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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.
expected: 10(A)x10! + 0x9! + .... +0x0! ...
I love this kata. First I made it so that only basic tests came out, and then basic and random tests and finally all of them.
I'm still weak in algorithms, but the time limitation gave this kata a kick.
"You are given a string of n lines, each substring being n characters long." If you have 8 lines, you must have 8 sized string in each line.