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
Search Result
Search: IN   Find problems that your team haven't solved
IDTitleSolvedSource
3738Card Game73PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Asukalt
3737UmBasketella2799PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), cyqclark
3739Special Squares270PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Doraemonok
3735Training little cats1961PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Facer
3731Escape374PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Rainer
3732Paint Me Less96PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Rainer
3733Shadow Area39PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Rainer
3734Blocks2810PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Simon
3736Snipe the Sniper356PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), TN
3218Alignments210PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc
3220Context-Free Languages130PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc
3225Help with Intervals1594PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc
3223Football Game76PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc, text by Ikki
3224Go for Lab Cup!4433PKU Local 2007 (POJ Monthly--2007.04.28), ideas from ava, text and test cases by frkstyc
3219Binomial Coefficients2449PKU Local 2007 (POJ Monthly--2007.04.28), Ikki
3222Edge Pairing317PKU Local 2007 (POJ Monthly--2007.04.28), ufx
3221Diamond Puzzle664PKU Local 2007 (POJ Monthly--2007.04.28), wenxichang
1810Covering128POJ Monthly
1811Prime Test3678POJ Monthly
1812Zuma Game95POJ Monthly
1813Overlapped Shapes149POJ Monthly
1814Polynomial16POJ Monthly
1815Friendship1362POJ Monthly
1816Wild Words889POJ Monthly
3745Keep Contact12POJ Monthly Contest - 2009.08.23, Elaxia
3743LL’s cake92POJ Monthly Contest - 2009.08.23, Isun
3746Teacher YYF212POJ Monthly Contest - 2009.08.23, Jason
3740Easy Finding2289POJ Monthly Contest - 2009.08.23, MasterLuo
3744Scout YYF I1760POJ Monthly Contest - 2009.08.23, Simon
3747Scout YYF II244POJ Monthly Contest - 2009.08.23, Simon
3741Number System Converter146POJ Monthly Contest - 2009.08.23, wjn
3742Equivalent Polynomial384POJ Monthly Contest - 2009.08.23, wjn
3758The story of three kingdoms XI29POJ 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 system218POJ Monthly Contest - 2010.04.04, Yao Jinyu
3759Simple Distributed computing system64POJ 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 Scroll109POJ Monthly Contest – 2009.02.22, Facer
3718Facer's Chocolate Dream121POJ Monthly Contest – 2009.02.22, Facer
3720Occurrence of Digits1352POJ Monthly Contest – 2009.02.22, Lei Tao
3719Art of Balance152POJ Monthly Contest – 2009.02.22, Mars
3716Panda's Birthday Present929POJ Monthly Contest – 2009.02.22, Simon
3715Blue and Red524POJ Monthly Contest – 2009.02.22, Windy
3729Facer’s string327POJ Monthly Contest – 2009.04.05, Facer
3728The merchant1060POJ Monthly Contest – 2009.04.05, GaoYihan
3730Ebbinghaus method62POJ Monthly Contest – 2009.04.05, geniushjs
3727Newton’s Method127POJ Monthly Contest – 2009.04.05, longpo
3724Find the parameter400POJ Monthly Contest – 2009.04.05, Simon
3726Windy's ABC192POJ Monthly Contest – 2009.04.05, windy7926778
3723Conscription3947POJ Monthly Contest – 2009.04.05, windy7926778
3725I know the k-th integer423POJ Monthly Contest – 2009.04.05, windy7926778
2438Children's Dining434POJ Monthly,anonymous
2444Partition a Matrix437POJ Monthly,c0500301036
2446Chessboard3451POJ Monthly,charlescpp
2310Cubic Tick-Tack-Toe43POJ Monthly,CHEN Shixi(xreborner)
2311Cutting Game1567POJ Monthly,CHEN Shixi(xreborner)
2233GAME AGAIN!136POJ Monthly,dodo
2442Sequence2012POJ Monthly,Guang Lin
2445Squares99POJ Monthly,Guang Lin
2236Wireless Network7409POJ Monthly,HQM
2237Can 1 Marine win 2 Zerglings?49POJ Monthly,HQM
2235Triangularize the Convex Hull35POJ Monthly,kicc
2314POJ language68POJ Monthly,kicc
2153Rank List1995POJ Monthly,Li Haoyuan
2239Selecting Courses3521POJ Monthly,Li Haoyuan
2156National Day Celebration101POJ Monthly,Loger
2152Fire707POJ Monthly,Lou Tiancheng
2154Color1850POJ Monthly,Lou Tiancheng
2155Matrix6445POJ Monthly,Lou Tiancheng
2309BST5050POJ Monthly,Minkerui
2313Sequence1237POJ Monthly,Minkerui
2443Set Operation1072POJ Monthly,Minkerui
2448A New Operating System84POJ Monthly,Minkerui
2234Matches Game5207POJ Monthly,readchild
1817Traffic Jam110POJ Monthly,Southeast USA 1999
2440DNA1142POJ Monthly,Static
2447RSA413POJ Monthly,static
2452Sticks Problem1939POJ Monthly,static
2441Arrange the Bulls1311POJ Monthly,TN
2315Football Game164POJ Monthly,uni
2157Maze997POJ Monthly,Wang Yijie
2308Dearboy's Puzzle194POJ Monthly,Wang Yijie
2453An Easy Problem4188POJ Monthly,zby03
2439Disconnect the Orange!?70POJ Monthly,Zeyuan Zhu
2449Remmarguts' Date5199POJ Monthly,Zeyuan Zhu
2450A New Kind of Chess38POJ Monthly,Zeyuan Zhu
2451Uyuw's Concert1424POJ Monthly,Zeyuan Zhu
2158A Difficult Mathematics Problem104POJ Monthly,李学武
2232New Stone-Forfex-Cloth Game501POJ Monthly,汪艺杰
2151Check the difficulty of problems2331POJ Monthly,鲁小石
2238Computer Basketball Game94POJ Monthly,鲁小石
2312Battle City2601POJ Monthly,鲁小石
1659Frogs' Neighborhood3100POJ Monthly--2004.05.15 Alcyone@pku
1662CoIns191POJ Monthly--2004.05.15 BearL@pku
1661Help Jimmy3158POJ Monthly--2004.05.15 CEOI 2000
1660Princess FroG404POJ Monthly--2004.05.15 duoshute@pku
1655Balancing Act5125POJ Monthly--2004.05.15 IOI 2003 sample task
1654Area3558POJ Monthly--2004.05.15 Liu Rujia@POJ
1656Counting Black6336POJ Monthly--2004.05.15 Liu Rujia@POJ
1657Distance on Chessboard8067POJ Monthly--2004.05.15 Liu Rujia@POJ
1658Eva's Problem10135POJ Monthly--2004.05.15 Null
1682Clans on the Three Gorges309POJ Monthly--2004.06.27 epic
1675Happy Birthday!885POJ Monthly--2004.06.27 srbga@POJ
1677Girls' Day579POJ Monthly--2004.06.27 srbga@POJ
1678I Love this Game!715POJ Monthly--2004.06.27 srbga@POJ
1679The Unique MST6414POJ Monthly--2004.06.27 srbga@POJ
1680Fork() Makes Trouble299POJ Monthly--2004.06.27 srbga@POJ
1681Painter's Problem2169POJ Monthly--2004.06.27 张嘉龄
1674Sorting by Swapping4055POJ Monthly--2004.06.27 弱人
1676What time is it?627POJ Monthly--2004.06.27 鄂继明
1698Alice's Chance1899POJ Monthly--2004.07.18
1699Best Sequence3077POJ Monthly--2004.07.18
1700Crossing River6138POJ Monthly--2004.07.18
1701Dissatisfying Lift1015POJ Monthly--2004.07.18
1702Eva's Balance1729POJ Monthly--2004.07.18
1703Find them, Catch them8940POJ Monthly--2004.07.18
1704Georgia and Bob3178POJ Monthly--2004.07.18
1705Generational Replacement75POJ Monthly--2004.07.18
2519Cutting Necklace81POJ Monthly--2005.07.31, CHEN Shixi
2520DNA Sequence Alignment76POJ Monthly--2005.07.31, CHEN Shixi
2518Little guys' game108POJ Monthly--2005.07.31, Huang Ninghai
2514Ridiculous Addition308POJ Monthly--2005.07.31, Islamic Azad University of Mashhad – Collegiate Coding Challenge 1
2517Cover23POJ Monthly--2005.07.31, LouTianCheng
2516Minimum Cost3253POJ Monthly--2005.07.31, Wang Yijie
2521How much did the businessman lose6905POJ Monthly--2005.07.31, Wang Yijie
2515Birthday Cake252POJ Monthly--2005.07.31, Zeyuan Zhu
2592Standard Point System106POJ Monthly--2005.08.28,anonymous
2596Dice Stacking313POJ Monthly--2005.08.28,Huang Ninghai
2598Match Throwing Game258POJ Monthly--2005.08.28,kicc
2593Max Sequence6068POJ Monthly--2005.08.28,Li Haoyuan
2594Treasure Exploration2668POJ Monthly--2005.08.28,Li Haoyuan
2591Set Definition3437POJ Monthly--2005.08.28,Static
2595Min-Max281POJ Monthly--2005.08.28,Static
2597Line Segment Erase348POJ Monthly--2005.08.28,Static
2748Logs Stacking803POJ Monthly--2006.01.22,anonymous
2751Saving Endeavour694POJ Monthly--2006.01.22,anonymous
2755Dominoes38POJ Monthly--2006.01.22,Loger
2750Potted Flower1383POJ Monthly--2006.01.22,Zeyuan Zhu
2752Seek the Name, Seek the Fame7014POJ Monthly--2006.01.22,Zeyuan Zhu
2753Similarity of necklaces35POJ Monthly--2006.01.22,Zeyuan Zhu
2754Similarity of necklaces 2179POJ Monthly--2006.01.22,Zeyuan Zhu
2749Building roads1426POJ Monthly--2006.01.22,zhucheng
2756Autumn is a Genius1500POJ Monthly--2006.02.26,zgl & twb
2757Beautiful Numbers112POJ Monthly--2006.02.26,zgl & twb
2758Checking the Text468POJ Monthly--2006.02.26,zgl & twb
2759Distributing tasks156POJ Monthly--2006.02.26,zgl & twb
2760End of Windless Days183POJ Monthly--2006.02.26,zgl & twb
2761Feed the dogs3021POJ Monthly--2006.02.26,zgl & twb
2762Going from u to v or from v to u?2876POJ Monthly--2006.02.26,zgl & twb
2763Housewife Wind1756POJ Monthly--2006.02.26,zgl & twb
2777Count Color7940POJ Monthly--2006.03.26,dodo
2778DNA Sequence2961POJ Monthly--2006.03.26,dodo
2775The Number of the Same BST423POJ Monthly--2006.03.26,newton88518
2773Happy 20062571POJ Monthly--2006.03.26,static
2780Linearity1203POJ Monthly--2006.03.26,static
2774Long Long Message5355POJ Monthly--2006.03.26,Zeyuan Zhu,"Dedicate to my great beloved mother."
2779Atom Bombs!? God!44POJ Monthly--2006.03.26,Zeyuan Zhu,Modified from NEERC2005 Area
2776Cheat at Math18POJ Monthly--2006.03.26,Zeyuan Zhu,Modified from Timus 1429
2825Perfect Permutation152POJ Monthly--2006.04.28, Dagger@PKU_RPWT
2826An Easy Problem?!1273POJ Monthly--2006.04.28, Dagger@PKU_RPWT
2819TN's Kingdom I - Establishment181POJ Monthly--2006.04.28, frkstyc@PKU_RPWT
2820TN's Kingdom II - Construction38POJ Monthly--2006.04.28, frkstyc@PKU_RPWT
2821TN's Kingdom III - Assassination75POJ Monthly--2006.04.28, frkstyc@PKU_RPWT
2822TN's Kingdom IV - Collapse78POJ Monthly--2006.04.28, frkstyc@PKU_RPWT
2823Sliding Window9612POJ Monthly--2006.04.28, Ikki
2824Bohemian Rhapsody18POJ Monthly--2006.04.28, TN@PKU_RPWT
2834Where Are You?173POJ Monthly--2006.05.28, Judas
2829How Many Free Dimensions?26POJ Monthly--2006.05.28, Liang, Shaochi
2827Auto-Calculation Machine348POJ Monthly--2006.05.28, Static
2830Max Sequence II84POJ Monthly--2006.05.28, Static
2833The Average2606POJ Monthly--2006.05.28, zby03
2828Buy Tickets5934POJ Monthly--2006.05.28, Zhu, Zeyuan
2831Can We Build This One?449POJ Monthly--2006.05.28, zhucheng
2832How Many Pairs?452POJ Monthly--2006.05.28, zhucheng
2843Cutting Cake134POJ Monthly--2006.06.25, Chen Xue
2837Silver Matrix574POJ Monthly--2006.06.25, Lei Tao
2840Big Clock5932POJ Monthly--2006.06.25, Lei Tao
2839Convex Hull and Triangle30POJ Monthly--2006.06.25, Long Fan
2842N-dimension Matching86POJ Monthly--2006.06.25, Long Fan
2841Navigation Game68POJ Monthly--2006.06.25, Yang Yi
2844Sum and Product74POJ Monthly--2006.06.25, Yang Yi
2838Graph Connectivity506POJ Monthly--2006.06.25, Zheng Zhao
2888Magic Bracelet1039POJ Monthly--2006.07.30, cuiaoxiang
2893M × N Puzzle863POJ Monthly--2006.07.30, newton88518
2886Who Gets the Most Candies?2532POJ Monthly--2006.07.30, Sempr
2890Matrix Multiplication373POJ Monthly--2006.07.30, Static
2891Strange Way to Express Integers3546POJ Monthly--2006.07.30, Static
2892Tunnel Warfare2319POJ Monthly--2006.07.30, updog
2889Unique Solution166POJ Monthly--2006.07.30, Wang, Yijie
2887Big String1189POJ Monthly--2006.07.30, zhucheng
2982Time Travel372POJ Monthly--2006.08.27, Dagger
2983Is the Information Reliable?2354POJ Monthly--2006.08.27, Dagger
2981Deal of Fortune23POJ Monthly--2006.08.27, frkstyc
2987Firing1709POJ Monthly--2006.08.27, frkstyc
2988Function Approximation40POJ Monthly--2006.08.27, frkstyc
2986A Triangle and a Circle451POJ Monthly--2006.08.27, Rainer
2984A New Joseph Problem476POJ Monthly--2006.08.27, zcgzcgzcg
2985The k-th Largest Group1741POJ Monthly--2006.08.27, zcgzcgzcg
3015Expected Difference260POJ Monthly--2006.09.29, ACRush
3016K-Monotonic263POJ Monthly--2006.09.29, ACRush, modified from TopCoder SRM 309 KMonotonic
3012A Number from Yanghui Triangle625POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ)
3013Big Christmas Tree2572POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ)
3014Cake Pieces and Plates1190POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ)
3018Giftbox746POJ Monthly--2006.09.29, sza
3019Image Rotation17POJ Monthly--2006.09.29, zby03
3017Cut the Sequence1944POJ Monthly--2006.09.29, zhucheng
3162Walking Race585POJ Monthly--2006.12.31, flymouse
3163King of Fighters86POJ Monthly--2006.12.31, flymouse
3161Numerical Integration4POJ Monthly--2006.12.31, galaxy
3164Command Network2336POJ Monthly--2006.12.31, galaxy
3159Candies4471POJ Monthly--2006.12.31, Sempr
3160Father Christmas flymouse718POJ Monthly--2006.12.31, Sempr
3165Traveling Trio19POJ Monthly--2006.12.31, Zhu, Zeyuan
3166Jumping Frog74POJ Monthly--2006.12.31, Zhu, Zeyuan
3202A Very Simple Compiler4POJ Monthly--2007.03.04, Hou, Qiming
3203Incremental Python Parsing8POJ Monthly--2007.03.04, Hou, Qiming
3204Ikki's Story I - Road Reconstruction1343POJ Monthly--2007.03.04, Ikki
3205Ikki's Story II - War with TN175POJ Monthly--2007.03.04, Ikki
3206Ikki's Story III - Rescue frkstyc!95POJ Monthly--2007.03.04, Ikki
3207Ikki's Story IV - Panda's Trick2618POJ Monthly--2007.03.04, Ikki
3209From Pythagoras to …207POJ Monthly--2007.03.04, Ikki
3208Apocalypse Someday954POJ Monthly--2007.03.04, Ikki, adapted from TCHS SRM 2 ApocalypseSomeday
3216Repairing Company1342POJ Monthly--2007.04.01, crazyb0y
3214Heap439POJ Monthly--2007.04.01, czh
3211Washing Clothes2210POJ Monthly--2007.04.01, dearboy
3215Median of Lines134POJ Monthly--2007.04.01, dearboy
3217Eugenics262POJ Monthly--2007.04.01, Huang, Jinsong
3212Rescue Alice277POJ Monthly--2007.04.01, Liu, Cheng
3210Coins4408POJ Monthly--2007.04.01, Snoopy
3213PM3992POJ Monthly--2007.04.01, zhucheng
3233Matrix Power Series6969POJ Monthly--2007.06.03, Huang, Jinsong
3240Solution to the n2 − 1 Puzzle44POJ Monthly--2007.06.03, Huang, Jinsong
3234The Kylin Den15POJ Monthly--2007.06.03, Jia, You
3236Michelle's Evaluation64POJ Monthly--2007.06.03, Jia, You
3235Super Knight40POJ Monthly--2007.06.03, Lei, Tao
3237Tree1309POJ Monthly--2007.06.03, Lei, Tao
3238A Coin Game73POJ Monthly--2007.06.03, Yao, Jinyu
3239Solution to the n Queens Puzzle1274POJ Monthly--2007.06.03, Yao, Jinyu
3245Sequence Partitioning199POJ Monthly--2007.07.08, Chen, Danqi
32423-dimensional Musical Water-fence27POJ Monthly--2007.07.08, Chen, Qifeng
3248Soldier63POJ Monthly--2007.07.08, Chen, Qifeng
3243Clever Y1029POJ Monthly--2007.07.08, Guo, Huayang
3247Robots7POJ Monthly--2007.07.08, Guo, Huayang
3246Game248POJ Monthly--2007.07.08, Wang, Dong
3244Difference between Triplets624POJ Monthly--2007.07.08, Yuan, Xinhao
3249Test for Job1628POJ Monthly--2007.07.08, 落叶飞雪
3324Lucas-Lehmer Test95POJ Monthly--2007.08.05, frkstyc
3319Dragon Slayer Qualification Exam81POJ Monthly--2007.08.05, Hooyeon Lee (ltdtl@POJ), "I like dragons"
3321Apple Tree6284POJ Monthly--2007.08.05, Huang, Jinsong
3320Jessica's Reading Problem4192POJ Monthly--2007.08.05, Jerry
3241Object Clustering436POJ Monthly--2007.08.05, Li, Haoyuan
3318Matrix Multiplication3418POJ Monthly--2007.08.05, qzc
3322Bloxorz I1481POJ Monthly--2007.08.05, Rainer
3323Bloxorz II139POJ Monthly--2007.08.05, Rainer
3372Candy Distribution2772POJ Monthly--2007.09.09, ailyanlu@zsu
3377Ferry Lanes638POJ Monthly--2007.09.09, Dagger
3371Flesch Reading Ease499POJ Monthly--2007.09.09, frkstyc
3373Changing Digits794POJ Monthly--2007.09.09, Rainer
3378Crazy Thairs1109POJ Monthly--2007.09.09, tdzl2003
3374Cake Share607POJ Monthly--2007.09.09, Updog
3375Network Connection466POJ Monthly--2007.09.09, Updog
3376Finding Palindromes391POJ Monthly--2007.09.09, Zhou Gelin, modified from POI06
3421X-factor Chains2005POJ Monthly--2007.10.06, ailyanlu@zsu
3418Quadratic Functions101POJ Monthly--2007.10.06, Amber(hupo001)@POJ
3420Quad Tiling1590POJ Monthly--2007.10.06, Dagger
3422Kaka's Matrix Travels2223POJ Monthly--2007.10.06, Huang, Jinsong
3419Difference Is Beautiful464POJ Monthly--2007.10.06, SHOIT@ZSU
3416Crossing541POJ Monthly--2007.10.06, Wang Dong
3415Common Substrings2169POJ Monthly--2007.10.06, wintokk
3417Network1510POJ Monthly--2007.10.06, Yang Mu
3464Approximations22POJ Monthly--2007.11.25, Yang Yi
3465Battle405POJ Monthly--2007.11.25, Yang Yi
3466Distance to the Prey14POJ Monthly--2007.11.25, Yang Yi
3467Cross Counting291POJ Monthly--2007.11.25, Yang Yi
3468A Simple Problem with Integers15747POJ Monthly--2007.11.25, Yang Yi
3469Dual Core CPU3799POJ Monthly--2007.11.25, Zhou Dong
3470Walls210POJ Monthly--2007.11.25, Zhou Dong
3471Integral Roots175POJ 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