← Questions

Numbers that are a sum of two squares in exactly two ways

0
GoogleCodingLast asked Oct 2025

Find the numbers up to a limit that can be written as a^2 + b^2 in exactly two different ways (unordered, with the agreed rule on zero). Enumerate pairs efficiently, count representations per number, and discuss how the limit affects memory and time.

Write and test your solution herePython in your browser, the question's tests level by level, every submission kept for you.Sign in to start coding