Compilare: user.cpp: In function ‘int main()’: user.cpp:28:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] D[cuv[1][strlen (cuv[1]) - 1]] = make_pair (1, 1); ^ user.cpp:30:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (D[cuv[i][0]].first + 1 > D[cuv[i][strlen (cuv[i]) - 1]].first) { ^ user.cpp:30:67: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (D[cuv[i][0]].first + 1 > D[cuv[i][strlen (cuv[i]) - 1]].first) { ^ user.cpp:31:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] D[cuv[i][strlen (cuv[i]) - 1]].first = D[cuv[i][0]].first + 1; ^ user.cpp:31:63: warning: array subscript has type ‘char’ [-Wchar-subscripts] D[cuv[i][strlen (cuv[i]) - 1]].first = D[cuv[i][0]].first + 1; ^ user.cpp:32:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] T[i] = D[cuv[i][0]].second; ^ user.cpp:33:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] D[cuv[i][strlen (cuv[i]) - 1]].second = i; ^