Compilare: user.cpp: In function ‘int main()’: user.cpp:59:25: warning: value computed is not used [-Wunused-value] cout<<cb<"\n"; ^ user.cpp:70:27: warning: value computed is not used [-Wunused-value] cout<<cb+1<"\n"; ^ user.cpp: In function ‘int caut_bin(int)’: user.cpp:23:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:28:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.in","r",stdin); ^ user.cpp:29:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.out","w",stdout); ^