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.
Factorize THIS, buddy
select the primes of a vector
Find product of eigenvalues of n*n magic matrix.
Solve expression II
Find cosine between two given vectors u and v.
Convert array of decimal numbers into binary numbers array.
Delete x value in given vector y.
Get derivarive of polynomial given as vector array.
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