数论分类

2022

03-03

(cf1139d) Steps to One

02-22

(sp4168)Square-free integers

2021

12-21

(CF906D)Power Tower

11-14

(luogu5495) Dirichlet 前缀和

07-11

(luogu4139) 上帝与集合的正确用法

2020

12-06

(luogu4884) 多少个 1?

11-03

10-07

(luogu1516) 青蛙的约会

10-04

(luogu1072) Hankson 的趣味题

09-13

(CF1407C) Chocolate Bunny

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