Scheme

You're Given a String...

字符串 · 枚举

Party

Oranges and Apples

Tetragon

Tree

树形 DP

Ring road

F1 Champions

模拟

Sequence of points

Broken robot

动态规划 DP · 期望 · 高斯消元

Berland collider

IQ test

Phone numbers

模拟 · 字符串

Roads in Berland

最短路

Roads not only in Berland

Test

字符串 · 枚举 · KMP 算法

Almost Prime

枚举 · 剪枝 · 素数判断,质数,筛法

Regular Bracket Sequence

栈

Parquet

Tickets

Multithreading

Next Test

枚举 · 概率论

Tournament

Unordered Subsequence

Ring Road 2

2-SAT · 二分图

Number With The Given Amount Of Divisors

剪枝 · 素数判断,质数,筛法

Bender Problem

pSort

图论 · 并查集

Bath Queue

Don't fear, DravDe is kind

DravDe saves the world

Spit Problem

模拟 · 枚举 · 排序

Traffic Lights

Mail Stamps

Ant on the Tree

Quarrel

Accounting

Codeforces World Finals

Shooting Gallery

King's Problem?

Tricky and Clever Password

Worms Evolution

Sysadmin Bob

模拟 · 字符串

Schedule

Chocolate

模拟 · 排序

TV Game

Reconnaissance

Borze

模拟 · 字符串

Flea

Constellation