Compilare: user.cpp: In function ‘void dcd()’: user.cpp:35:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[++y]=vl[c[--i]]; ^ user.cpp:46:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (vl[a[x]] < vl['&']) //?= ^ user.cpp:51:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] while (vl[a[x]]>=vl['&']) ^ user.cpp:71:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (vl[a[x]] < vl['|']) //?= ^ user.cpp:76:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] while (vl[a[x]]>=vl['|']) ^ user.cpp: In function ‘int main()’: user.cpp:113:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] vl[d[j]]=!vl[d[j]]; ^ user.cpp:113:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] vl[d[j]]=!vl[d[j]]; ^