Permute diagonal and antidiagonal
For example [1 2 3;4 5 6;7 8 9] -> [3 2 1;4 5 6;9 8 7]
WITHOUT diag function (and variable name)
"max(...)" is clever!
Finding Perfect Squares
Reindex a vector
Flag largest magnitude swings as they occur
Detect a number and replace with two NaN's
Longest Collatz Sequence
Add more zeros
Numbers spiral diagonals (Part 1)
Without the French accent please!
Decrypt the cypher using XOR encryption (for beginners)
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