iostream>
#define REP(i,k,n) for(int i=k;i<n;i++)
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
 
struct Cube
{
    int f[6];
    Cube(){}
 
    void roll(int i,int j,int k,int l)
    {
        int t = f[i];
        f[i] = f[j];
        f[j] = f[k];
        f[k] = f[l];
        f[l] = t;
    }
 
    void roll_z() { roll(1,2,4,3); }
    void roll_y() { roll(0,2,5,3); }
    void roll_x() { roll(0,1,5,4); }
 
    void move(char c)
    {
        if(c == 'E') rep(i,3) roll_y();
        else if(c == 'W') roll_y();
        else if(c == 'N') roll_x();
        else if(c == 'S') rep(i,3) roll_x();
    }
};
 
bool equal_1(Cube c1,Cube c2)
{
    rep(i,6)
    {
        if(c1.f[i] != c2.f[i]) return false;
    }
    return true;
}
 
bool equal_2(Cube c1,Cube c2)
{
    rep(i,6)
    {
        rep(j,4)
        {
            if(equal_1(c1,c2)) return true;
            c1.roll_z();
        }
        if(i%2 == 0)
        {
            c1.roll_y();
        }
        else
        {
            c1.roll_x();
        }
    }
    return false;
}
 
int main()
{
    Cube c[100];
 
    int n;
    cin >> n;
 
    rep(i,n)
    {
        rep(j,6)
        {
            cin >> c[i].f[j];
        }
    }
 
    bool flag = true;
    rep(i,n-1)
    {
        REP(j,i+1,n)
        {
            if(equal_2(c[i],c[j]))
            {
                flag = false;
            }
        }
    }
 
    if(flag) cout << "Yes" << endl;
    else cout << "No" << endl;
 
    return 0;
}


Compiler output:
a.cc:5:1: error: extended character   is not valid in an identifier
    5 |  
      | ^
a.cc:8:1: error: extended character   is not valid in an identifier
    8 |     int f[6];
      | ^
a.cc:8:1: error: extended character   is not valid in an identifier
a.cc:8:1: error: extended character   is not valid in an identifier
a.cc:8:1: error: extended character   is not valid in an identifier
a.cc:9:1: error: extended character   is not valid in an identifier
    9 |     Cube(){}
      | ^
a.cc:9:1: error: extended character   is not valid in an identifier
a.cc:9:1: error: extended character   is not valid in an identifier
a.cc:9:1: error: extended character   is not valid in an identifier
a.cc:10:1: error: extended character   is not valid in an identifier
   10 |  
      | ^
a.cc:11:1: error: extended character   is not valid in an identifier
   11 |     void roll(int i,int j,int k,int l)
      | ^
a.cc:11:1: error: extended character   is not valid in an identifier
a.cc:11:1: error: extended character   is not valid in an identifier
a.cc:11:1: error: extended character   is not valid in an identifier
a.cc:12:1: error: extended character   is not valid in an identifier
   12 |     {
      | ^
a.cc:12:1: error: extended character   is not valid in an identifier
a.cc:12:1: error: extended character   is not valid in an identifier
a.cc:12:1: error: extended character   is not valid in an identifier
a.cc:13:1: error: extended character   is not valid in an identifier
   13 |         int t = f[i];
      | ^
a.cc:13:1: error: extended character   is not valid in an identifier
a.cc:13:1: error: extended character   is not valid in an identifier
a.cc:13:1: error: extended character   is not valid in an identifier
a.cc:13:1: error: extended character   is not valid in an identifier
a.cc:13:1: error: extended character   is not valid in an identifier
a.cc:13:1: error: extended character   is not valid in an identifier
a.cc:13:1: error: extended character   is not valid in an identifier
a.cc:14:1: error: extended character   is not valid in an identifier
   14 |         f[i] = f[j];
      | ^
a.cc:14:1: error: extended character   is not valid in an identifier
a.cc:14:1: error: extended character   is not valid in an identifier
a.cc:14:1: error: extended character   is not valid in an identifier
a.cc:14:1: error: extended character   is not valid in an identifier
a.cc:14:1: error: extended character   is not valid in an identifier
a.cc:14:1: error: extended character   is not valid in an identifier
a.cc:14:1: error: extended character   is not valid in an identifier
a.cc:15:1: error: extended character   is not valid in an identifier
   15 |         f[j] = f[k];
      | ^
a.cc:15:1: error: extended character   is not valid in an identifier
a.cc:15:1: error: extended character   is not valid in an identifier
a.cc:15:1: error: extended character   is not valid in an identifier
a.cc:15:1: error: extended character   is not valid in an identifier
a.cc:15:1: error: extended character   is not valid in an identifier
a.cc:15:1: error: extended character   is not valid in an identifier
a.cc:15:1: error: extended character   is not valid in an identifier
a.cc:16:1: error: extended character   is not valid in an identifier
   16 |         f[k] = f[l];
      | ^
a.cc:16:1: error: extended character   is not valid in an identifier
a.cc:16:1: error: extended character   is not valid in an identifier
a.cc:16:1: error: extended character   is not valid in an identifier
a.cc:16:1: error: extended character   is not valid in an identifier
a.cc:16:1: error: extended character   is not valid in an identifier
a.cc:16:1: error: extended character   is not valid in an identifier
a.cc:16:1: error: extended character   is not valid in an identifier
a.cc:17:1: error: extended character   is not valid in an identifier
   17 |         f[l] = t;
      | ^
a.cc:17:1: error: extended character   is not valid in an identifier
a.cc:17:1: error: extended character   is not valid in an identifier
a.cc:17:1: error: extended character   is not valid in an identifier
a.cc:17:1: error: extended character   is not valid in an identifier
a.cc:17:1: error: extended character   is not valid in an identifier
a.cc:17:1: error: extended character   is not valid in an identifier
a.cc:17:1: error: extended character   is not valid in an identifier
a.cc:18:1: error: extended character   is not valid in an identifier
   18 |     }
      | ^
a.cc:18:1: error: extended character   is not valid in an identifier
a.cc:18:1: error: extended character   is not valid in an identifier
a.cc:18:1: error: extended character   is not valid in an identifier
a.cc:19:1: error: extended character   is not valid in an identifier
   19 |  
      | ^
a.cc:20:1: error: extended character   is not valid in an identifier
   20 |     void roll_z() { roll(1,2,4,3); }
      | ^
a.cc:20:1: error: extended character   is not valid in an identifier
a.cc:20:1: error: extended character   is not valid in an identifier
a.cc:20:1: error: extended character   is not valid in an identifier
a.cc:21:1: error: extended character   is not valid in an identifier
   21 |     void roll_y() { roll(0,2,5,3); }
      | ^
a.cc:21:1: error: extended character   is not valid in an identifier
a.cc:21:1: error: extended character   is not valid in an identifier
a.cc:21:1: error: extended character   is not valid in an identifier
a.cc:22:1: error: extended character   is not valid in an identifier
   22 |     void roll_x() { roll(0,1,5,4); }
      | ^
a.cc:22:1: error: extended character   is not valid in an identifier
a.cc:22:1: error: extended character   is not valid in an identifier
a.cc:22:1: error: extended character   is not valid in an identifier
a.cc:23:1: error: extended character   is not valid in an identifier
   23 |  
      | ^
a.cc:24:1: error: extended character   is not valid in an identifier
   24 |     void move(char c)
      | ^
a.cc:24:1: error: extended character   is not valid in an identifier
a.cc:24:1: error: extended character   is not valid in an identifier
a.cc:24:1: error: extended character   is not valid in an identifier
a.cc:25:1: error: extended character   is not valid in an identifier
   25 |     {
      | ^
a.cc:25:1: error: extended character   is not valid in an identifier
a.cc:25:1: error: extended character   is not valid in an identifier
a.cc:25:1: error: extended character   is not valid in an identifier
a.cc:26:1: error: extended character   is not valid in an identifier
   26 |         if(c == 'E') rep(i,3) roll_y();
      | ^
a.cc:26:1: error: extended character   is not valid in an identifier
a.cc:26:1: error: extended character   is not valid in an identifier
a.cc:26:1: error: extended character   is not valid in an identifier
a.cc:26:1: error: extended character   is not valid in an identifier
a.cc:26:1: error: extended character   is not valid in an identifier
a.cc:26:1: error: extended character   is not valid in an identifier
a.cc:26:1: error: extended character   is not valid in an identifier
a.cc:27:1: error: extended character   is not valid in an identifier
   27 |         else if(c == 'W') roll_y();
      | ^
a.cc:27:1: error: extended character   is not valid in an identifier
a.cc:27:1: error: extended character   is not valid in an identifier
a.cc:27:1: error: extended character   is not valid in an identifier
a.cc:27:1: error: extended character   is not valid in an identifier
a.cc:27:1: error: extended character   is not valid in an identifier
a.cc:27:1: error: extended character   is not valid in an identifier
a.cc:27:1: error: extended character   is not valid in an identifier
a.cc:28:1: error: extended character   is not valid in an identifier
   28 |         else if(c == 'N') roll_x();
      | ^
a.cc:28:1: error: extended character   is not valid in an identifier
a.cc:28:1: error: extended character   is not valid in an identifier
a.cc:28:1: error: extended character   is not valid in an identifier
a.cc:28:1: error: extended character   is not valid in an identifier
a.cc:28:1: error: extended character   is not valid in an identifier
a.cc:28:1: error: extended character   is not valid in an identifier
a.cc:28:1: error: extended character   is not valid in an identifier
a.cc:29:1: error: extended character   is not valid in an identifier
   29 |         else if(c == 'S') rep(i,3) roll_x();
      | ^
a.cc:29:1: error: extended character   is not valid in an identifier
a.cc:29:1: error: extended character   is not valid in an identifier
a.cc:29:1: error: extended character   is not valid in an identifier
a.cc:29:1: error: extended character   is not valid in an identifier
a.cc:29:1: error: extended character   is not valid in an identifier
a.cc:29:1: error: extended character   is not valid in an identifier
a.cc:29:1: error: extended character   is not valid in an identifier
a.cc:30:1: error: extended character   is not valid in an identifier
   30 |     }
      | ^
a.cc:30:1: error: extended character   is not valid in an identifier
a.cc:30:1: error: extended character   is not valid in an identifier
a.cc:30:1: error: extended character   is not valid in an identifier
a.cc:32:1: error: extended character   is not valid in an identifier
   32 |  
      | ^
a.cc:35:1: error: extended character   is not valid in an identifier
   35 |     rep(i,6)
      | ^
a.cc:35:1: error: extended character   is not valid in an identifier
a.cc:35:1: error: extended character   is not valid in an identifier
a.cc:35:1: error: extended character   is not valid in an identifier
a.cc:36:1: error: extended character   is not valid in an identifier
   36 |     {
      | ^
a.cc:36:1: error: extended character   is not valid in an identifier
a.cc:36:1: error: extended character   is not valid in an identifier
a.cc:36:1: error: extended character   is not valid in an identifier
a.cc:37:1: error: extended character   is not valid in an identifier
   37 |        �