JavaScript
@rscharfer Don't modify the passed argument inp

In the example has solve("v") = True but not tested in Java Test Cases.

Also why The Wall blocks your way has no full stop but You do not have a ship to cross this sea.

Very similar to Don't Eat the Last Cake!
https://www.codewars.com/kata/dont-eat-the-last-cake

Nice Kata.

• Somewhere in description Storm is spelled wrongly as Strom.
• Need random tests. See https://github.com/Codewars/codewars.com/wiki/Codewars-JavaScript-Test-Framework#utilities
• You swapped the arguments in Test.assertEquals(actual, expected[, msg]).
• In Headlines format, a whitespace is required between # and the text.

Also, add a for-loop to test it maybe 1000 times at least.

I mean the 22 AminoAcids.

The pitfall of HashMap is about hash code collision and rehash right?
Such collision will cause extra LinkedList-style traversal.

I made a HashMap<Protein, Set<proteinId>>. Failed at test_4_500000. Any clue?

You're right

Thx for the reply