UVA - 253 Cube painting

#include<iostream>
#include<cstdio>
#include<string.h>
#include<stdlib.h>
#include<cmath>
using namespace std;
char s[15];
char cube[2][6];
char tmp[2][6];
bool same(int i,int j) {
if(cube[0][i] == cube[1][j] && cube[0][5-i] == cube[1][5-j]) {
cube[0][i] = cube[1][j] = cube[0][5-i] = cube[1][5-j] = '0';
return true;
}
if(cube[0][i] == cube[1][5-j] && cube[0][5-i] == cube[1][j]) {
cube[0][i] = cube[1][5-j] = cube[0][5-i] = cube[1][j] = '0';
return true;
}
return false;
}
int main() {
while(scanf("%s", s) != EOF) {
int tag = 0;
for (int i = 0; i < 2; i++)
for (int j = 0; j < 6; j++)
tmp[i][j] = s[tag++];

while(1) {
tag = 0;
strcpy(cube[0], tmp[0]);
strcpy(cube[1], tmp[1]);
int i, j;
for(i = 0; i < 3; i++)
for(j = 0; j < 3; j++)
if(cube[0][i] != '0' && cube[1][j] != '0' && same(i, j))
tag++;
if (tag == 3) { tag = 1; break;}
else if (i == 3) { tag = 0; break;}
}
printf(tag?"TRUE\n":"FALSE\n");
}
return 0;
}