688-521=167 Got wrong!
Extract leading non-zero digit
Renaming a field in a structure array
Connect Four Win Checker
Reverse the vector
It's race time again! Write a function that is at least twice as fast as the test suite call of repmat().
It's race time! Write a faster function than the test suite call of unique().
Create matrix of replicated elements
Determine the number of odd integers in a vector
Penny flipping - calculate winning probability (easy)
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