Reverse the Words (not letters) of a String
Arrange Vector in descending order
Back to basics 4 - Search Path
Permute diagonal and antidiagonal
Generate this matrix
Number of paths on a 3d grid
Number of even divisors of a given number
Under the sea: Snell's law & total internal reflection
The number of trailing zero digit of a factorial
Make a rainbow matrix (follow-up to checkerboard matrix)
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