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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.
Finally !!! Got the solution. Had to rewrite the whole code. My earlier code was not returning -1 when town was not in data. Thank you very much @g964 for the prompt reply.
I understand. Do you have any idea why the error is so?
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How does it check if n is positive?
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution