Compilare: user.cpp: In function ‘int main()’: user.cpp:27:27: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 2 has type ‘std::vector<long long int>::size_type {aka unsigned int}’ [-Wformat=] printf("%lld\n",sol.size()); ^ user.cpp:7:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lantaditiv.in","r",stdin); ^ user.cpp:8:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lantaditiv.out","w",stdout); ^ user.cpp:10:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&n); ^