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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 fixed this.
There are errors if my code conatins
Array.prototype.xxxxx = function(){},after i removed this ,it passed the random tests;hi，i met the same issue,'board[x].map is not a function at randomBoard', what can i do to fix this?
it seems like '>=' cannot be dealt corrcectly in tests
hhhhhahha
bravo