Count how many times given word x repeats in text.
The phrasing of the Problem Statement is not correct. The string "When you finish ..., you will be told .... You can then .... You can also ...." contains FOUR instances of the WORD "you". "You", "YOU" and "you" are all examples of the _word_ "you". The Problem Statement should say that the player must find occurrences of the provided text-pattern of the same case within the given text.
Test for balanced parentheses
inner product of two vectors
First N Perfect Squares
Is it prime?
Delete x value in given vector y.
Convert array of decimal numbers into binary numbers array.
Find hen's weight.
For given vectors x,y find coresponding spline coefficients.
Calculate roots of polynomial given as vector array.
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