Phoenix and Computers

动态规划 DP · 区间 DP · 生成函数

Phoenix and Earthquake

Phoenix and Odometers

Phoenix and Bits

Phoenix and Diamonds

Tit for Tat

AGAGA XOOORRR

Baby Ehab Partitions Again

Cut

倍增

Baby Ehab Plays with Permutations

Sum of 2050

Morning Jogging

Fillomino 2

Explorer Space

Group Photo

Reunion

树形 DP

Starry Night Camping

最小割

Fly Around the World

Red and Blue Beans

The Cake Is a Lie

Berland Regional

Maximum Sum of Products

Off by One

Chests and Keys

动态规划 DP · 二分图

Do Not Be Distracted!

Ordinary Numbers

Not Adjacent Matrix

Same Differences

Arranging The Sheep

Guess the K-th Zero (Hard version)

二分 · 树状数组

Guess the K-th Zero (Easy version)

To Go Or Not To Go?

Nastia and Nearly Good Numbers

Nastia and a Good Array

Nastia and a Hidden Permutation

Nastia Plays with a Tree

动态规划 DP · 贪心 · 树论 · 构造

Nastia and a Beautiful Matrix

Game of Life

Lord of the Values

Compression and Expansion

Love-Hate

Crypto Lights

Favorite Game

Try Booking

树套树

Hopping Around the Array

倍增

Potion-making

Permutation Sort

Robot Collisions

Armchairs

Assimilation IV