Loading collection data...
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.
Expected is
11
. Your result is9
.Which language?
You can insert a print statement see what the input is.
Everything is fine in C and JS. Maybe your code is wrong?
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