Compilare: user.cpp: In function ‘int main()’: user.cpp:14:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] t[s[i]]++; ^ user.cpp:17:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ((t[s[i]]>1 && !q[s[i]]) || t[s[i]]==1) cout<<s[i],q[s[i]]++; ^ user.cpp:17:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ((t[s[i]]>1 && !q[s[i]]) || t[s[i]]==1) cout<<s[i],q[s[i]]++; ^ user.cpp:17:46: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ((t[s[i]]>1 && !q[s[i]]) || t[s[i]]==1) cout<<s[i],q[s[i]]++; ^ user.cpp:17:69: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ((t[s[i]]>1 && !q[s[i]]) || t[s[i]]==1) cout<<s[i],q[s[i]]++; ^