Distributing Parts

Gears

Subsequences Return

Crazy Town

Name That Tune

Array and Operations

Traffic Jams in the Land

线段树

Stairs and Lines

状压 DP

Watching a movie

Lecture

New Year Transportation

递推 · 递归

New Year Permutation

New Year Book Reading

模拟 · 贪心 · 构造

New Year Santa Network

New Year Domino

New Year Shopping

动态规划 DP · 背包 DP · 线段树分治

New Year Running

Contest

模拟

Misha and Changing Handles

Misha and Forest

Misha and Permutations Summation

树状数组 · 康托展开

Misha and Palindrome Degree

Misha and XOR

Misha and LCP on Tree

二分 · 后缀自动机 SAM · 最近公共祖先 LCA · 树链剖分 · 哈希 hashing

Mr. Kitayuta's Gift

Mr. Kitayuta's Colorful Graph

Mr. Kitayuta, the Treasure Hunter

动态规划 DP · 数学 · 枚举

Mr. Kitayuta's Technology

排序 · 拓扑排序 · 连通块

Mr. Kitayuta vs. Bamboos

模拟 · 二分

Mr. Kitayuta's Colorful Graph

图论 · 并查集 · 分块

Mr. Kitayuta's Gift

字符串 · 矩阵乘法

Amr and Music

Amr and Pins

Guess Your Way Out!

The Maths Lecture

动态规划 DP · 数位 DP

Breaking Good

最短路

Pasha and Pixels

Anton and currency you all know

Anya and Ghosts

Tanya and Password

Arthur and Brackets

模拟 · 贪心 · 栈

Maximum in Table

动态规划 DP · 递推 · 递归

Painting Pebbles

Sums of Digits

构造

Restoring Numbers

Pretty Song

Progress Monitoring

动态规划 DP · 深度优先搜索 DFS

Fox And Snake

Fox And Two Dots

Fox And Names

字符串 · 图论建模 · 拓扑排序