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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.
A hundred lines...
But performance seems to be just fine: my program counted the number of all ones from 1 to 999999999999999999 instantly.
It was a very interesting kata, I liked it.
Solved the task using permutations with repetition.
Scala translation
Nice kata, great to practice with, well done.
Unless description was changed:
Heads up. Both left and right are included in the count. I wasted nearly an hour wondering why my result was off by a tiny amount
This comment is hidden because it contains spoiler information about the solution
D translation
PHP Translation. Please review and approve.
approved
Approved
This comment is hidden because it contains spoiler information about the solution
approved
approved
Go translation.
Rust translation (author is inactive).
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