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3738Card Game73PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Asukalt
3737UmBasketella2252PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), cyqclark
3739Special Squares263PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Doraemonok
3735Training little cats1901PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Facer
3731Escape372PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Rainer
3732Paint Me Less88PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Rainer
3733Shadow Area39PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Rainer
3734Blocks2607PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Simon
3736Snipe the Sniper355PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), TN
3218Alignments200PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc
3220Context-Free Languages130PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc
3225Help with Intervals1570PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc
3223Football Game72PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc, text by Ikki
3224Go for Lab Cup!4416PKU Local 2007 (POJ Monthly--2007.04.28), ideas from ava, text and test cases by frkstyc
3219Binomial Coefficients2398PKU Local 2007 (POJ Monthly--2007.04.28), Ikki
3222Edge Pairing308PKU Local 2007 (POJ Monthly--2007.04.28), ufx
3221Diamond Puzzle660PKU Local 2007 (POJ Monthly--2007.04.28), wenxichang
1810Covering128POJ Monthly
1811Prime Test2923POJ Monthly
1812Zuma Game92POJ Monthly
1813Overlapped Shapes141POJ Monthly
1814Polynomial16POJ Monthly
1815Friendship1350POJ Monthly
1816Wild Words854POJ Monthly
3745Keep Contact10POJ Monthly Contest - 2009.08.23, Elaxia
3743LL’s cake91POJ Monthly Contest - 2009.08.23, Isun
3746Teacher YYF207POJ Monthly Contest - 2009.08.23, Jason
3740Easy Finding2266POJ Monthly Contest - 2009.08.23, MasterLuo
3744Scout YYF I1699POJ Monthly Contest - 2009.08.23, Simon
3747Scout YYF II242POJ Monthly Contest - 2009.08.23, Simon
3741Number System Converter145POJ Monthly Contest - 2009.08.23, wjn
3742Equivalent Polynomial384POJ Monthly Contest - 2009.08.23, wjn
3758The story of three kingdoms XI25POJ Monthly Contest - 2010.04.04, 1318dotaer
3755The Training of Chain Lightning28POJ Monthly Contest - 2010.04.04, Mars
3756Chess Game223POJ Monthly Contest - 2010.04.04, Mars
3757Simple Distributed storage system212POJ Monthly Contest - 2010.04.04, Yao Jinyu
3759Simple Distributed computing system63POJ Monthly Contest - 2010.04.04, Yao Jinyu
3721Darkterror's Combos57POJ Monthly Contest – 2009.02.22, Dagger
3722We're Going In17POJ Monthly Contest – 2009.02.22, Dagger
3717Decrypt the Dragon Scroll105POJ Monthly Contest – 2009.02.22, Facer
3718Facer's Chocolate Dream107POJ Monthly Contest – 2009.02.22, Facer
3720Occurrence of Digits1346POJ Monthly Contest – 2009.02.22, Lei Tao
3719Art of Balance151POJ Monthly Contest – 2009.02.22, Mars
3716Panda's Birthday Present909POJ Monthly Contest – 2009.02.22, Simon
3715Blue and Red521POJ Monthly Contest – 2009.02.22, Windy
3729Facer’s string318POJ Monthly Contest – 2009.04.05, Facer
3728The merchant1022POJ Monthly Contest – 2009.04.05, GaoYihan
3730Ebbinghaus method58POJ Monthly Contest – 2009.04.05, geniushjs
3727Newton’s Method127POJ Monthly Contest – 2009.04.05, longpo
3724Find the parameter398POJ Monthly Contest – 2009.04.05, Simon
3726Windy's ABC191POJ Monthly Contest – 2009.04.05, windy7926778
3723Conscription3742POJ Monthly Contest – 2009.04.05, windy7926778
3725I know the k-th integer415POJ Monthly Contest – 2009.04.05, windy7926778
2438Children's Dining427POJ Monthly,anonymous
2444Partition a Matrix430POJ Monthly,c0500301036
2446Chessboard3364POJ Monthly,charlescpp
2310Cubic Tick-Tack-Toe41POJ Monthly,CHEN Shixi(xreborner)
2311Cutting Game1404POJ Monthly,CHEN Shixi(xreborner)
2233GAME AGAIN!127POJ Monthly,dodo
2442Sequence1925POJ Monthly,Guang Lin
2445Squares98POJ Monthly,Guang Lin
2236Wireless Network6934POJ Monthly,HQM
2237Can 1 Marine win 2 Zerglings?44POJ Monthly,HQM
2235Triangularize the Convex Hull33POJ Monthly,kicc
2314POJ language60POJ Monthly,kicc
2153Rank List1986POJ Monthly,Li Haoyuan
2239Selecting Courses3481POJ Monthly,Li Haoyuan
2156National Day Celebration92POJ Monthly,Loger
2152Fire666POJ Monthly,Lou Tiancheng
2154Color1816POJ Monthly,Lou Tiancheng
2155Matrix6231POJ Monthly,Lou Tiancheng
2309BST4958POJ Monthly,Minkerui
2313Sequence1223POJ Monthly,Minkerui
2443Set Operation882POJ Monthly,Minkerui
2448A New Operating System79POJ Monthly,Minkerui
2234Matches Game5118POJ Monthly,readchild
1817Traffic Jam104POJ Monthly,Southeast USA 1999
2440DNA1131POJ Monthly,Static
2447RSA406POJ Monthly,static
2452Sticks Problem1686POJ Monthly,static
2441Arrange the Bulls1254POJ Monthly,TN
2315Football Game143POJ Monthly,uni
2157Maze964POJ Monthly,Wang Yijie
2308Dearboy's Puzzle190POJ Monthly,Wang Yijie
2453An Easy Problem4144POJ Monthly,zby03
2439Disconnect the Orange!?70POJ Monthly,Zeyuan Zhu
2449Remmarguts' Date4456POJ Monthly,Zeyuan Zhu
2450A New Kind of Chess37POJ Monthly,Zeyuan Zhu
2451Uyuw's Concert1358POJ Monthly,Zeyuan Zhu
2158A Difficult Mathematics Problem103POJ Monthly,李学武
2232New Stone-Forfex-Cloth Game495POJ Monthly,汪艺杰
2151Check the difficulty of problems2279POJ Monthly,鲁小石
2238Computer Basketball Game91POJ Monthly,鲁小石
2312Battle City2116POJ Monthly,鲁小石
1659Frogs' Neighborhood3047POJ Monthly--2004.05.15 Alcyone@pku
1662CoIns186POJ Monthly--2004.05.15 BearL@pku
1661Help Jimmy3058POJ Monthly--2004.05.15 CEOI 2000
1660Princess FroG403POJ Monthly--2004.05.15 duoshute@pku
1655Balancing Act4568POJ Monthly--2004.05.15 IOI 2003 sample task
1654Area3495POJ Monthly--2004.05.15 Liu Rujia@POJ
1656Counting Black6311POJ Monthly--2004.05.15 Liu Rujia@POJ
1657Distance on Chessboard8030POJ Monthly--2004.05.15 Liu Rujia@POJ
1658Eva's Problem10099POJ Monthly--2004.05.15 Null
1682Clans on the Three Gorges301POJ Monthly--2004.06.27 epic
1675Happy Birthday!867POJ Monthly--2004.06.27 srbga@POJ
1677Girls' Day569POJ Monthly--2004.06.27 srbga@POJ
1678I Love this Game!695POJ Monthly--2004.06.27 srbga@POJ
1679The Unique MST6132POJ Monthly--2004.06.27 srbga@POJ
1680Fork() Makes Trouble284POJ Monthly--2004.06.27 srbga@POJ
1681Painter's Problem2080POJ Monthly--2004.06.27 张嘉龄
1674Sorting by Swapping4024POJ Monthly--2004.06.27 弱人
1676What time is it?561POJ Monthly--2004.06.27 鄂继明
1698Alice's Chance1873POJ Monthly--2004.07.18
1699Best Sequence2159POJ Monthly--2004.07.18
1700Crossing River4977POJ Monthly--2004.07.18
1701Dissatisfying Lift992POJ Monthly--2004.07.18
1702Eva's Balance1709POJ Monthly--2004.07.18
1703Find them, Catch them8387POJ Monthly--2004.07.18
1704Georgia and Bob2988POJ Monthly--2004.07.18
1705Generational Replacement73POJ Monthly--2004.07.18
2519Cutting Necklace79POJ Monthly--2005.07.31, CHEN Shixi
2520DNA Sequence Alignment75POJ Monthly--2005.07.31, CHEN Shixi
2518Little guys' game106POJ Monthly--2005.07.31, Huang Ninghai
2514Ridiculous Addition304POJ Monthly--2005.07.31, Islamic Azad University of Mashhad – Collegiate Coding Challenge 1
2517Cover23POJ Monthly--2005.07.31, LouTianCheng
2516Minimum Cost3103POJ Monthly--2005.07.31, Wang Yijie
2521How much did the businessman lose6854POJ Monthly--2005.07.31, Wang Yijie
2515Birthday Cake249POJ Monthly--2005.07.31, Zeyuan Zhu
2592Standard Point System105POJ Monthly--2005.08.28,anonymous
2596Dice Stacking310POJ Monthly--2005.08.28,Huang Ninghai
2598Match Throwing Game255POJ Monthly--2005.08.28,kicc
2593Max Sequence5907POJ Monthly--2005.08.28,Li Haoyuan
2594Treasure Exploration2483POJ Monthly--2005.08.28,Li Haoyuan
2591Set Definition3400POJ Monthly--2005.08.28,Static
2595Min-Max280POJ Monthly--2005.08.28,Static
2597Line Segment Erase341POJ Monthly--2005.08.28,Static
2748Logs Stacking799POJ Monthly--2006.01.22,anonymous
2751Saving Endeavour672POJ Monthly--2006.01.22,anonymous
2755Dominoes38POJ Monthly--2006.01.22,Loger
2750Potted Flower1338POJ Monthly--2006.01.22,Zeyuan Zhu
2752Seek the Name, Seek the Fame6700POJ Monthly--2006.01.22,Zeyuan Zhu
2753Similarity of necklaces35POJ Monthly--2006.01.22,Zeyuan Zhu
2754Similarity of necklaces 2170POJ Monthly--2006.01.22,Zeyuan Zhu
2749Building roads1404POJ Monthly--2006.01.22,zhucheng
2756Autumn is a Genius1482POJ Monthly--2006.02.26,zgl & twb
2757Beautiful Numbers109POJ Monthly--2006.02.26,zgl & twb
2758Checking the Text455POJ Monthly--2006.02.26,zgl & twb
2759Distributing tasks151POJ Monthly--2006.02.26,zgl & twb
2760End of Windless Days176POJ Monthly--2006.02.26,zgl & twb
2761Feed the dogs2983POJ Monthly--2006.02.26,zgl & twb
2762Going from u to v or from v to u?2819POJ Monthly--2006.02.26,zgl & twb
2763Housewife Wind1652POJ Monthly--2006.02.26,zgl & twb
2777Count Color7525POJ Monthly--2006.03.26,dodo
2778DNA Sequence2860POJ Monthly--2006.03.26,dodo
2775The Number of the Same BST412POJ Monthly--2006.03.26,newton88518
2773Happy 20062469POJ Monthly--2006.03.26,static
2780Linearity1191POJ Monthly--2006.03.26,static
2774Long Long Message5197POJ Monthly--2006.03.26,Zeyuan Zhu,"Dedicate to my great beloved mother."
2779Atom Bombs!? God!43POJ Monthly--2006.03.26,Zeyuan Zhu,Modified from NEERC2005 Area
2776Cheat at Math18POJ Monthly--2006.03.26,Zeyuan Zhu,Modified from Timus 1429
2825Perfect Permutation150POJ Monthly--2006.04.28, Dagger@PKU_RPWT
2826An Easy Problem?!1198POJ Monthly--2006.04.28, Dagger@PKU_RPWT
2819TN's Kingdom I - Establishment176POJ Monthly--2006.04.28, frkstyc@PKU_RPWT
2820TN's Kingdom II - Construction38POJ Monthly--2006.04.28, frkstyc@PKU_RPWT
2821TN's Kingdom III - Assassination63POJ Monthly--2006.04.28, frkstyc@PKU_RPWT
2822TN's Kingdom IV - Collapse77POJ Monthly--2006.04.28, frkstyc@PKU_RPWT
2823Sliding Window8984POJ Monthly--2006.04.28, Ikki
2824Bohemian Rhapsody18POJ Monthly--2006.04.28, TN@PKU_RPWT
2834Where Are You?169POJ Monthly--2006.05.28, Judas
2829How Many Free Dimensions?26POJ Monthly--2006.05.28, Liang, Shaochi
2827Auto-Calculation Machine341POJ Monthly--2006.05.28, Static
2830Max Sequence II84POJ Monthly--2006.05.28, Static
2833The Average2416POJ Monthly--2006.05.28, zby03
2828Buy Tickets5670POJ Monthly--2006.05.28, Zhu, Zeyuan
2831Can We Build This One?425POJ Monthly--2006.05.28, zhucheng
2832How Many Pairs?439POJ Monthly--2006.05.28, zhucheng
2843Cutting Cake129POJ Monthly--2006.06.25, Chen Xue
2837Silver Matrix564POJ Monthly--2006.06.25, Lei Tao
2840Big Clock5910POJ Monthly--2006.06.25, Lei Tao
2839Convex Hull and Triangle27POJ Monthly--2006.06.25, Long Fan
2842N-dimension Matching76POJ Monthly--2006.06.25, Long Fan
2841Navigation Game64POJ Monthly--2006.06.25, Yang Yi
2844Sum and Product72POJ Monthly--2006.06.25, Yang Yi
2838Graph Connectivity492POJ Monthly--2006.06.25, Zheng Zhao
2888Magic Bracelet1007POJ Monthly--2006.07.30, cuiaoxiang
2893M × N Puzzle817POJ Monthly--2006.07.30, newton88518
2886Who Gets the Most Candies?2471POJ Monthly--2006.07.30, Sempr
2890Matrix Multiplication364POJ Monthly--2006.07.30, Static
2891Strange Way to Express Integers3422POJ Monthly--2006.07.30, Static
2892Tunnel Warfare2249POJ Monthly--2006.07.30, updog
2889Unique Solution165POJ Monthly--2006.07.30, Wang, Yijie
2887Big String1121POJ Monthly--2006.07.30, zhucheng
2982Time Travel365POJ Monthly--2006.08.27, Dagger
2983Is the Information Reliable?2281POJ Monthly--2006.08.27, Dagger
2981Deal of Fortune18POJ Monthly--2006.08.27, frkstyc
2987Firing1667POJ Monthly--2006.08.27, frkstyc
2988Function Approximation36POJ Monthly--2006.08.27, frkstyc
2986A Triangle and a Circle403POJ Monthly--2006.08.27, Rainer
2984A New Joseph Problem471POJ Monthly--2006.08.27, zcgzcgzcg
2985The k-th Largest Group1685POJ Monthly--2006.08.27, zcgzcgzcg
3015Expected Difference257POJ Monthly--2006.09.29, ACRush
3016K-Monotonic245POJ Monthly--2006.09.29, ACRush, modified from TopCoder SRM 309 KMonotonic
3012A Number from Yanghui Triangle616POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ)
3013Big Christmas Tree2485POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ)
3014Cake Pieces and Plates1176POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ)
3018Giftbox736POJ Monthly--2006.09.29, sza
3019Image Rotation17POJ Monthly--2006.09.29, zby03
3017Cut the Sequence1804POJ Monthly--2006.09.29, zhucheng
3162Walking Race575POJ Monthly--2006.12.31, flymouse
3163King of Fighters86POJ Monthly--2006.12.31, flymouse
3161Numerical Integration4POJ Monthly--2006.12.31, galaxy
3164Command Network2281POJ Monthly--2006.12.31, galaxy
3159Candies4269POJ Monthly--2006.12.31, Sempr
3160Father Christmas flymouse706POJ Monthly--2006.12.31, Sempr
3165Traveling Trio19POJ Monthly--2006.12.31, Zhu, Zeyuan
3166Jumping Frog73POJ Monthly--2006.12.31, Zhu, Zeyuan
3202A Very Simple Compiler3POJ Monthly--2007.03.04, Hou, Qiming
3203Incremental Python Parsing7POJ Monthly--2007.03.04, Hou, Qiming
3204Ikki's Story I - Road Reconstruction1280POJ Monthly--2007.03.04, Ikki
3205Ikki's Story II - War with TN170POJ Monthly--2007.03.04, Ikki
3206Ikki's Story III - Rescue frkstyc!93POJ Monthly--2007.03.04, Ikki
3207Ikki's Story IV - Panda's Trick2572POJ Monthly--2007.03.04, Ikki
3209From Pythagoras to …202POJ Monthly--2007.03.04, Ikki
3208Apocalypse Someday893POJ Monthly--2007.03.04, Ikki, adapted from TCHS SRM 2 ApocalypseSomeday
3216Repairing Company1307POJ Monthly--2007.04.01, crazyb0y
3214Heap401POJ Monthly--2007.04.01, czh
3211Washing Clothes2184POJ Monthly--2007.04.01, dearboy
3215Median of Lines131POJ Monthly--2007.04.01, dearboy
3217Eugenics258POJ Monthly--2007.04.01, Huang, Jinsong
3212Rescue Alice271POJ Monthly--2007.04.01, Liu, Cheng
3210Coins4378POJ Monthly--2007.04.01, Snoopy
3213PM3862POJ Monthly--2007.04.01, zhucheng
3233Matrix Power Series5653POJ Monthly--2007.06.03, Huang, Jinsong
3240Solution to the n2 − 1 Puzzle41POJ Monthly--2007.06.03, Huang, Jinsong
3234The Kylin Den13POJ Monthly--2007.06.03, Jia, You
3236Michelle's Evaluation62POJ Monthly--2007.06.03, Jia, You
3235Super Knight36POJ Monthly--2007.06.03, Lei, Tao
3237Tree1250POJ Monthly--2007.06.03, Lei, Tao
3238A Coin Game68POJ Monthly--2007.06.03, Yao, Jinyu
3239Solution to the n Queens Puzzle1252POJ Monthly--2007.06.03, Yao, Jinyu
3245Sequence Partitioning182POJ Monthly--2007.07.08, Chen, Danqi
32423-dimensional Musical Water-fence27POJ Monthly--2007.07.08, Chen, Qifeng
3248Soldier61POJ Monthly--2007.07.08, Chen, Qifeng
3243Clever Y1018POJ Monthly--2007.07.08, Guo, Huayang
3247Robots7POJ Monthly--2007.07.08, Guo, Huayang
3246Game236POJ Monthly--2007.07.08, Wang, Dong
3244Difference between Triplets620POJ Monthly--2007.07.08, Yuan, Xinhao
3249Test for Job1547POJ Monthly--2007.07.08, 落叶飞雪
3324Lucas-Lehmer Test95POJ Monthly--2007.08.05, frkstyc
3319Dragon Slayer Qualification Exam80POJ Monthly--2007.08.05, Hooyeon Lee (ltdtl@POJ), "I like dragons"
3321Apple Tree5791POJ Monthly--2007.08.05, Huang, Jinsong
3320Jessica's Reading Problem3904POJ Monthly--2007.08.05, Jerry
3241Object Clustering423POJ Monthly--2007.08.05, Li, Haoyuan
3318Matrix Multiplication2382POJ Monthly--2007.08.05, qzc
3322Bloxorz I1394POJ Monthly--2007.08.05, Rainer
3323Bloxorz II135POJ Monthly--2007.08.05, Rainer
3372Candy Distribution2754POJ Monthly--2007.09.09, ailyanlu@zsu
3377Ferry Lanes621POJ Monthly--2007.09.09, Dagger
3371Flesch Reading Ease492POJ Monthly--2007.09.09, frkstyc
3373Changing Digits778POJ Monthly--2007.09.09, Rainer
3378Crazy Thairs1101POJ Monthly--2007.09.09, tdzl2003
3374Cake Share596POJ Monthly--2007.09.09, Updog
3375Network Connection452POJ Monthly--2007.09.09, Updog
3376Finding Palindromes382POJ Monthly--2007.09.09, Zhou Gelin, modified from POI06
3421X-factor Chains1886POJ Monthly--2007.10.06, ailyanlu@zsu
3418Quadratic Functions99POJ Monthly--2007.10.06, Amber(hupo001)@POJ
3420Quad Tiling1546POJ Monthly--2007.10.06, Dagger
3422Kaka's Matrix Travels2183POJ Monthly--2007.10.06, Huang, Jinsong
3419Difference Is Beautiful453POJ Monthly--2007.10.06, SHOIT@ZSU
3416Crossing535POJ Monthly--2007.10.06, Wang Dong
3415Common Substrings2013POJ Monthly--2007.10.06, wintokk
3417Network1281POJ Monthly--2007.10.06, Yang Mu
3464Approximations19POJ Monthly--2007.11.25, Yang Yi
3465Battle398POJ Monthly--2007.11.25, Yang Yi
3466Distance to the Prey14POJ Monthly--2007.11.25, Yang Yi
3467Cross Counting285POJ Monthly--2007.11.25, Yang Yi
3468A Simple Problem with Integers14928POJ Monthly--2007.11.25, Yang Yi
3469Dual Core CPU3543POJ Monthly--2007.11.25, Zhou Dong
3470Walls198POJ Monthly--2007.11.25, Zhou Dong
3471Integral Roots171POJ Monthly--2007.11.25, Zhou Dong
Total 280 Problems match!

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