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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.
they expect you to use malloc to reallocate string on the heap, there is free() in test.
Look at the top of the page: 115 guys passed the C kata; if there were problems someone would have seen them. I tried a few solutions and all worked fine. Look at your code and don't post issues unless you are very sure of your code (working on your IDE with some tests is not sufficient). Cheers.
in C, I get this error:
Test Crashed
Exit code: 0
Signal code: 6
on IDE, everything works fine.