What your problem description asks for and what your test suite asks for are different. Specifically, test case 4 requires that the operation be commutative, which, by your problem statement, it is not (since the power function itself is not commutative). This is reflected in the other test cases as well. (also, you call your arguments x and y in the description and a and b in the template).
You are correct. I had the "and b^a" in there originally, but I accidentally deleted it when I added the "for 2≤a≤x and 2≤b≤y" text. It's fixed now, and the description should be a bit clearer.
Nice! What I do like about cody is that it introduces ppl to commands they may not normally use! I in effect 'hand made' a reshaped vector that I could have used this awesome function for o_O
Who knows the last digit of pi?
Back to basics 23 - Triangular matrix
Duplicate a character
Relative ratio of "1" in binary number
Singularity v5 (with apologies to the true hack masters)
Converting numbers back from extended form
Numbered lottery balls into cells
Circular Primes (based on Project Euler, problem 35)
Points on a Sphere
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