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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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(""+n), it made me confused ,and i don't want to baidu.lol
good sign
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hard to understand
haha, 4 years ago, long time no see, nice to meet you , i am fine ,thank you, xixi
How beautiful Linq is!
i can't understand this question!T^T
How beautiful the Recursion is!
what?haha
why i failed in random test, log show expect:9.4800000000006d, but was:9.4799999999999997d,"Round" doesn't work?
Omg
oh my god!
Why could this be a kata?
It is a math question, not is program question!
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