MYQ9 - Divide And Conquer

DUGDUG - DUGDUG

MYQ10 - Mirror Number

FLLM - PASIJANS

IWGBST - GENIJALAC

IWGBS - 0110SS

NAGAY - Joseph's Problem

数论 · 整除分块

BYTESB - DRIVE

SYM12 - Symmetry

离散化 · 枚举

MYQ11 - The Lazy Gamer

MYQ12 - The Great Escape

COT2 - Count on a tree II

莫队 · 深度优先搜索 DFS

NAGAY1 - VUK

图论 · 二分 · 广度优先搜索 BFS · 图遍历

TRIGALGE - Easy Calculation

STRSEQ - String Subsequence

CHAMPS - Michel and the championship

TRAPEZBO - Trapezoid

RAONE - Ra-One Numbers

数位 DP

GONE - G-One Numbers

WACHOVIA - Wachovia Bank

RS2D - Happiness at the lowest cost

GAMECG - GAME

TETRAHRD - Sum of Tetranacci numbers

DCEPC204 - Unlock it !

DCEPC206 - Its a Murder!

DCEPC202 - Unique Paths

DCEPC207 - Finally a Treat

FACTCG2 - Medium Factorization

数论 · 素数判断

DCEPC203 - Obsession

DCEPC200 - The Prime Minister

SUPSUP - Supplying the Suppliers

DECOY - Decoys and Diversions

CUSTOMSL - Customs

FERT21_1 - I Hate Parenthesis

DIXDOOM - Dixon Dominoes

ONBRIDGE - Online Bridge Searching

DCEPC301 - Foodie Golu

VERODOOM - Vero Dominoes

AGS - Aritho-geometric Series (AGS)

LUCIFER - LUCIFER Number

ITRIX12E - R Numbers

数学 · 矩阵加速

PONY3 - Discords Dilemma

数学 · 容斥原理 · 期望 · 积分 · 定积分

AP2 - AP - Complete The Series (Easy)

AP3 - AP - Complete The Series v2

BANNER - Large banner

MAIN12A - SelfDescribingSequenceProblem

模拟

MAIN12B - PrimeFactorofLCM

数论 · 线性筛法

MAIN12C - Email ID

PONY4 - Discord is Cornered

RESTACK - Restacking haybales 2012

递推 · 线性递推