Compilare: user.cpp: In function ‘int main()’: user.cpp:13:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<s.size();i++){ ^ user.cpp:14:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(v[s[i]]==1)nTot++; ^ user.cpp:15:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(v[s[i]]==1&&v[s[i-1]]!=1)nCuv++; ^ user.cpp:15:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(v[s[i]]==1&&v[s[i-1]]!=1)nCuv++; ^ user.cpp:17:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(v[s[0]]==1) ^