Orange Boy Can You Solve It Out? Ep. 61

XGN • 2024年5月22日 pm10:13 • OBCYSIO, 题&解

思考题 from Maths homework again...

数学小题两道

You are given a bipartite graph $G$ , find a proper coloring of the complement of $G$ that uses minimum colors.

$|G|\leq 100$

Given integer $N$ . Find any $n\geq N$ such that $n+\varphi(n)$ is a perfect square, where $\varphi(n)$ is the Euler Totient Function.

$N\leq 10^9$

Brute force might work well under this limit 😛

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