Given the radius is 2, the circumference will be 12.5663.
Hello, Yeo Kai Shun. Two tips for creating Problems in Cody: (1) do not disclose the solution method within your Test Suite; (2) consider including an allowance for slight rounding in submitted answers [e.g. submission that are just 0.01% more or less than the 'exact' solution]. —DIV
Sum all integers from 1 to 2^n
Whether the input is vector?
We love vectorized solutions. Problem 1 : remove the row average.
Who invented zero?
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