Compilare: user.cpp: In function ‘void Scanf(int&)’: user.cpp:35:58: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if( ++poz == DIM )fread(buff,1,DIM,stdin),poz = 0; ^ user.cpp:38:58: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if( ++poz == DIM )fread(buff,1,DIM,stdin),poz = 0; ^ user.cpp: In function ‘int main()’: user.cpp:104:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dmin.in","r",stdin); ^ user.cpp:105:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dmin.out","w",stdout); ^