C20250001

UID: 7, Registered at 2 years ago, last login at 3 days ago, currently offline.

Solved 5 problems, RP: 29 (No. 21)

♂

$\frac{LXX}{LT}=\lim\limits_{n\to+\infty}\frac{\pi(n)}{\frac{n}{\ln n}}$

你不认识你。你对你的实力没有调研。你不了解你的训练。

P1861A

This person is lazy and didn't write any solutions.

math: 3
brute force: 2
greedy: 2
constructive algorithms: 2
implementation: 1
strings: 1
combinatorics: 1
dp: 1