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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.
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nice work !
Quite true. Now I have to put in another solution to cover that case.
There is a problem with your code, but the test program did not take this into account.
"192.168.0.1" is a valid ip address, but is not in this case.
In that case, the Mars probe relying on this code is probably going to crash and burn, and we'll be lookng for a new job.
what if dups is greater than INT_MAX