Autocompletion

Прокат велосипедов

Места в самолёте

模拟

Красивая команда

Пограничные врата

Peculiar apple-tree

Game with String

Teodor is not a liar!

Game with Tokens

Coins Exhibition

动态规划 DP · 离散化 · 排序

Friends Meeting

模拟

World Cup

Laboratory Work

Palindromic Supersequence

字符串

Recursive Queries

Permutation Cycle

构造

Tree

倍增

Team Work

Escape Through Leaf

线段树 · 树形 DP · 李超线段树 · 线段树合并

Palindrome Partition

A Twisty Movement

动态规划 DP · 线段树 · 枚举 · 前缀和

A Determined Cleanup

A Colourful Prospect

A Creative Cutout

A Preponderant Reunion

动态规划 DP · 动态规划优化 · 构造 · Ad-hoc

A Compatible Pair

贪心 · 枚举 · 排序

A Prosperous Lot

贪心 · 构造

Fafa and his Company

数学 · 枚举 · 概率论

Fafa and the Gates

Fifa and Fafa

Fafa and Ancient Alphabet

Fafa and Ancient Mathematics

Fafa and Array

Save Energy!

Sleepy Game

Lock Puzzle

World of Tank

Iqea

Olympiad

素数判断,质数,筛法 · 概率论

Vile Grasshoppers

枚举 · 素数判断,质数,筛法

Word Correction

字符串 · 枚举

Run For Your Prize

Constructing Tests

Buy a Ticket

图论建模 · 最短路

Max History

Erasing Substrings

Shortest Path Queries

线段树分治

Love Triangle

Hamster Farm

模拟 · 枚举

Convenient For Everybody

前缀和