Write your own version of Frobenius Norm without using the 'norm' function.
Test if a Number is a Palindrome without using any String Operations
Construct a string from letters and counts
Make a run-length companion vector
Rotate input square matrix 90 degrees CCW without rot90
MATCH THE STRINGS (2 CHAR) very easy
Is A the inverse of B?
Find the "ordinary" or Euclidean distance between A and Z
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Find the nearest integer
Pythagorean perfect squares: find the square of the hypotenuse and the length of the other side
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