Compilare: user.cpp: In function ‘int GetInt()’: user.cpp:23: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result user.cpp:27: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘int main()’: user.cpp:45: warning: operation on ‘Cmax’ may be undefined user.cpp:49: warning: operation on ‘Cmin’ may be undefined