Compilare: user.cpp: In function ‘void citeste(long long int&)’: user.cpp:13:43: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,DIM,fin),poz=0; ^ user.cpp:19:43: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,DIM,fin),poz=0; ^ user.cpp: In function ‘int main()’: user.cpp:88:18: warning: ‘ii’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i=ii+1;i<=n;i++) ^