Count the number of primes less than 'n'.
Nice test cases!
With a more robust Test Suite many/most of the submissions would fail for ignoring the Problem Statement instruction that primes must be less than n. Please add test cases in which the input x (or "n") is itself a prime.
Return the largest number that is adjacent to a zero
Generate N equally spaced intervals between -L and L
matrix of natural number
Let's get back to school, and create multiplication tables
Product of Array
Create a constant offset.
Display negative numbers
Sum of cubes
Roots of a quadratic equation.
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