LCM

Colored Rooks

Find a Number

广度优先搜索 BFS

Berkomnadzor

Cloud Computing

线段树 · 扫描线

Garbage Disposal

Getting Deals Done

Debate

Monsters and Potions

BerOS File Suggestion

字符串

Privatization of Roads in Berland

Streets and Avenues in Berhattan

Video Posts

Odd Federalization

高斯消元 · 构造

Algoland and Berland

凸包

Rain Protection

Diverse Substring

字符串 · 枚举 · 概率论

Vasya and Books

栈

Vasya and Robot

二分 · 枚举 · 前缀和

Berland Fair

模拟 · 枚举

Segment Sum

动态规划 DP · 数位 DP · 状态合并 · 状压 DP

Choosing Two Paths

Yet Another LCP Problem

字符串 · 图论 · 后缀自动机 SAM · 虚树 · 后缀数组 SA · 后缀树

The King's Race

模拟

Taxi drivers and Lyft

Minimizing the String

Divisor Subtraction

Meme Problem

模拟 · 数学 · 二分

Edge Deletion

最短路

Vasya and a Tree

Summer Practice Report

Array Game

Frog Jumping

Disturbed People

Good Array

Cutting Out

Thematic Contests

Pictures with Kittens (hard version)

动态规划 DP · 单调队列

Pictures with Kittens (easy version)

Negative Time Summation

Petya and Origami

Margarite and the best present

Masha and two friends

Olya and magical square

Sonya and Matrix Beauty

Katya and Segments Sets

Definite Game

Farewell Party

Colorful Bricks

Maximum Distance