Compilare: user.cpp: In function ‘int main()’: user.cpp:28:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[s[i]]++; ^ user.cpp:42:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] if( c[s[i]] == maxim ) ^ user.cpp:47:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] st[i] = i - c[s[i-1]]; ^ user.cpp:51:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] dr[i] = i + c[s[i-1]]; ^