Check out Cody Problem 93: Calculate the Levenshtein distance between two strings for other solutions to this problem.
Back to basics 19 - character types
Sum of first n terms of a harmonic progression
Duplicate each element of a vector.
Permute diagonal and antidiagonal
Return area of square
Soccer - TOTO
Rotate a Matrix by 90 degrees
arrangement of symbols
Given a number find two variables
Replace Vector Elements
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