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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
its a clever solution
as i understand you find the previous element and compare them
clever clever
GOT EM
"XXC" is NOT a valid roman numeral.
;))
solution("XXC") != 100
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This fails the number 1990 (MCMXC) from the description.
You are missing CM, CD, XC, XL, IX, IV.
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