verificare permutare

@int cate_cifre(long long a, int c)
{ int ap = 0; while(a) { if(a % 10 == c) ap++; a /= 10; } return ap;
}

bool e_permutare(long long a, long long b)
{ for(int c = 0; c <= 9; c++) { if(cate_cifre(a,c) != cate_cifre(b,c)) return false; } return true;
}@