Reverse Integer
You are given an integer, reverse its digits. For negative integers, the sign should remain in the front.
For instance, 12340 s...
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Integer Persistence, Product
Let's construct a sequence as follows: is a given natural number, and is the product of the digits of . The persistence of i...
Recursive triangle area
Given triangle 1 with sides of length a, b, and c. Triangle 2 is constructed within triangle 1 by bisecting each side. Triangl...