Compilare: user.cpp: In function ‘int main()’: user.cpp:20:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ( t[s[l-1]]<t[s[0]]+1) {t[s[l-1]]=t[s[0]]+1; p[n]=t1[s[0]]; t1[s[l-1]]=n;} ^ user.cpp:20:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ( t[s[l-1]]<t[s[0]]+1) {t[s[l-1]]=t[s[0]]+1; p[n]=t1[s[0]]; t1[s[l-1]]=n;} ^ user.cpp:20:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ( t[s[l-1]]<t[s[0]]+1) {t[s[l-1]]=t[s[0]]+1; p[n]=t1[s[0]]; t1[s[l-1]]=n;} ^ user.cpp:20:53: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ( t[s[l-1]]<t[s[0]]+1) {t[s[l-1]]=t[s[0]]+1; p[n]=t1[s[0]]; t1[s[l-1]]=n;} ^ user.cpp:20:72: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ( t[s[l-1]]<t[s[0]]+1) {t[s[l-1]]=t[s[0]]+1; p[n]=t1[s[0]]; t1[s[l-1]]=n;} ^ user.cpp:20:85: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ( t[s[l-1]]<t[s[0]]+1) {t[s[l-1]]=t[s[0]]+1; p[n]=t1[s[0]]; t1[s[l-1]]=n;} ^ user.cpp:21:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (t[s[s.size()-1]]>M) {M=t[s[s.size()-1]]; y=n; } } ^ user.cpp:21:51: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (t[s[s.size()-1]]>M) {M=t[s[s.size()-1]]; y=n; } } ^