Definition Given some string return an integer whose digits are the number ocurrences of a-z (case insensitive) in that string. Any character with 0 instances is skipped. Characters with 10 or more instances will define 2 or more digits of the returned integer. For example, aaaaaaaaaaaaaaaaaaaaaa...

Definition Given some string return an integer whose digits are the number ocurrences of a-z (case insensitive) in that string. Any character with 0 instances is skipped. Characters with 10 or more instances will define 2 or more digits of the returned integer. For example, aaaaaaaaaaaaaaaaaaaaaa...