Compilare: user.cpp: In function ‘int main()’: user.cpp:41:11: warning: unused variable ‘f’ [-Wunused-variable] short f; ^ user.cpp:56:9: warning: unused variable ‘Sum’ [-Wunused-variable] int Sum(0); ^ user.cpp:14:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("numere6.in","r",stdin); ^ user.cpp:15:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("numere6.out","w",stdout); ^ user.cpp:16:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i %i", &A,&B); ^