Compilare: user.cpp: In function ‘int main()’: user.cpp:31:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int ind = 0; ind < vDiv.size(); ++ind) ^ user.cpp:33:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (vStare.clear(), i = 0; i < vSol.size(); ++i) vStare.push_back(vSol[i]); ^ user.cpp:42:60: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (printf("%d\n", vSol.size()), i = 0; i < vSol.size(); ++i) ^ user.cpp:17:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("divizori.in","r",stdin); ^ user.cpp:18:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("divizori.out","w",stdout); ^ user.cpp:20:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^