Compilare: user.cpp: In function ‘void Update(int, int, int)’: user.cpp:19:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp: In function ‘void Read_and_Build()’: user.cpp:67:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(aux[ind]!=0) ^ user.cpp:71:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(aux[ind]==' ') ^ user.cpp:73:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(aux[ind]==0) ^ user.cpp:75:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(aux[ind]!=0 && aux[ind]!=' ') ^ user.cpp:75:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(aux[ind]!=0 && aux[ind]!=' ') ^ user.cpp:77:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(aux[ind]!='-') ^ user.cpp:78:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] Number[++ind2]=aux[ind]-'0'; ^ user.cpp:78:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] Number[++ind2]=aux[ind]-'0'; ^ user.cpp:79:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(aux[ind]=='-') ^