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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.
I wish I knew what was going on here, cow b
What 牛B？一般的牛B ;-)
好好学习，真特么牛b
The bit shift trick will work upto length 30. Shifting 31 times will give you a negative number because of changing the sign bit.
After that, it just starts from 1 all over again.
You need to calculate the power the normal way for numbers which don't fit in the signed 32bit integer.
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