Compilare: user.cpp: In function ‘int main()’: user.cpp:38:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] pos[i] = posDP[lo(str[i])]; ^ user.cpp:39:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] len[i] = lenDP[lo(str[i])] + 1; ^ user.cpp:41:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (len[i] > lenDP[hi(str[i])]) { ^ user.cpp:42:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] posDP[hi(str[i])] = i; ^ user.cpp:43:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] lenDP[hi(str[i])] = len[i]; ^