2021

HDU 5919 Sequence II September 10, 2021

Luogu P1552 【APIO2012】 Dispatching August 23, 2021

UOJ 402 【CTSC2018】 混合果汁 August 23, 2021

SPOJ DQUERY August 21, 2021

【CQOI 2015】 任务查询系统 March 19, 2021

2020

Luogu P2633 BZOJ 2588 Spoj 10628 Count on a tree December 14, 2020

2017

BZOJ 2588 Spoj 10628 Count on a tree September 2, 2017