Compilare: user.cpp: In function ‘long long int get_int()’: user.cpp:79:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(!digit[x]) ^ user.cpp:90:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(digit[x]) ^ user.cpp: In function ‘void disk(int)’: user.cpp:184:20: warning: narrowing conversion of ‘nrmeu’ from ‘int’ to ‘short unsigned int’ inside { } [-Wnarrowing] h.push(heap{nrmeu}); ^ user.cpp:221:22: warning: narrowing conversion of ‘nrmeu’ from ‘int’ to ‘short unsigned int’ inside { } [-Wnarrowing] h.push(heap{nrmeu}); ^ user.cpp: In function ‘char get_char()’: user.cpp:66:29: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(BUF,SBUF,1,in); ^