There is something wrong. The solution I submit is not the solution I edited instead of original file.
I was intrigued by this identity, but the straightforward approach scores better in Cody.
Test for balanced parentheses
How to subtract?
Pi Digit Probability
Plot Damped Sinusoid
Find the max element of the array
Find integer solutions to an equation with a sum of binomial coefficients
Solve a Weird Calculator puzzle
Compute the effective conductivity of a heterogeneous aquifer
Count the ways to draw non-intersecting chords between points on a circle
Count the square-full divisors of a number
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