Generate the first n terms of a periodic sequence defined as
f(x) = 0, 2, 0, -2, 0, 2, 0, -2, ..., for x = 1, 2, 3, 4, 5, 6, 7, 8, ...
Determine if a Given Number is a Triangle Number
Flip the main diagonal of a matrix
Area of a Square
Cumulative product of a vector
Your favourite city!
Generating random matrix with given probability mass function
Cody meets Xiangqi: foresee the unseen (Part 1)
Combine the first and last names
Spot the First Occurrence of 5
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