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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.
The description is not clear enough about how can the triple ou double number show up in the number and the example for the description is blank. Also, in the test cases, there is a 3 in num1 and a 2 in num2 but the expected output is 0, although 3 and 2 make triple and double of 1.
You guys forfeit algorithm creation.