Compilare: user.cpp: In function ‘int main()’: user.cpp:30:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] if( !parcurs[s[u]] ) ^ user.cpp:31:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] parcurs[s[u]] = 1, nr++; ^ user.cpp:32:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] else parcurs[s[u]]++; ^ user.cpp:43:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] parcurs[s[p]]--; ^ user.cpp:44:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!parcurs[s[p]]) ^ user.cpp:23:41: warning: unused variable ‘l’ [-Wunused-variable] int p = 1, u = 0, maxx = 0, nr = 0, l,soli, solf; ^