C++

What is the output of the following program? MUST show all steps with a diagram to get full credit. struct st fint info; struct st next; struct st "list, *ptr; ist new st; list->info -20; ptr = new st; ptr-> info = 36; ptr-> next: NULL; list-> next = ptr; ptr = new st; ptr-> info = 40; ptr-> next = list; list ptr; while ( ptr != NULL ) cout info next