A number is called 8-substring-friendly if every one of its digits belongs to a 8-substring. For example, 352114 is 8-substring-friendly, but 26(5)44 is not. For a given n, find T(n) the number of ...
Retrieves a substring of some input and sets the specified output variable. This variable can be accessed via steps.<step_id>.outputs.<output_name>. value Value that the substring will be obtained ...