Compilare: user.cpp: In function ‘void Div(long long int&, long long int&, long long int*, long long int*)’: user.cpp:20: warning: left-hand operand of comma has no effect user.cpp: In function ‘int main()’: user.cpp:46: warning: comparisons like ‘X<=Y<=Z’ do not have their mathematical meaning user.cpp:35: warning: unused variable ‘aux’ user.cpp:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result