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友链
Nov 07, 2023
Solution -「Yali Camp 2018」贪玩蓝月
Nov 01, 2023
Solution -「JOISC 2023」ふたつの通貨
Nov 01, 2023
Solution -「JOISC 2023」議会
Nov 01, 2023
Solution -「JOISC 2023」旅行
Oct 31, 2023
Solution -「JOISC 2021」イベント巡り 2
Oct 29, 2023
Solution -「JOISC 2021」ビーバーの会合 2
Oct 27, 2023
Solution -「CCO 2020」Shopping Plans
Oct 25, 2023
Solution Set -「LOC 4357」
Oct 23, 2023
Solution -「JOISC 2022」京都観光
Oct 23, 2023
Solution Set -「LOC 4344」
Oct 22, 2023
Solution -「ABC 309G」Ban Permutation
Oct 20, 2023
Solution -「ABC 310G」Takahashi And Pass-The-Ball Game
Oct 20, 2023
Solution Set -「LOC 4333」
Oct 18, 2023
Solution -「CF 1827C」Palindrome Partition
Oct 17, 2023
Summary -「20231017」
Oct 16, 2023
Solution Set -「LOC 4326」
Oct 15, 2023
Solution -「JOISC 2022」コピー & ペースト 3
Oct 14, 2023
Solution -「ARC 112E」Cigar Box
Oct 14, 2023
Solution -「JOISC 2022」刑務所
Oct 13, 2023
Solution -「GYM 104128E」Color the Tree
Oct 13, 2023
Solution Set -「Nhk R2」
Oct 12, 2023
Solution -「ABC 313F」Flip Machines
Oct 11, 2023
Solution -「CF 1610G」AmShZ Wins a Bet
Oct 09, 2023
Solution -「BZOJ 4231」回忆树
Oct 09, 2023
Solution -「CF 710F」String Set Queries
Oct 08, 2023
Solution Set -「LOC 4293」
Oct 04, 2023
Solution -「ARC 106E」Medals
Sep 28, 2023
Solution -「模拟赛」草莓蛋糕
Sep 28, 2023
Solution -「JOISC 2020」建筑装饰 4
Sep 22, 2023
Solution -「HDU」Ridiculous Netizens
Sep 21, 2023
Solution -「LOJ 3310」丁香之路
Jan 18, 2023
Note -「Taylor Expansion & Polynomial Operations」
Dec 01, 2022
Note -「Burnside & Polya」
Nov 19, 2022
Solution -「GYM 102331H」Honorable Mention
Nov 16, 2022
Solution -「BZOJ 4311」向量
Nov 05, 2022
Solution -「LOC 47725」nomod
Nov 04, 2022
Solution -「CF 407E」k-d-sequence
Nov 03, 2022
Solution -「NOI 2022」众数
Nov 02, 2022
Solution -「CF 1422F」Boring Queries
Nov 02, 2022
Solution -「UOJ 176」新年的繁荣
Nov 01, 2022
Solution -「codeforces - 713E」Sonya Partymaker
Aug 19, 2022
Solution Set -「CF 1720」
Aug 19, 2022
Solution -「AGC 054C」Roughly Sorted
Aug 16, 2022
Solution Set -「数据结构」3
Aug 15, 2022
Solution -「JOISC 2019」ふたつの料理
Aug 14, 2022
Solution -「CF 888G」Xor-MST
Aug 11, 2022
Solution Set -「组合数学」1
Aug 09, 2022
Solution Set -「网络流」 1
Aug 08, 2022
Summary -「Miscellaneous」2
Aug 08, 2022
Solution -「CF 687D」Dividing Kingdom II
Aug 07, 2022
Note -「SoS DP」
Aug 06, 2022
Solution -「CF 585E」Present for Vitalik the Philatelist
Aug 05, 2022
Summa -「Date Structure」2
Aug 05, 2022
Solution -「ABC 246H」01? Queries
Aug 04, 2022
Summary -「Data Structure」1
Aug 02, 2022
Solution -「CF 1208F」Bits and Pieces
Aug 01, 2022
Summary -「DP」1
Jul 28, 2022
Solution Set -「模拟赛」3
Jul 26, 2022
Solution Set -「联训」2
Jul 26, 2022
Solution -「CF 1608F」MEX counting
Jul 25, 2022
Summary -「String」 1
Jul 25, 2022
Solution Set -「联训」1
Jul 22, 2022
Solution -「CF 1621G」Weighted Increasing Subsequences
Jul 22, 2022
Summary -「Number Theory」1
Jul 22, 2022
Summary -「Generalised Difference」
Jul 15, 2022
Solution -「CF 542D」Superhero's Job
Jul 14, 2022
Solution -「CF 1486F」Pairs of Paths
Jul 14, 2022
Note -「Li Chao Tree」2
Jul 12, 2022
Solution -「CF 185D」Visit of the Great
Jul 11, 2022
Summary -「Basic Number Theory | Re-learn」
Jul 07, 2022
Solution -「CF 1674F」Madoka and Laziness
Jul 07, 2022
Solution -「CF 1144G」Two Merged Sequences
Jul 06, 2022
Solution -「CF 1439C」Greedy Shopping
Jul 04, 2022
Note -「Matroid」
Jul 04, 2022
Summary -「图的回路」
Jun 30, 2022
Solution -「CF 1344D」Résumé Review
Jun 30, 2022
Solution -「CF 1394C」Boboniu and String
Jun 30, 2022
Solution Set -「简单 dp」
Jun 28, 2022
Solution -「CF 1519E」Off by One
Jun 27, 2022
Solution -「CF 1550F」Jumping Around
Jun 26, 2022
Solution -「JOISC 2021」道路の建設案
Jun 23, 2022
Note -「Matroid Union」
Jun 12, 2022
Solution Set -「NOI Online R1」
Apr 22, 2022
Solution -「SHOI 2012」随机数
Apr 16, 2022
Solution -「JOISC 2021」フードコート
Apr 10, 2022
Summary -「JOISC 2021」Food Court
Mar 22, 2022
Summary -「Semigroup と Monoid と Functional と」
Mar 11, 2022
Misc -「學習筆記」
Mar 11, 2022
Misc -「Sub-enums」
Feb 21, 2022
Solution -「LOJ 6179」Pyh 的求和
Feb 12, 2022
Solution -「P2487」拦截导弹
Feb 10, 2022
Solution -「P3911」最小公倍数之和
Feb 05, 2022
Solution -「CF 1633F」Perfect Matching
Feb 04, 2022
Solution -「CF 1481F」AB Tree
Jan 30, 2022
Solution -「CEOI 2009」harbingers
Jan 12, 2022
Summary -「Probabilistic」
Jan 06, 2022
Summary -「费用流如何处理负权边」
Jan 02, 2022
Solution Set -「Nhk R1」
Jan 02, 2022
Solution -「COCI 2021-2022 #1」Logičari
Jan 02, 2022
Solution -「TJOI 2018」智力竞赛
Jan 02, 2022
Solution -「POJ 1057」Chessboard
Dec 28, 2021
Solution -「COCI 2021-2022 #1」Volontiranje
Dec 18, 2021
Solution -「AHOI 2009」最小割
Dec 15, 2021
Solution -「CQOI 2011」放棋子
Dec 11, 2021
Summary -「Maximum Weight Closure of a Graph」
Dec 10, 2021
Solution -「CQOI 2017」老 C 的方块
Dec 10, 2021
大常数 Dinic,背后是什么?
Dec 08, 2021
Solution -「P4313」文理分科
Nov 27, 2021
Solution Set -「20211127」
Nov 26, 2021
Summary -「Combinatorics」2
Nov 23, 2021
Solution -「hackerrank 101hack43」K-Inversion Permutations
Nov 18, 2021
Summary -「Combinatorics & Inclusion-Exclusion Principle」1
Nov 18, 2021
Solution Set -「容斥」1
Nov 17, 2021
Solution -「HDU 6314」Matrix
Nov 17, 2021
Solution -「HDU 6314」Matrix
Oct 07, 2021
Solution Set -「NC 20107」
Oct 05, 2021
Solution -「JOISC 2016」回転寿司
Sep 28, 2021
Summary -「整体 DP」
Sep 25, 2021
Solution -「CF 868F」Yet Another Minimization Problem
Sep 15, 2021
Solution -「SDOI2019」移动金币
Sep 12, 2021
Solution Set -「ABC 218」
Aug 25, 2021
Note -「Object Oriented Segment Tree」
Aug 24, 2021
Solution -「HDU 5780」gcd
Aug 23, 2021
Solution -「ABC 215G」Colorful Candies 2
Aug 21, 2021
Note -「The Construction of Chinese Remainer Theorem」
Aug 19, 2021
Summary -「tricks」线段树二分
Aug 18, 2021
Note -「Primitive Root」
Aug 17, 2021
Solution -「codechef - STRQUER」Strange Queries
Aug 15, 2021
Solution -「ABC 214G」Three Permutations
Aug 13, 2021
Solution -「CF 990G」GCD Counting
Aug 06, 2021
Solution -「AGC 005D」~K Perm Counting
Aug 01, 2021
Solution -「APIO 2016」划艇
Jul 31, 2021
Solution -「CF 1555F」Good Graph
Jul 30, 2021
Solution -「NOI 2021」轻重边
Jul 26, 2021
Solution Set -「ARC 124」
Jul 20, 2021
Solution -「ARC 123F」Insert Addition
Jul 11, 2021
Solution -「营业」「ABC 209F」Deforestation
Jul 09, 2021
Solution Set -「acmsguru」
Jul 08, 2021
Solution -「营业」「ABC 170D」Not Divisible
Jul 08, 2021
Solution -「营业」「CF 527C」Glass Carving
Jun 26, 2021
Solution -「NOI 2020」时代的眼泪
Jun 21, 2021
Solution Set -「CF 1539」
Jun 18, 2021
Solution Set -「CF 1534」
Jun 14, 2021
Solution Set -「ABC 205」
May 30, 2021
Solution -「洛谷 P5176」公约数
May 18, 2021
Solution Set -「CF 1525」
May 18, 2021
Solution Set -「CF 1514」
May 15, 2021
Note -「Li Chao Tree」
May 14, 2021
Solution -「CF 1303G」Sum of Prefix Sums
May 11, 2021
Solution -「SCOI 2016」萌萌哒
May 11, 2021
Solution -「CF 1520F2」 Guess the K-th Zero (Hard version)
May 10, 2021
Solution -「CF 1477A」Nezzar and Board
May 09, 2021
Solution Set -「CF 1520」
May 09, 2021
Solution -「THUPC 2021」区间矩阵乘法
May 05, 2021
Solution -「NOI 2007」货币兑换
May 05, 2021
Solution -「HNOI 2010」城市建设
Apr 23, 2021
Solution -「洛谷 P6156」简单题
Apr 16, 2021
Solution -「YunoOI 2017」由乃的 OJ
Apr 09, 2021
Solution -「九省联考 2018」劈配
Apr 09, 2021
Solution -「HNOI 2016」最小公倍数(lacks of code)
Apr 08, 2021
Solution -「九省联考 2018」IIIDX
Apr 08, 2021
Solution -「CF 1025D」Recovering BST
Apr 07, 2021
Solution -「CF 1039D」You Are Given a Tree
Apr 07, 2021
Solution -「CF 724F」Uniformly Branched Trees
Apr 06, 2021
Solution Set -「ARC 116」(in progress)
Apr 06, 2021
Solution -「CF 1096E」The Top Scorer
Apr 03, 2021
Solution -「YunoOI 2016」镜中的昆虫
Apr 03, 2021
Solution -「YunoOI 2007」rfplca
Apr 03, 2021
Solution -「CF 392C」Yet Another Number Sequence
Mar 30, 2021
Solution Set -「ABC 197」
Mar 22, 2021
Solution Set -「ABC 196」
Mar 20, 2021
Solution -「POJ 1322」Chocolate
Mar 20, 2021
Solution -「EZEC 7」加边
Mar 16, 2021
Solution -「CCPC Winter Camp Day 6 A」Convolution
Mar 15, 2021
Solution -「CF 1491H」Yuezheng Ling and Dynamic Tree
Mar 14, 2021
Note -「Polynomial」
Mar 12, 2021
Solution -「香港网络赛 2016」A+B Problem
Mar 12, 2021
Solution -「GXOI / GZOI 2019」AND OR Sum
Mar 11, 2021
Solution -「ZJOI 2014」力
Mar 11, 2021
Solution -「BZOJ 3771」Triple
Mar 09, 2021
Solution -「CSP 2019」Centroid
Mar 09, 2021
Solution -「GXOI / GZOI 2019」宝牌一大堆
Mar 08, 2021
Note -「Suffix Automaton」
Mar 08, 2021
Solution -「CSP 2019」Partition
Mar 06, 2021
Solution -「BalticOI 2004」Sequence
Mar 05, 2021
Solution -「BZOJ 3779」重组病毒
Mar 03, 2021
Solution -「CF 1073G」Yet Another LCP Problem
Mar 02, 2021
Solution Set -「ABC 193」
Mar 02, 2021
Note -「Concise Virtual Tree」
Feb 24, 2021
Solution -「CoE-I 2021C」弹珠游戏
Feb 23, 2021
Solution Set -「ABC 192」
Feb 23, 2021
Solution Set -「ARC 113」
Feb 22, 2021
Solution Set -「CF 1486」
Feb 19, 2021
Solution Set -「CF 1490」
Feb 17, 2021
Solution Set -「CF 1485」
Feb 07, 2021
Solution -「JRKSJ R1」JFCA
Feb 07, 2021
Solution -「JRKSJ R1」吊打
Feb 04, 2021
Solution Set -「联考」1
Feb 04, 2021
Note -「Strings」
Feb 04, 2021
Solution -「LOCAL 28731」Rainyrabbit 爱求和
Feb 02, 2021
Note -「How to Use Sieve of Euler」
Feb 01, 2021
Record - Feb. all, 2021 - Training REC
Jan 29, 2021
Solution Set -「ARC 109」
Jan 21, 2021
Solution -「THUPC 2019」Duckchess
Jan 15, 2021
Solution Set -「ARC 111」
Jan 12, 2021
Solution Set -「ABC 183」
Jan 09, 2021
Record -「Tricks」记录
Jan 06, 2021
Solution -「ARC 103B」Robot Arms
Jan 01, 2021
Solution -「洛谷 P3600」随机数生成器
Jan 01, 2021
Record - Jan. all, 2021 - Training REC
Dec 17, 2020
Solution -「洛谷 P4689」「YunoOI 2016」这是我自己的发明
Dec 12, 2020
Note -「Flows」
Dec 09, 2020
Journey / Solution Set - 「NOIP-S 2020」「Prob. A-C」
Dec 05, 2020
Record - Dec. all, 2020 - Training REC
Dec 02, 2020
Record - Dec. 2st, 2020 - Exam. REC
Dec 01, 2020
Record - Dec. 1st, 2020 - Exam. REC
Nov 28, 2020
Record - Nov. 28st, 2020 - Exam. REC
Nov 27, 2020
Record - Nov. 26st, 2020 - Training REC
Nov 27, 2020
Record - Nov. 27st, 2020 - Exam. REC & SOL
Nov 25, 2020
Solution -「SP 106」BINSTIRL
Nov 25, 2020
Solution -「洛谷 P3773」「CTSC 2017」吉夫特
Nov 25, 2020
Solution -「洛谷 P6287」「COCI 2016-2017」Mag
Nov 23, 2020
Solution -「UVA 1118」Binary Stirling Numbers
Nov 21, 2020
Record - Nov. 21st, 2020 - Exam. REC & SOL
Nov 20, 2020
Record - Stirling Number / FK. & SK.
Nov 20, 2020
Record - Nov. 20th, 2020 - Exam. SOL
Nov 15, 2020
Record - Nov. 15th, 2020 - Training REC
Nov 10, 2020
Solution -「CSP-S 2020」函数调用
Nov 10, 2020
Solution Set -「CSP-S 2020」
Nov 10, 2020
Solution Set -「CSP-S 2020」
Nov 06, 2020
Other -「VIM」配置
Nov 06, 2020
Record -「NOIP-S 2020」赛前强基
Oct 27, 2020
Solution -「洛谷 P4451」「国家集训队」整数的 lqp 拆分
Oct 25, 2020
Note -「Generating Functions」
Oct 16, 2020
Record -「CSP-S 2020」赛前强基
Oct 12, 2020
Solution -「洛谷 P4688」「YunoOI 2016」掉进兔子洞
Oct 12, 2020
Solution -「洛谷 P5072」「YunoOI 2015」盼君勿忘
Oct 12, 2020
Solution -「洛谷 P5046」Yuno loves sqrt technology I
Oct 12, 2020
Solution -「洛谷 P5610」「YunoOI 2013」大学
Oct 12, 2020
Solution -「洛谷 P5355」「YunoOI 2017」由乃的玉米田
Oct 12, 2020
Solution -「洛谷 P5048」Yuno loves sqrt technology III
Sep 29, 2020
Solution -「洛谷 P4007」小 Y 和恐怖的奴隶主
Sep 29, 2020
Solution -「P4007」小 Y 和恐怖的奴隶主
Sep 23, 2020
Solution -「HDU 3507」Print Article
Sep 21, 2020
Solution -「CF 959E」Mahmoud and Ehab and the xor-MST
Sep 21, 2020
Solution -「CF 888E」Maximum Subsequence
Sep 19, 2020
Ds100p -「数据结构百题」1~10
Sep 19, 2020
Ds100p -「数据结构百题」11~20
Sep 19, 2020
Ds100p -「数据结构百题」21~30
Sep 19, 2020
Ds100p -「数据结构百题」31~40
Sep 19, 2020
Ds100p -「数据结构百题」41~50
Sep 19, 2020
Ds100p -「数据结构百题」51~60
Sep 19, 2020
Ds100p -「数据结构百题」61~70
Sep 19, 2020
Ds100p -「数据结构百题」71~80
Sep 19, 2020
Ds100p -「数据结构百题」81~90
Sep 19, 2020
Ds100p -「数据结构百题」91~100
Sep 10, 2020
Solution -「CF 959E」Mahmoud and Ehab and the xor-MST
Sep 01, 2020
Note -「Kruskal Rebuild Tree」
Aug 25, 2020
Note -「莫队二次离线」
Aug 24, 2020
Solution -「SDOI 2009」Elaxia 的路线
Aug 23, 2020
Solution -「CF 888E」Maximum Subsequence
Aug 07, 2020
Solution -「CF 1043F」Make It One
Aug 07, 2020
Solution -「CF 241D」Numbers
Aug 04, 2020
Note -「Meet in the Middle」
Aug 02, 2020
Solution -「CF 522D」Closest Equals
Jul 27, 2020
Solution -「POI 2011」MET-Meteors
Jul 17, 2020
Solution -「POI 2013」LUK-Triumphal arch
Jul 04, 2020
Solution -「P1707」刷题比赛
Jun 19, 2020
Ds100p -「数据结构百题」总集
Jun 19, 2020
Solution -「BJWC 2010」取数游戏
May 24, 2020
Solution -「NOIOLS 3」水壶
Apr 19, 2020
Solution -「洛谷 P5659」「CSP-S 2019」树上的数
Apr 19, 2020
Solution -「洛谷 P1852」跳跳棋
Apr 19, 2020
Solution -「洛谷 P3267」「JLOI 2016」「SHOI 2016」侦察守卫
Apr 19, 2020
Solution -「洛谷 P2000」拯救世界
Apr 19, 2020
Solution -「洛谷 P2044」「NOI 2012」随机数生成器
Apr 14, 2020
Note -「Fast Fourier Transform」
Apr 14, 2020
Note -「Number Theoretic Transform」
Apr 14, 2020
Solution Set -「NOIOLS 1」
Apr 11, 2020
Note -「Efficient Segment Tree」
Apr 04, 2020
Solution -「CF 61E」Enemy is weak
Apr 01, 2020
Solution -「CF 607B」Zuma
Mar 31, 2020
Solution -「P3657」Why Did the Cow Cross the Road II P
Mar 31, 2020
Solution -「P3664」Modern Art P
Mar 30, 2020
Solution -「P2619」Tree
Mar 29, 2020
Solution -「P2656」采蘑菇
Mar 26, 2020
Note -「Number Theory Transform」
Feb 10, 2020
Note -「Cat Tree」
Feb 09, 2020
Solution -「MdOI 2020」GCD? GCD!
Jan 26, 2020
Solution -「P2709」小 B 的询问
Jan 23, 2020
Note -「KMP」
Jan 19, 2020
Solution -「P4525」自适应辛普森法
Jan 13, 2020
Note -「Möbius Inversion」
Jan 12, 2020
Solution -「P4450」双亲数
Jan 11, 2020
Article -「推荐 VSC 插件」
Jan 07, 2020
Solution -「CQOI 2007」余数求和
Jan 05, 2020
Note -「Mo's Algorithm」
Dec 16, 2019
Solution -「SHOI 2013」发牌
Dec 13, 2019
Note -「Splay Tree」
Dec 01, 2019
Solution Set -「CSP-J 2019」
Oct 20, 2019
Solution -「P2639」Bessie 的体重问题
Oct 06, 2019
Solution Set -「新初二 NOIP 国庆热身水题赛」
Oct 03, 2019
Solution -「SDOI 2010」猪国杀
Aug 26, 2019
Solution -「P1516」青蛙的约会
Jul 25, 2019
Solution -「P2671」求和
Jul 22, 2019
Solution -「P2672」推销员