Beautiful IP Addresses

搜索

Connected Components

并查集

Copying Data

Weird Game

Distinct Paths

搜索 · 剪枝 · 状态合并

Cube Problem

Ksusha and Square

Close Vertices

点分治 · 树状数组

Shaass and Oskols

模拟

Shaass and Bookshelf

背包 DP

Shaass and Lights

数学 · 组合数学 · 逆元

Shaass and Painter Robot

Shaass the Great

Greg and Array

Greg and Graph

最短路 · Floyd 算法

Greg and Friends

模拟 · 动态规划 DP · 枚举

Greg and Caves

动态规划 DP · 枚举 · 前缀和

Yaroslav and Points

线段树 · 平衡树 · 分块

Yaroslav and Permutations

Yaroslav and Two Strings

动态规划 DP · 容斥原理

Parity Game

Fish Weight

Splitting the Uniqueness

Color the Carpet

Mystic Carvings

线段树 · 树状数组 · 容斥原理

Snow Footprints

Sail

Ksusha and Array

最大公约数 gcd

Ksusha the Squirrel

Array

Coach

Beautiful Numbers

排列组合

Painting Square

Empire Strikes Back

Yaroslav and Sequence

Yaroslav and Time

Yaroslav and Algorithm

Yaroslav and Divisors

树状数组 · 扫描线

Yaroslav and Arrangements

Eugeny and Array

Eugeny and Play List

Lucky Permutation Triple

数学 · 数论

Rectangle Puzzle II

Minimum Modular

数学 · 数论 · 枚举

Rotatable Number

素数判断,质数,筛法 · 进制

Random Ranking

Pythagorean Theorem II

Calendar

Strange Addition

Continued Fractions