Compilare: user.cpp: In function ‘int main()’: user.cpp:49:11: warning: unused variable ‘nr1’ [-Wunused-variable] short nr1,nr2; ^ user.cpp:49:15: warning: unused variable ‘nr2’ [-Wunused-variable] short nr1,nr2; ^ user.cpp:44:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zmeu2.in","r",stdin); ^ user.cpp:45:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zmeu2.out","w",stdout); ^