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!
Replicate elements in vectors
Television Screen Dimensions
Area of a triangle
Find the nearest prime number
Expression or variable?
Mirror, mirror on the wall, who is fairest of them all?
Sum of big primes without primes
Narcissistic number ?
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