Compilare: main.cpp:17:36: warning: always_inline function might not be inlinable [-Wattributes] __attribute__((always_inline))void read(int &nr) ^~~~ main.cpp: In function 'void read(int&)': main.cpp:21:41: 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,nmax,fin),poz=0; ^ main.cpp:26:41: 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,nmax,fin),poz=0; ^