Compilare: user.cpp: In function ‘void Descomp(long long int)’: user.cpp:22:15: warning: unused variable ‘d’ [-Wunused-variable] long long d=3; ^ user.cpp: In function ‘int main()’: user.cpp:57:11: warning: unused variable ‘i’ [-Wunused-variable] int T,i; ^ user.cpp:58:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("pinex.in","r",stdin); ^ user.cpp:59:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("pinex.out","w",stdout); ^ user.cpp:63:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &T); ^ user.cpp:66:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld", &A,&B); ^