First test case is invalid. Please fix it.
I have fixed it.
and the fourth...
It must be OK now!
Tic Tac Toe FTW
Alphabetize by last name
Renaming a field in a structure array
Getting the indices from a vector
Find a Pythagorean triple
Check if the input is a balanced prime
Dealing with correlation results!
Your favourite city!
Decrypt a secret message!
Make visible max values
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