浅念づ昔夜's Blog

07-14

ABC362E Count Arithmetic Subsequences

07-11

CF1223F Stack Exterminable Arrays

07-01

CF1982D Beauty of the mountains

06-30

CF1989D Smithing Skill

06-26

CF1982C Boring Day

06-24

CF1986F Non-academic Problem

06-24

CF1986E Beautiful Array

06-23

KMP

06-23

USACO2.3 最长前缀 Longest Prefix

05-28

Set 和 muitiset