GORELIAN - Here We Go(relians) Again

PERMSG - Permutation Exponentiation

LINES - Game of Lines

数学 · 数论 · 枚举

DOORSPEN - Doors and Penguins

DIVREL - Divisibility Relation

网络流 · Dilworth 定理

TREECST - Tree Construction

PALIM - Yet Another Longest Palindrome Problem

字符串 · Manacher 算法

TYPESET - Typesettin

SLINK - Slink

EDS - Electronic Document Security

GUARD - Guard

RACETIME - Race Against Time

枚举 · 排序 · 分块

KQUERY - K-query

DQUERY - D-query

莫队 · 线段树 · 树状数组 · 可持久化线段树

ORDERSET - Order statistic set

SA04C - Roman Patrollers

SA04D - Very Special Boxes

HEXTILE - Hex Tile Equations

BRIDGES2 - The Bridges of San Mochti

BULLETIN - Bulletin Board

SERIALN - Serial Numbers

UMNOZAK - Umnozak

数位 DP

DOUBLE - Doubled Numbers

HIGHWAY - Cestarine

STACK - Stack

IMGREC2 - Digital Image Recognition

CAVLI - Cavli

SETNJA - Setnja

递推

SVADA - Svada

ROUNDT - Round Table

PERMCODE - Permutation Code

SCAVHUNT - Scavenger Hunt

STAMPS - Stamps

贪心 · 排序

PARKINGL - Parking Lot

BUGLIFE - A Bug’s Life

并查集 · 拓扑排序 · 二分图

SSHUFFLE - String Shuffle

TOURIST - Tourist

HIGHWAYS - Highways

MONSTER - Monster Trap

YODA - Yoda Goes Palindromic !

CHMAZE - Changing Maze

DNPALIN - Double Near Palindromes

KNIGHTSR - The Knights of the Round Circle

TRIBE2 - Tribe Council

NOTOKNOT - Knot or Not

LAGRANGE - Lagrange's Four-Square Theorem

SAMER08A - Almost Shortest Path

SAMER08B - Bases

SAMER08C - Candy

SAMER08D - DNA Sequences