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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 test cases are wrong. It shows an expected output with numbers that aren't in the original matrix, besides i had to click on the attempt button several times without changing the code until it finally marked my solution as correct.
You've made me laugh!!! ;)
I did this challenge in C and works in all computers and online compilers that I was tried except hte integrated in the challenge, it yields an invalid memory access error, but only here happens. I don't know why...