Online JudgeProblem SetAuthorsOnline ContestsUser
Web Board
Home Page
F.A.Qs
Statistical Charts
Problems
Submit Problem
Online Status
Prob.ID:
Register
Update your info
Authors ranklist
Current Contest
Past Contests
Scheduled Contests
Award Contest
User ID:
Password:
  Register
北京大学ACM/ICPC竞赛训练暑期课面向全球招生!
Search Result
Search: IN   Find problems that your team haven't solved
IDTitleSolvedSource
3738Card Game66PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Asukalt
3737UmBasketella1748PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), cyqclark
3739Special Squares239PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Doraemonok
3735Training little cats1458PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Facer
3731Escape314PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Rainer
3732Paint Me Less78PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Rainer
3733Shadow Area29PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Rainer
3734Blocks1776PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Simon
3736Snipe the Sniper332PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), TN
3218Alignments188PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc
3220Context-Free Languages126PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc
3225Help with Intervals1283PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc
3223Football Game69PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc, text by Ikki
3224Go for Lab Cup!4262PKU Local 2007 (POJ Monthly--2007.04.28), ideas from ava, text and test cases by frkstyc
3219Binomial Coefficients2283PKU Local 2007 (POJ Monthly--2007.04.28), Ikki
3222Edge Pairing292PKU Local 2007 (POJ Monthly--2007.04.28), ufx
3221Diamond Puzzle604PKU Local 2007 (POJ Monthly--2007.04.28), wenxichang
1810Covering122POJ Monthly
1811Prime Test2302POJ Monthly
1812Zuma Game82POJ Monthly
1813Overlapped Shapes135POJ Monthly
1814Polynomial14POJ Monthly
1815Friendship1141POJ Monthly
1816Wild Words688POJ Monthly
3745Keep Contact9POJ Monthly Contest - 2009.08.23, Elaxia
3743LL’s cake74POJ Monthly Contest - 2009.08.23, Isun
3746Teacher YYF164POJ Monthly Contest - 2009.08.23, Jason
3740Easy Finding2079POJ Monthly Contest - 2009.08.23, MasterLuo
3744Scout YYF I1236POJ Monthly Contest - 2009.08.23, Simon
3747Scout YYF II235POJ Monthly Contest - 2009.08.23, Simon
3741Number System Converter139POJ Monthly Contest - 2009.08.23, wjn
3742Equivalent Polynomial377POJ Monthly Contest - 2009.08.23, wjn
3758The story of three kingdoms XI23POJ Monthly Contest - 2010.04.04, 1318dotaer
3755The Training of Chain Lightning26POJ Monthly Contest - 2010.04.04, Mars
3756Chess Game198POJ Monthly Contest - 2010.04.04, Mars
3757Simple Distributed storage system192POJ Monthly Contest - 2010.04.04, Yao Jinyu
3759Simple Distributed computing system58POJ Monthly Contest - 2010.04.04, Yao Jinyu
3721Darkterror's Combos53POJ Monthly Contest – 2009.02.22, Dagger
3722We're Going In11POJ Monthly Contest – 2009.02.22, Dagger
3717Decrypt the Dragon Scroll80POJ Monthly Contest – 2009.02.22, Facer
3718Facer's Chocolate Dream79POJ Monthly Contest – 2009.02.22, Facer
3720Occurrence of Digits1324POJ Monthly Contest – 2009.02.22, Lei Tao
3719Art of Balance148POJ Monthly Contest – 2009.02.22, Mars
3716Panda's Birthday Present859POJ Monthly Contest – 2009.02.22, Simon
3715Blue and Red485POJ Monthly Contest – 2009.02.22, Windy
3729Facer’s string260POJ Monthly Contest – 2009.04.05, Facer
3728The merchant619POJ Monthly Contest – 2009.04.05, GaoYihan
3730Ebbinghaus method56POJ Monthly Contest – 2009.04.05, geniushjs
3727Newton’s Method123POJ Monthly Contest – 2009.04.05, longpo
3724Find the parameter389POJ Monthly Contest – 2009.04.05, Simon
3726Windy's ABC187POJ Monthly Contest – 2009.04.05, windy7926778
3723Conscription2281POJ Monthly Contest – 2009.04.05, windy7926778
3725I know the k-th integer402POJ Monthly Contest – 2009.04.05, windy7926778
2438Children's Dining331POJ Monthly,anonymous
2444Partition a Matrix373POJ Monthly,c0500301036
2446Chessboard2590POJ Monthly,charlescpp
2310Cubic Tick-Tack-Toe40POJ Monthly,CHEN Shixi(xreborner)
2311Cutting Game804POJ Monthly,CHEN Shixi(xreborner)
2233GAME AGAIN!124POJ Monthly,dodo
2442Sequence1294POJ Monthly,Guang Lin
2445Squares88POJ Monthly,Guang Lin
2236Wireless Network4483POJ Monthly,HQM
2237Can 1 Marine win 2 Zerglings?36POJ Monthly,HQM
2235Triangularize the Convex Hull31POJ Monthly,kicc
2314POJ language51POJ Monthly,kicc
2153Rank List1840POJ Monthly,Li Haoyuan
2239Selecting Courses3074POJ Monthly,Li Haoyuan
2156National Day Celebration82POJ Monthly,Loger
2152Fire444POJ Monthly,Lou Tiancheng
2154Color1321POJ Monthly,Lou Tiancheng
2155Matrix4555POJ Monthly,Lou Tiancheng
2309BST4494POJ Monthly,Minkerui
2313Sequence1140POJ Monthly,Minkerui
2443Set Operation657POJ Monthly,Minkerui
2448A New Operating System61POJ Monthly,Minkerui
2234Matches Game4220POJ Monthly,readchild
1817Traffic Jam75POJ Monthly,Southeast USA 1999
2440DNA1053POJ Monthly,Static
2447RSA349POJ Monthly,static
2452Sticks Problem1429POJ Monthly,static
2441Arrange the Bulls904POJ Monthly,TN
2315Football Game60POJ Monthly,uni
2157Maze845POJ Monthly,Wang Yijie
2308Dearboy's Puzzle116POJ Monthly,Wang Yijie
2453An Easy Problem3853POJ Monthly,zby03
2439Disconnect the Orange!?67POJ Monthly,Zeyuan Zhu
2449Remmarguts' Date2774POJ Monthly,Zeyuan Zhu
2450A New Kind of Chess35POJ Monthly,Zeyuan Zhu
2451Uyuw's Concert1064POJ Monthly,Zeyuan Zhu
2158A Difficult Mathematics Problem92POJ Monthly,李学武
2232New Stone-Forfex-Cloth Game445POJ Monthly,汪艺杰
2151Check the difficulty of problems1669POJ Monthly,鲁小石
2238Computer Basketball Game68POJ Monthly,鲁小石
2312Battle City1645POJ Monthly,鲁小石
1659Frogs' Neighborhood2432POJ Monthly--2004.05.15 Alcyone@pku
1662CoIns179POJ Monthly--2004.05.15 BearL@pku
1661Help Jimmy2260POJ Monthly--2004.05.15 CEOI 2000
1660Princess FroG397POJ Monthly--2004.05.15 duoshute@pku
1655Balancing Act3015POJ Monthly--2004.05.15 IOI 2003 sample task
1654Area2957POJ Monthly--2004.05.15 Liu Rujia@POJ
1656Counting Black6014POJ Monthly--2004.05.15 Liu Rujia@POJ
1657Distance on Chessboard7474POJ Monthly--2004.05.15 Liu Rujia@POJ
1658Eva's Problem9743POJ Monthly--2004.05.15 Null
1682Clans on the Three Gorges243POJ Monthly--2004.06.27 epic
1675Happy Birthday!816POJ Monthly--2004.06.27 srbga@POJ
1677Girls' Day536POJ Monthly--2004.06.27 srbga@POJ
1678I Love this Game!565POJ Monthly--2004.06.27 srbga@POJ
1679The Unique MST4469POJ Monthly--2004.06.27 srbga@POJ
1680Fork() Makes Trouble236POJ Monthly--2004.06.27 srbga@POJ
1681Painter's Problem1628POJ Monthly--2004.06.27 张嘉龄
1674Sorting by Swapping3892POJ Monthly--2004.06.27 弱人
1676What time is it?449POJ Monthly--2004.06.27 鄂继明
1698Alice's Chance1626POJ Monthly--2004.07.18
1699Best Sequence1315POJ Monthly--2004.07.18
1700Crossing River3512POJ Monthly--2004.07.18
1701Dissatisfying Lift924POJ Monthly--2004.07.18
1702Eva's Balance1624POJ Monthly--2004.07.18
1703Find them, Catch them6179POJ Monthly--2004.07.18
1704Georgia and Bob2070POJ Monthly--2004.07.18
1705Generational Replacement66POJ Monthly--2004.07.18
2519Cutting Necklace74POJ Monthly--2005.07.31, CHEN Shixi
2520DNA Sequence Alignment66POJ Monthly--2005.07.31, CHEN Shixi
2518Little guys' game104POJ Monthly--2005.07.31, Huang Ninghai
2514Ridiculous Addition293POJ Monthly--2005.07.31, Islamic Azad University of Mashhad – Collegiate Coding Challenge 1
2517Cover20POJ Monthly--2005.07.31, LouTianCheng
2516Minimum Cost2521POJ Monthly--2005.07.31, Wang Yijie
2521How much did the businessman lose6160POJ Monthly--2005.07.31, Wang Yijie
2515Birthday Cake236POJ Monthly--2005.07.31, Zeyuan Zhu
2592Standard Point System99POJ Monthly--2005.08.28,anonymous
2596Dice Stacking302POJ Monthly--2005.08.28,Huang Ninghai
2598Match Throwing Game247POJ Monthly--2005.08.28,kicc
2593Max Sequence5446POJ Monthly--2005.08.28,Li Haoyuan
2594Treasure Exploration1958POJ Monthly--2005.08.28,Li Haoyuan
2591Set Definition3308POJ Monthly--2005.08.28,Static
2595Min-Max259POJ Monthly--2005.08.28,Static
2597Line Segment Erase331POJ Monthly--2005.08.28,Static
2748Logs Stacking764POJ Monthly--2006.01.22,anonymous
2751Saving Endeavour532POJ Monthly--2006.01.22,anonymous
2755Dominoes34POJ Monthly--2006.01.22,Loger
2750Potted Flower1103POJ Monthly--2006.01.22,Zeyuan Zhu
2752Seek the Name, Seek the Fame4786POJ Monthly--2006.01.22,Zeyuan Zhu
2753Similarity of necklaces32POJ Monthly--2006.01.22,Zeyuan Zhu
2754Similarity of necklaces 2118POJ Monthly--2006.01.22,Zeyuan Zhu
2749Building roads1132POJ Monthly--2006.01.22,zhucheng
2756Autumn is a Genius1412POJ Monthly--2006.02.26,zgl & twb
2757Beautiful Numbers103POJ Monthly--2006.02.26,zgl & twb
2758Checking the Text350POJ Monthly--2006.02.26,zgl & twb
2759Distributing tasks145POJ Monthly--2006.02.26,zgl & twb
2760End of Windless Days138POJ Monthly--2006.02.26,zgl & twb
2761Feed the dogs2270POJ Monthly--2006.02.26,zgl & twb
2762Going from u to v or from v to u?2300POJ Monthly--2006.02.26,zgl & twb
2763Housewife Wind971POJ Monthly--2006.02.26,zgl & twb
2777Count Color5831POJ Monthly--2006.03.26,dodo
2778DNA Sequence2058POJ Monthly--2006.03.26,dodo
2775The Number of the Same BST310POJ Monthly--2006.03.26,newton88518
2773Happy 20061940POJ Monthly--2006.03.26,static
2780Linearity1133POJ Monthly--2006.03.26,static
2774Long Long Message3615POJ Monthly--2006.03.26,Zeyuan Zhu,"Dedicate to my great beloved mother."
2779Atom Bombs!? God!42POJ Monthly--2006.03.26,Zeyuan Zhu,Modified from NEERC2005 Area
2776Cheat at Math17POJ Monthly--2006.03.26,Zeyuan Zhu,Modified from Timus 1429
2825Perfect Permutation126POJ Monthly--2006.04.28, Dagger@PKU_RPWT
2826An Easy Problem?!875POJ Monthly--2006.04.28, Dagger@PKU_RPWT
2819TN's Kingdom I - Establishment175POJ Monthly--2006.04.28, frkstyc@PKU_RPWT
2820TN's Kingdom II - Construction37POJ Monthly--2006.04.28, frkstyc@PKU_RPWT
2821TN's Kingdom III - Assassination25POJ Monthly--2006.04.28, frkstyc@PKU_RPWT
2822TN's Kingdom IV - Collapse76POJ Monthly--2006.04.28, frkstyc@PKU_RPWT
2823Sliding Window6201POJ Monthly--2006.04.28, Ikki
2824Bohemian Rhapsody17POJ Monthly--2006.04.28, TN@PKU_RPWT
2834Where Are You?168POJ Monthly--2006.05.28, Judas
2829How Many Free Dimensions?25POJ Monthly--2006.05.28, Liang, Shaochi
2827Auto-Calculation Machine325POJ Monthly--2006.05.28, Static
2830Max Sequence II83POJ Monthly--2006.05.28, Static
2833The Average2095POJ Monthly--2006.05.28, zby03
2828Buy Tickets4192POJ Monthly--2006.05.28, Zhu, Zeyuan
2831Can We Build This One?332POJ Monthly--2006.05.28, zhucheng
2832How Many Pairs?426POJ Monthly--2006.05.28, zhucheng
2843Cutting Cake127POJ Monthly--2006.06.25, Chen Xue
2837Silver Matrix533POJ Monthly--2006.06.25, Lei Tao
2840Big Clock5708POJ Monthly--2006.06.25, Lei Tao
2839Convex Hull and Triangle21POJ Monthly--2006.06.25, Long Fan
2842N-dimension Matching66POJ Monthly--2006.06.25, Long Fan
2841Navigation Game51POJ Monthly--2006.06.25, Yang Yi
2844Sum and Product67POJ Monthly--2006.06.25, Yang Yi
2838Graph Connectivity470POJ Monthly--2006.06.25, Zheng Zhao
2888Magic Bracelet736POJ Monthly--2006.07.30, cuiaoxiang
2893M × N Puzzle626POJ Monthly--2006.07.30, newton88518
2886Who Gets the Most Candies?1886POJ Monthly--2006.07.30, Sempr
2890Matrix Multiplication354POJ Monthly--2006.07.30, Static
2891Strange Way to Express Integers1997POJ Monthly--2006.07.30, Static
2892Tunnel Warfare1765POJ Monthly--2006.07.30, updog
2889Unique Solution155POJ Monthly--2006.07.30, Wang, Yijie
2887Big String909POJ Monthly--2006.07.30, zhucheng
2982Time Travel361POJ Monthly--2006.08.27, Dagger
2983Is the Information Reliable?1836POJ Monthly--2006.08.27, Dagger
2981Deal of Fortune12POJ Monthly--2006.08.27, frkstyc
2987Firing1246POJ Monthly--2006.08.27, frkstyc
2988Function Approximation35POJ Monthly--2006.08.27, frkstyc
2986A Triangle and a Circle336POJ Monthly--2006.08.27, Rainer
2984A New Joseph Problem467POJ Monthly--2006.08.27, zcgzcgzcg
2985The k-th Largest Group1444POJ Monthly--2006.08.27, zcgzcgzcg
3015Expected Difference243POJ Monthly--2006.09.29, ACRush
3016K-Monotonic197POJ Monthly--2006.09.29, ACRush, modified from TopCoder SRM 309 KMonotonic
3012A Number from Yanghui Triangle601POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ)
3013Big Christmas Tree2027POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ)
3014Cake Pieces and Plates1139POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ)
3018Giftbox712POJ Monthly--2006.09.29, sza
3019Image Rotation16POJ Monthly--2006.09.29, zby03
3017Cut the Sequence1325POJ Monthly--2006.09.29, zhucheng
3162Walking Race410POJ Monthly--2006.12.31, flymouse
3163King of Fighters83POJ Monthly--2006.12.31, flymouse
3161Numerical Integration3POJ Monthly--2006.12.31, galaxy
3164Command Network1812POJ Monthly--2006.12.31, galaxy
3159Candies2999POJ Monthly--2006.12.31, Sempr
3160Father Christmas flymouse553POJ Monthly--2006.12.31, Sempr
3165Traveling Trio18POJ Monthly--2006.12.31, Zhu, Zeyuan
3166Jumping Frog70POJ Monthly--2006.12.31, Zhu, Zeyuan
3202A Very Simple Compiler2POJ Monthly--2007.03.04, Hou, Qiming
3203Incremental Python Parsing6POJ Monthly--2007.03.04, Hou, Qiming
3204Ikki's Story I - Road Reconstruction1120POJ Monthly--2007.03.04, Ikki
3205Ikki's Story II - War with TN167POJ Monthly--2007.03.04, Ikki
3206Ikki's Story III - Rescue frkstyc!90POJ Monthly--2007.03.04, Ikki
3207Ikki's Story IV - Panda's Trick2020POJ Monthly--2007.03.04, Ikki
3209From Pythagoras to …197POJ Monthly--2007.03.04, Ikki
3208Apocalypse Someday497POJ Monthly--2007.03.04, Ikki, adapted from TCHS SRM 2 ApocalypseSomeday
3216Repairing Company1187POJ Monthly--2007.04.01, crazyb0y
3214Heap370POJ Monthly--2007.04.01, czh
3211Washing Clothes1963POJ Monthly--2007.04.01, dearboy
3215Median of Lines129POJ Monthly--2007.04.01, dearboy
3217Eugenics252POJ Monthly--2007.04.01, Huang, Jinsong
3212Rescue Alice266POJ Monthly--2007.04.01, Liu, Cheng
3210Coins4086POJ Monthly--2007.04.01, Snoopy
3213PM3762POJ Monthly--2007.04.01, zhucheng
3233Matrix Power Series3664POJ Monthly--2007.06.03, Huang, Jinsong
3240Solution to the n2 − 1 Puzzle39POJ Monthly--2007.06.03, Huang, Jinsong
3234The Kylin Den12POJ Monthly--2007.06.03, Jia, You
3236Michelle's Evaluation59POJ Monthly--2007.06.03, Jia, You
3235Super Knight30POJ Monthly--2007.06.03, Lei, Tao
3237Tree836POJ Monthly--2007.06.03, Lei, Tao
3238A Coin Game65POJ Monthly--2007.06.03, Yao, Jinyu
3239Solution to the n Queens Puzzle1061POJ Monthly--2007.06.03, Yao, Jinyu
3245Sequence Partitioning154POJ Monthly--2007.07.08, Chen, Danqi
32423-dimensional Musical Water-fence26POJ Monthly--2007.07.08, Chen, Qifeng
3248Soldier59POJ Monthly--2007.07.08, Chen, Qifeng
3243Clever Y689POJ Monthly--2007.07.08, Guo, Huayang
3247Robots4POJ Monthly--2007.07.08, Guo, Huayang
3246Game175POJ Monthly--2007.07.08, Wang, Dong
3244Difference between Triplets551POJ Monthly--2007.07.08, Yuan, Xinhao
3249Test for Job1263POJ Monthly--2007.07.08, 落叶飞雪
3324Lucas-Lehmer Test90POJ Monthly--2007.08.05, frkstyc
3319Dragon Slayer Qualification Exam78POJ Monthly--2007.08.05, Hooyeon Lee (ltdtl@POJ), "I like dragons"
3321Apple Tree3634POJ Monthly--2007.08.05, Huang, Jinsong
3320Jessica's Reading Problem2010POJ Monthly--2007.08.05, Jerry
3241Object Clustering273POJ Monthly--2007.08.05, Li, Haoyuan
3318Matrix Multiplication1882POJ Monthly--2007.08.05, qzc
3322Bloxorz I965POJ Monthly--2007.08.05, Rainer
3323Bloxorz II87POJ Monthly--2007.08.05, Rainer
3372Candy Distribution2609POJ Monthly--2007.09.09, ailyanlu@zsu
3377Ferry Lanes537POJ Monthly--2007.09.09, Dagger
3371Flesch Reading Ease400POJ Monthly--2007.09.09, frkstyc
3373Changing Digits650POJ Monthly--2007.09.09, Rainer
3378Crazy Thairs1013POJ Monthly--2007.09.09, tdzl2003
3374Cake Share583POJ Monthly--2007.09.09, Updog
3375Network Connection407POJ Monthly--2007.09.09, Updog
3376Finding Palindromes262POJ Monthly--2007.09.09, Zhou Gelin, modified from POI06
3421X-factor Chains1364POJ Monthly--2007.10.06, ailyanlu@zsu
3418Quadratic Functions86POJ Monthly--2007.10.06, Amber(hupo001)@POJ
3420Quad Tiling1212POJ Monthly--2007.10.06, Dagger
3422Kaka's Matrix Travels1731POJ Monthly--2007.10.06, Huang, Jinsong
3419Difference Is Beautiful361POJ Monthly--2007.10.06, SHOIT@ZSU
3416Crossing488POJ Monthly--2007.10.06, Wang Dong
3415Common Substrings1323POJ Monthly--2007.10.06, wintokk
3417Network586POJ Monthly--2007.10.06, Yang Mu
3464Approximations17POJ Monthly--2007.11.25, Yang Yi
3465Battle339POJ Monthly--2007.11.25, Yang Yi
3466Distance to the Prey13POJ Monthly--2007.11.25, Yang Yi
3467Cross Counting263POJ Monthly--2007.11.25, Yang Yi
3468A Simple Problem with Integers9124POJ Monthly--2007.11.25, Yang Yi
3469Dual Core CPU2642POJ Monthly--2007.11.25, Zhou Dong
3470Walls102POJ Monthly--2007.11.25, Zhou Dong
3471Integral Roots153POJ Monthly--2007.11.25, Zhou Dong
Total 280 Problems match!

Home Page   Go Back  To top


All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator