DZY Loves Modification

DZY Loves Fibonacci Numbers

数学 · 线段树 · Fibonacci 数列

DZY Loves Games

DZY Loves Bridges

DZY Loves Hash

DZY Loves Strings

Rewards

Suffix Structures

Painting Fence

贪心 · 递归 · 分治

Multiplication Table

模拟 · 二分 · 枚举

Divisors

Jzzhu and Chocolate

Jzzhu and Cities

图论 · 最短路

Jzzhu and Apples

枚举 · 素数判断,质数,筛法 · 栈

Jzzhu and Numbers

枚举 · 状态合并 · 容斥原理

Jzzhu and Squares

Jzzhu and Children

Jzzhu and Sequences

Game With Sticks

Sort the Array

Predict Outcome of the Game

Count Good Substrings

Devu and Flowers

数学 · 状态合并 · 进制 · 组合数学 · 容斥原理

Eevee

4-point polyline

Magic Trick

Washer, Dryer, Folder

队列

Three strings

Permutation

Little Pony and Expected Maximum

动态规划 DP · 期望

Little Pony and Harmony Chest

动态规划 DP · 数论 · 素数判断,质数,筛法 · 状压 DP

Little Pony and Summer Sun Celebration

Little Pony and Elements of Harmony

数学 · 快速沃尔什变换 FWT

Little Pony and Lord Tirek

Little Pony and Crystal Mine

模拟 · 字符串

Little Pony and Sort by Shift

Boredom

动态规划 DP

A Lot of Games

博弈论 · 递归 · 树形 DP · 字典树 Trie

Civilization

Serega and Fun

线段树 · 平衡树 · 分块

Function

Laptops

贪心 · 枚举 · 排序

Fedya and Maths

数学

Golden System

Distributed Join

Elections

Bingo!

Flow Optimality

An easy problem about trees

Pashmak and Garden