Compilare: main.cpp: In function 'int main()': main.cpp:20:32: warning: array subscript has type 'char' [-Wchar-subscripts] if(ultlit[s[s.size()-1]]<(ultlit[s[0]]+1)) ^ main.cpp:20:46: warning: array subscript has type 'char' [-Wchar-subscripts] if(ultlit[s[s.size()-1]]<(ultlit[s[0]]+1)) ^ main.cpp:22:33: warning: array subscript has type 'char' [-Wchar-subscripts] ultlit[s[s.size()-1]]=ultlit[s[0]]+1; ^ main.cpp:22:46: warning: array subscript has type 'char' [-Wchar-subscripts] ultlit[s[s.size()-1]]=ultlit[s[0]]+1; ^ main.cpp:23:35: warning: array subscript has type 'char' [-Wchar-subscripts] venit[act]=curent[s[0]]; ^ main.cpp:24:33: warning: array subscript has type 'char' [-Wchar-subscripts] curent[s[s.size()-1]]=act; ^