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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.
iam not native english speaker maybe this is the reason for poor understanding.
but this line
The digit frequencies are 1 x 0, 9 x 1, 6 x 2 etc...confusingall you need is to count the numbers
145 has 1,4,5 numbers so result = [0,1,0,0,1,1,0,0,0,0]
Any suggestions for improvement?
horrible description for 7 kyu
but iam very satisfied solving it
I really can't understnad this problem, can someone help me please..