Language: C++

#include <iostream>
#include <cmath>
#include <string>
#include <string.h>
#include <cstdlib>
#include <iomanip>
#include <stdio.h>

using namespace std;

class Dice {
  private:
   int face[6];

  public:
    int getTop();
    int getFace(int);
    void setFace(int label,int value);
    void turnOver(char dir);
    void debugOut();
    bool compare0(Dice dice);
    bool compare1(Dice dice);
    bool compare2(Dice dice);
    bool compare3(Dice dice);
    bool compare4(Dice dice);
    bool compare5(Dice dice);
    bool compare(Dice dice);
};

int Dice::getTop(){
  return face[0];
}

int Dice::getFace(int i){
  return face[i];
}

void Dice::setFace(int label,int value){
  if(label>5) return;
  face[label] = value;
}

void Dice::turnOver(char c){
  int tmp;
  if(c=='N'){
    tmp = face[0];
    face[0] = face[1]; face[1] = face[5];
    face[5] = face[4]; face[4] = tmp; // face[0]
  }

  if(c=='S'){
    tmp = face[0];
    face[0] = face[4]; face[4] = face[5];
    face[5] = face[1]; face[1] = tmp; //face[0]
  }

  if(c=='E'){
    tmp = face[0];
    face[0] = face[3]; face[3] = face[5];
    face[5] = face[2]; face[2] = tmp; //face[4]
  }

  if(c=='W'){
    tmp = face[0];
    face[0] = face[2]; face[2] = face[5];
    face[5] = face[3]; face[3] = tmp; //face[4]
  }
}

void Dice::debugOut(){
    for(int i=0;i<6;i++)
      printf("%d,",face[i]);
    putchar('\n');
}

bool Dice::compare0(Dice dice){
  for(int e=0;e<3;e++){
    for(int n=0;n<3;n++){
      if(getFace(0)==dice.getFace(0)) {
        return true;
      }
      turnOver('N');
    }
    turnOver('E');
  }
  return false;
}

bool Dice::compare1(Dice dice){
   if(getFace(0)!=dice.getFace(0))
        return false;

  for(int i=0;i<3;i++){
    if(getFace(1)==dice.getFace(1))
      return true;

    turnOver('W');
    turnOver('S');
    turnOver('E');
  }
  return false;
}

bool Dice::compare2(Dice dice){

   if(getFace(0)!=dice.getFace(0))
        return false;
   if(getFace(1)!=dice.getFace(1))
        return false;

   if(getFace(2)!=dice.getFace(2))
        return false;
   return true;
}

bool Dice::compare3(Dice dice){

   if(getFace(0)!=dice.getFace(0))
        return false;
   if(getFace(1)!=dice.getFace(1))
        return false;
   if(getFace(2)!=dice.getFace(2))
        return false;

   for(int i=0;i<3;i++){
     if(getFace(3)==dice.getFace(3))
       return true;

     turnOver('E');
     turnOver('S');
     turnOver('S');
   }
   return false;
}

bool Dice::compare4(Dice dice){

   if(getFace(0)!=dice.getFace(0))
        return false;
   if(getFace(1)!=dice.getFace(1))
        return false;
   if(getFace(2)!=dice.getFace(2))
        return false;
   if(getFace(3)!=dice.getFace(3))
        return false;
   if(getFace(4)!=dice.getFace(4))
        return false;

   return true;
}

bool Dice::compare5(Dice dice){

   if(getFace(0)!=dice.getFace(0))
        return false;
   if(getFace(1)!=dice.getFace(1))
        return false;
   if(getFace(2)!=dice.getFace(2))
        return false;
   if(getFace(3)!=dice.getFace(3))
        return false;
   if(getFace(4)!=dice.getFace(4))
        return false;
   if(getFace(5)!=dice.getFace(5))
        return false;

   return true;
}

bool Dice::compare(Dice dice){
  if(compare0(dice)) {
   if(compare1(dice))
    if(compare2(dice))
      if(compare3(dice))
        if(compare4(dice))
          if(compare5(dice))
            return true;
  }
  return false;
}


Compiler output:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status