Closest Equals

线段树 · 树状数组 · 扫描线

Rotate, Flip and Zoom

模拟 · 字符串

Mean Requests

Name Quest

Statistics of Recompressing Videos

Возможно, вы знаете этих людей?

Фото на память - 2 (round version)

The Art of Dealing with ATM

Social Network

Rooks and Rectangles

And Yet Another Bracket Sequence

Vitaliy and Pie

Pasha and String

字符串 · 线段树

Ilya and Sticks

Arthur and Walls

Anya and Cubes

搜索 · 枚举 · 剪枝 · 折半搜索 meet in the middle

King of Thieves

Om Nom and Dark Park

Om Nom and Candies

数学 · 数论

Om Nom and Necklace

Transmitting Levels

Pudding Monsters

线段树 · 分治 · 扫描线 · 单调栈

Spiders Evil Plan

Playing with Paper

Error Correct System

Glass Carving

线段树 · 排序

Clique Problem

贪心 · 排序 · 构造

Data Center Drama

Fuzzy Search

快速傅里叶变换 FFT

Triangles 3000

Group Photo 2 (online mirror version)

贪心 · 枚举 · 排序

Berland Miners

Work Group

Board Game

博弈论

Landmarks

Correcting Mistakes

字符串

Encoding

Exam

Covered Path

Polycarpus' Dice

Handshakes

Berland Local Positioning System

Simplified Nonogram

Tavas and Nafas

Tavas and SaDDas

Tavas and Karafs

Tavas and Malekas

字符串 · KMP 算法

Tavas and Pashmaks

排序 · 栈 · 凸包

Tavas in Kansas

Tavas on the Path