Funny Game

动态规划 DP · 博弈论

Video Cards

Buy a Shovel

模拟 · 搜索 · 数学

Cormen — The Best Friend Of a Man

Sanatorium

Exams

Sockets

贪心 · 优先队列 · 队列

Tourist Reform

图论 · Tarjan

Grasshopper And the String

模拟 · 字符串

Parade

Epidemic in Monstropolis

模拟 · 贪心

Kostya the Sculptor

Sleep in Class

Drivers Dissatisfaction

Anton and Danik

Anton and Digits

Anton and Making Potions

Anton and Chess

Anton and Tree

并查集 · 强连通分量 · 树的直径

Anton and School

Ostap and Grasshopper

Urbanization

Tennis Championship

贪心 · 递推

Taxes

数学 · 素数判断,质数,筛法

Ostap and Tree

Permutations

Chess Championship

Tanya is 5!

网络流 · 二分图

Dirty plates

Alyona and mex

Alyona and a tree

深度优先搜索 DFS · 前缀和 · 差分

Alyona and towers

线段树

Recover a functional graph

Gosha is hunting

二分 · 凸完全单调性（wqs 二分） · 费用流 · 期望

Alyona and copybooks

Alyona and flowers

Arpa's loud Owf and Mehrdad's evil plan

Arpa's weak amphitheater and Mehrdad's valuable

并查集 · 背包 DP

Arpa’s overnight party and Mehrdad’s silent entering

二分图 · 构造

Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths

树上启发式合并

Arpa’s abnormal DNA and Mehrdad’s deep interest

ST 表 · 后缀数组 SA · 根号分治

Arpa’s hard exam and Mehrdad’s naive cheat

Arpa’s obvious problem and Mehrdad’s terrible solution

Vladik and flights

Chloe and the sequence

Vladik and fractions

数学 · 构造

Chloe and pleasant prizes

Vladik and cards

枚举 · 剪枝 · 状态合并 · 向量

Hongcow Builds A Nation

Hongcow's Game