Compilare: user.cpp: In function ‘void descompunere(long long int)’: user.cpp:25:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(ind < prime.size() && n > 1 && (long long)prime[ind] * prime[ind] <= n) { ^ user.cpp: In function ‘long long int pinex(long long int)’: user.cpp:48:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < fact.size(); ++ j) { ^ user.cpp: In function ‘int main()’: user.cpp:78:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("frac.in", "r", stdin); ^ user.cpp:79:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("frac.out", "w", stdout); ^ user.cpp:83:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld", &n, &p); ^