Compilare: user.cpp: In function ‘int main()’: user.cpp:13:23: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 2 has type ‘long int*’ [-Wformat=] if(scanf("%lld",&t)); ^ user.cpp:10:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] { freopen("chiftea.in","r",stdin); ^ user.cpp:11:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("chiftea.out","w",stdout); ^