Compilare: user.cpp: In function ‘void descompunere(long long int)’: user.cpp:51:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(ind < prime.size() && (long long) prime[ind] * prime[ind] <= n && n > 1) { ^ user.cpp: In function ‘int main()’: user.cpp:79:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ssnd.in", "r", stdin); ^ user.cpp:80:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ssnd.out", "w", stdout); ^ user.cpp:86:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &t); ^ user.cpp:88:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld", &a); ^