Loading collection data...
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.
Its just you have to create a matrix , if n is given, the matrix has to be of n * n.
Not an issue, the description is already very clear. If you still cannot get the grasp of it, maybe u can print the test cases in sample && random tests
Your code is adding those spaces.