Hash Code

Print Rev Comb

Print all combinations of 3 distinct digits in descending reverse order.

We Are Unique

Count characters that appear in one string or the other, but not both.

Zip String

Compress consecutive repetitive characters into count-character run-length encoded pairs.

Concat Alternate

Interleave elements of two arrays or strings alternately into a single result.

Wdmatch

Check if the first string can be formed by characters in the second string in matching order.

Hiddenp

Determine whether string s1 is hidden as a subsequence inside string s2.