Compilare: user.cpp: In function ‘int main()’: user.cpp:30:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<divizori.size();i++) ^ user.cpp:32:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=i;j<divizori.size();j++) ^ user.cpp:41:29: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘std::set<std::pair<long long int, long long int> >::size_type {aka long unsigned int}’ [-Wformat=] printf("%d\n",sol.size()); ^ user.cpp: In function ‘void citire()’: user.cpp:12:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&b); ^ user.cpp: In function ‘int main()’: user.cpp:26:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("armonica.in","r",stdin); ^ user.cpp:27:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("armonica.out","w",stdout); ^