2022

LOJ 6519 魔力环 February 22, 2022

2021

莫比乌斯反演 September 4, 2021

数论笔记 August 22, 2021

组合数学笔记 August 22, 2021

线性基 March 6, 2021

CRT 中国剩余定理 February 7, 2021

原根 January 22, 2021

2017

BZOJ 3771 Triple August 1, 2017

BZOJ 3527 [Zjoi2014]力 July 13, 2017

BZOJ 2194 快速傅立叶之二 July 12, 2017