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。容量有限,报名从速!
Search Result
Search: IN   Find problems that your team haven't solved
IDTitleSolvedSource
3738Card Game72PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Asukalt
3737UmBasketella1878PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), cyqclark
3739Special Squares260PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Doraemonok
3735Training little cats1628PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Facer
3731Escape363PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Rainer
3732Paint Me Less84PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Rainer
3733Shadow Area35PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Rainer
3734Blocks2005PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Simon
3736Snipe the Sniper350PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), TN
3218Alignments193PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc
3220Context-Free Languages126PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc
3225Help with Intervals1388PKU 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!4319PKU Local 2007 (POJ Monthly--2007.04.28), ideas from ava, text and test cases by frkstyc
3219Binomial Coefficients2323PKU Local 2007 (POJ Monthly--2007.04.28), Ikki
3222Edge Pairing295PKU Local 2007 (POJ Monthly--2007.04.28), ufx
3221Diamond Puzzle617PKU Local 2007 (POJ Monthly--2007.04.28), wenxichang
1810Covering125POJ Monthly
1811Prime Test2466POJ Monthly
1812Zuma Game86POJ Monthly
1813Overlapped Shapes136POJ Monthly
1814Polynomial14POJ Monthly
1815Friendship1199POJ Monthly
1816Wild Words723POJ Monthly
3745Keep Contact9POJ Monthly Contest - 2009.08.23, Elaxia
3743LL’s cake75POJ Monthly Contest - 2009.08.23, Isun
3746Teacher YYF175POJ Monthly Contest - 2009.08.23, Jason
3740Easy Finding2147POJ Monthly Contest - 2009.08.23, MasterLuo
3744Scout YYF I1371POJ Monthly Contest - 2009.08.23, Simon
3747Scout YYF II236POJ Monthly Contest - 2009.08.23, Simon
3741Number System Converter141POJ Monthly Contest - 2009.08.23, wjn
3742Equivalent Polynomial378POJ Monthly Contest - 2009.08.23, wjn
3758The story of three kingdoms XI24POJ Monthly Contest - 2010.04.04, 1318dotaer
3755The Training of Chain Lightning27POJ Monthly Contest - 2010.04.04, Mars
3756Chess Game206POJ Monthly Contest - 2010.04.04, Mars
3757Simple Distributed storage system200POJ Monthly Contest - 2010.04.04, Yao Jinyu
3759Simple Distributed computing system60POJ Monthly Contest - 2010.04.04, Yao Jinyu
3721Darkterror's Combos55POJ Monthly Contest – 2009.02.22, Dagger
3722We're Going In13POJ Monthly Contest – 2009.02.22, Dagger
3717Decrypt the Dragon Scroll83POJ Monthly Contest – 2009.02.22, Facer
3718Facer's Chocolate Dream94POJ Monthly Contest – 2009.02.22, Facer
3720Occurrence of Digits1331POJ Monthly Contest – 2009.02.22, Lei Tao
3719Art of Balance149POJ Monthly Contest – 2009.02.22, Mars
3716Panda's Birthday Present876POJ Monthly Contest – 2009.02.22, Simon
3715Blue and Red494POJ Monthly Contest – 2009.02.22, Windy
3729Facer’s string277POJ Monthly Contest – 2009.04.05, Facer
3728The merchant735POJ Monthly Contest – 2009.04.05, GaoYihan
3730Ebbinghaus method56POJ Monthly Contest – 2009.04.05, geniushjs
3727Newton’s Method124POJ Monthly Contest – 2009.04.05, longpo
3724Find the parameter392POJ Monthly Contest – 2009.04.05, Simon
3726Windy's ABC189POJ Monthly Contest – 2009.04.05, windy7926778
3723Conscription2633POJ Monthly Contest – 2009.04.05, windy7926778
3725I know the k-th integer405POJ Monthly Contest – 2009.04.05, windy7926778
2438Children's Dining350POJ Monthly,anonymous
2444Partition a Matrix374POJ Monthly,c0500301036
2446Chessboard3026POJ Monthly,charlescpp
2310Cubic Tick-Tack-Toe40POJ Monthly,CHEN Shixi(xreborner)
2311Cutting Game907POJ Monthly,CHEN Shixi(xreborner)
2233GAME AGAIN!124POJ Monthly,dodo
2442Sequence1427POJ Monthly,Guang Lin
2445Squares88POJ Monthly,Guang Lin
2236Wireless Network5052POJ Monthly,HQM
2237Can 1 Marine win 2 Zerglings?36POJ Monthly,HQM
2235Triangularize the Convex Hull31POJ Monthly,kicc
2314POJ language53POJ Monthly,kicc
2153Rank List1903POJ Monthly,Li Haoyuan
2239Selecting Courses3212POJ Monthly,Li Haoyuan
2156National Day Celebration83POJ Monthly,Loger
2152Fire488POJ Monthly,Lou Tiancheng
2154Color1496POJ Monthly,Lou Tiancheng
2155Matrix5027POJ Monthly,Lou Tiancheng
2309BST4648POJ Monthly,Minkerui
2313Sequence1166POJ Monthly,Minkerui
2443Set Operation686POJ Monthly,Minkerui
2448A New Operating System67POJ Monthly,Minkerui
2234Matches Game4457POJ Monthly,readchild
1817Traffic Jam81POJ Monthly,Southeast USA 1999
2440DNA1080POJ Monthly,Static
2447RSA360POJ Monthly,static
2452Sticks Problem1460POJ Monthly,static
2441Arrange the Bulls1012POJ Monthly,TN
2315Football Game76POJ Monthly,uni
2157Maze891POJ Monthly,Wang Yijie
2308Dearboy's Puzzle133POJ Monthly,Wang Yijie
2453An Easy Problem3916POJ Monthly,zby03
2439Disconnect the Orange!?68POJ Monthly,Zeyuan Zhu
2449Remmarguts' Date3124POJ Monthly,Zeyuan Zhu
2450A New Kind of Chess36POJ Monthly,Zeyuan Zhu
2451Uyuw's Concert1162POJ Monthly,Zeyuan Zhu
2158A Difficult Mathematics Problem94POJ Monthly,李学武
2232New Stone-Forfex-Cloth Game464POJ Monthly,汪艺杰
2151Check the difficulty of problems1877POJ Monthly,鲁小石
2238Computer Basketball Game76POJ Monthly,鲁小石
2312Battle City1733POJ Monthly,鲁小石
1659Frogs' Neighborhood2551POJ Monthly--2004.05.15 Alcyone@pku
1662CoIns179POJ Monthly--2004.05.15 BearL@pku
1661Help Jimmy2466POJ Monthly--2004.05.15 CEOI 2000
1660Princess FroG399POJ Monthly--2004.05.15 duoshute@pku
1655Balancing Act3353POJ Monthly--2004.05.15 IOI 2003 sample task
1654Area3135POJ Monthly--2004.05.15 Liu Rujia@POJ
1656Counting Black6156POJ Monthly--2004.05.15 Liu Rujia@POJ
1657Distance on Chessboard7709POJ Monthly--2004.05.15 Liu Rujia@POJ
1658Eva's Problem9881POJ Monthly--2004.05.15 Null
1682Clans on the Three Gorges258POJ Monthly--2004.06.27 epic
1675Happy Birthday!828POJ Monthly--2004.06.27 srbga@POJ
1677Girls' Day545POJ Monthly--2004.06.27 srbga@POJ
1678I Love this Game!612POJ Monthly--2004.06.27 srbga@POJ
1679The Unique MST4903POJ Monthly--2004.06.27 srbga@POJ
1680Fork() Makes Trouble244POJ Monthly--2004.06.27 srbga@POJ
1681Painter's Problem1798POJ Monthly--2004.06.27 张嘉龄
1674Sorting by Swapping3925POJ Monthly--2004.06.27 弱人
1676What time is it?487POJ Monthly--2004.06.27 鄂继明
1698Alice's Chance1741POJ Monthly--2004.07.18
1699Best Sequence1414POJ Monthly--2004.07.18
1700Crossing River3788POJ Monthly--2004.07.18
1701Dissatisfying Lift950POJ Monthly--2004.07.18
1702Eva's Balance1654POJ Monthly--2004.07.18
1703Find them, Catch them6766POJ Monthly--2004.07.18
1704Georgia and Bob2300POJ Monthly--2004.07.18
1705Generational Replacement67POJ Monthly--2004.07.18
2519Cutting Necklace74POJ Monthly--2005.07.31, CHEN Shixi
2520DNA Sequence Alignment70POJ Monthly--2005.07.31, CHEN Shixi
2518Little guys' game104POJ Monthly--2005.07.31, Huang Ninghai
2514Ridiculous Addition295POJ Monthly--2005.07.31, Islamic Azad University of Mashhad – Collegiate Coding Challenge 1
2517Cover20POJ Monthly--2005.07.31, LouTianCheng
2516Minimum Cost2709POJ Monthly--2005.07.31, Wang Yijie
2521How much did the businessman lose6386POJ Monthly--2005.07.31, Wang Yijie
2515Birthday Cake238POJ Monthly--2005.07.31, Zeyuan Zhu
2592Standard Point System102POJ Monthly--2005.08.28,anonymous
2596Dice Stacking303POJ Monthly--2005.08.28,Huang Ninghai
2598Match Throwing Game247POJ Monthly--2005.08.28,kicc
2593Max Sequence5644POJ Monthly--2005.08.28,Li Haoyuan
2594Treasure Exploration2076POJ Monthly--2005.08.28,Li Haoyuan
2591Set Definition3341POJ Monthly--2005.08.28,Static
2595Min-Max265POJ Monthly--2005.08.28,Static
2597Line Segment Erase333POJ Monthly--2005.08.28,Static
2748Logs Stacking772POJ Monthly--2006.01.22,anonymous
2751Saving Endeavour552POJ Monthly--2006.01.22,anonymous
2755Dominoes34POJ Monthly--2006.01.22,Loger
2750Potted Flower1161POJ Monthly--2006.01.22,Zeyuan Zhu
2752Seek the Name, Seek the Fame5282POJ Monthly--2006.01.22,Zeyuan Zhu
2753Similarity of necklaces32POJ Monthly--2006.01.22,Zeyuan Zhu
2754Similarity of necklaces 2143POJ Monthly--2006.01.22,Zeyuan Zhu
2749Building roads1230POJ Monthly--2006.01.22,zhucheng
2756Autumn is a Genius1443POJ Monthly--2006.02.26,zgl & twb
2757Beautiful Numbers104POJ Monthly--2006.02.26,zgl & twb
2758Checking the Text379POJ Monthly--2006.02.26,zgl & twb
2759Distributing tasks147POJ Monthly--2006.02.26,zgl & twb
2760End of Windless Days140POJ Monthly--2006.02.26,zgl & twb
2761Feed the dogs2662POJ Monthly--2006.02.26,zgl & twb
2762Going from u to v or from v to u?2455POJ Monthly--2006.02.26,zgl & twb
2763Housewife Wind1162POJ Monthly--2006.02.26,zgl & twb
2777Count Color6249POJ Monthly--2006.03.26,dodo
2778DNA Sequence2322POJ Monthly--2006.03.26,dodo
2775The Number of the Same BST377POJ Monthly--2006.03.26,newton88518
2773Happy 20062094POJ Monthly--2006.03.26,static
2780Linearity1161POJ Monthly--2006.03.26,static
2774Long Long Message4202POJ 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 Permutation144POJ Monthly--2006.04.28, Dagger@PKU_RPWT
2826An Easy Problem?!969POJ 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 - Assassination34POJ Monthly--2006.04.28, frkstyc@PKU_RPWT
2822TN's Kingdom IV - Collapse76POJ Monthly--2006.04.28, frkstyc@PKU_RPWT
2823Sliding Window6902POJ 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 Machine327POJ Monthly--2006.05.28, Static
2830Max Sequence II83POJ Monthly--2006.05.28, Static
2833The Average2151POJ Monthly--2006.05.28, zby03
2828Buy Tickets4577POJ Monthly--2006.05.28, Zhu, Zeyuan
2831Can We Build This One?364POJ Monthly--2006.05.28, zhucheng
2832How Many Pairs?426POJ Monthly--2006.05.28, zhucheng
2843Cutting Cake127POJ Monthly--2006.06.25, Chen Xue
2837Silver Matrix540POJ Monthly--2006.06.25, Lei Tao
2840Big Clock5795POJ Monthly--2006.06.25, Lei Tao
2839Convex Hull and Triangle23POJ Monthly--2006.06.25, Long Fan
2842N-dimension Matching68POJ Monthly--2006.06.25, Long Fan
2841Navigation Game55POJ Monthly--2006.06.25, Yang Yi
2844Sum and Product68POJ Monthly--2006.06.25, Yang Yi
2838Graph Connectivity475POJ Monthly--2006.06.25, Zheng Zhao
2888Magic Bracelet812POJ Monthly--2006.07.30, cuiaoxiang
2893M × N Puzzle631POJ Monthly--2006.07.30, newton88518
2886Who Gets the Most Candies?2096POJ Monthly--2006.07.30, Sempr
2890Matrix Multiplication360POJ Monthly--2006.07.30, Static
2891Strange Way to Express Integers2358POJ Monthly--2006.07.30, Static
2892Tunnel Warfare1891POJ Monthly--2006.07.30, updog
2889Unique Solution158POJ Monthly--2006.07.30, Wang, Yijie
2887Big String975POJ Monthly--2006.07.30, zhucheng
2982Time Travel362POJ Monthly--2006.08.27, Dagger
2983Is the Information Reliable?1982POJ Monthly--2006.08.27, Dagger
2981Deal of Fortune14POJ Monthly--2006.08.27, frkstyc
2987Firing1364POJ Monthly--2006.08.27, frkstyc
2988Function Approximation35POJ Monthly--2006.08.27, frkstyc
2986A Triangle and a Circle353POJ Monthly--2006.08.27, Rainer
2984A New Joseph Problem467POJ Monthly--2006.08.27, zcgzcgzcg
2985The k-th Largest Group1521POJ Monthly--2006.08.27, zcgzcgzcg
3015Expected Difference246POJ Monthly--2006.09.29, ACRush
3016K-Monotonic221POJ Monthly--2006.09.29, ACRush, modified from TopCoder SRM 309 KMonotonic
3012A Number from Yanghui Triangle604POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ)
3013Big Christmas Tree2148POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ)
3014Cake Pieces and Plates1143POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ)
3018Giftbox719POJ Monthly--2006.09.29, sza
3019Image Rotation16POJ Monthly--2006.09.29, zby03
3017Cut the Sequence1391POJ Monthly--2006.09.29, zhucheng
3162Walking Race452POJ Monthly--2006.12.31, flymouse
3163King of Fighters84POJ Monthly--2006.12.31, flymouse
3161Numerical Integration3POJ Monthly--2006.12.31, galaxy
3164Command Network1965POJ Monthly--2006.12.31, galaxy
3159Candies3387POJ Monthly--2006.12.31, Sempr
3160Father Christmas flymouse613POJ 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 Reconstruction1176POJ 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 Trick2178POJ Monthly--2007.03.04, Ikki
3209From Pythagoras to …200POJ Monthly--2007.03.04, Ikki
3208Apocalypse Someday563POJ Monthly--2007.03.04, Ikki, adapted from TCHS SRM 2 ApocalypseSomeday
3216Repairing Company1229POJ Monthly--2007.04.01, crazyb0y
3214Heap373POJ Monthly--2007.04.01, czh
3211Washing Clothes2041POJ Monthly--2007.04.01, dearboy
3215Median of Lines129POJ Monthly--2007.04.01, dearboy
3217Eugenics253POJ Monthly--2007.04.01, Huang, Jinsong
3212Rescue Alice266POJ Monthly--2007.04.01, Liu, Cheng
3210Coins4150POJ Monthly--2007.04.01, Snoopy
3213PM3776POJ Monthly--2007.04.01, zhucheng
3233Matrix Power Series4062POJ 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 Evaluation60POJ Monthly--2007.06.03, Jia, You
3235Super Knight30POJ Monthly--2007.06.03, Lei, Tao
3237Tree988POJ Monthly--2007.06.03, Lei, Tao
3238A Coin Game66POJ Monthly--2007.06.03, Yao, Jinyu
3239Solution to the n Queens Puzzle1085POJ Monthly--2007.06.03, Yao, Jinyu
3245Sequence Partitioning162POJ 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 Y781POJ Monthly--2007.07.08, Guo, Huayang
3247Robots6POJ Monthly--2007.07.08, Guo, Huayang
3246Game195POJ Monthly--2007.07.08, Wang, Dong
3244Difference between Triplets568POJ Monthly--2007.07.08, Yuan, Xinhao
3249Test for Job1312POJ 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 Tree4137POJ Monthly--2007.08.05, Huang, Jinsong
3320Jessica's Reading Problem2417POJ Monthly--2007.08.05, Jerry
3241Object Clustering319POJ Monthly--2007.08.05, Li, Haoyuan
3318Matrix Multiplication1953POJ Monthly--2007.08.05, qzc
3322Bloxorz I1007POJ Monthly--2007.08.05, Rainer
3323Bloxorz II92POJ Monthly--2007.08.05, Rainer
3372Candy Distribution2645POJ Monthly--2007.09.09, ailyanlu@zsu
3377Ferry Lanes559POJ Monthly--2007.09.09, Dagger
3371Flesch Reading Ease442POJ Monthly--2007.09.09, frkstyc
3373Changing Digits688POJ Monthly--2007.09.09, Rainer
3378Crazy Thairs1039POJ Monthly--2007.09.09, tdzl2003
3374Cake Share586POJ Monthly--2007.09.09, Updog
3375Network Connection423POJ Monthly--2007.09.09, Updog
3376Finding Palindromes298POJ Monthly--2007.09.09, Zhou Gelin, modified from POI06
3421X-factor Chains1512POJ Monthly--2007.10.06, ailyanlu@zsu
3418Quadratic Functions94POJ Monthly--2007.10.06, Amber(hupo001)@POJ
3420Quad Tiling1315POJ Monthly--2007.10.06, Dagger
3422Kaka's Matrix Travels1868POJ Monthly--2007.10.06, Huang, Jinsong
3419Difference Is Beautiful388POJ Monthly--2007.10.06, SHOIT@ZSU
3416Crossing499POJ Monthly--2007.10.06, Wang Dong
3415Common Substrings1503POJ Monthly--2007.10.06, wintokk
3417Network643POJ Monthly--2007.10.06, Yang Mu
3464Approximations17POJ Monthly--2007.11.25, Yang Yi
3465Battle353POJ Monthly--2007.11.25, Yang Yi
3466Distance to the Prey13POJ Monthly--2007.11.25, Yang Yi
3467Cross Counting266POJ Monthly--2007.11.25, Yang Yi
3468A Simple Problem with Integers10588POJ Monthly--2007.11.25, Yang Yi
3469Dual Core CPU2930POJ Monthly--2007.11.25, Zhou Dong
3470Walls134POJ Monthly--2007.11.25, Zhou Dong
3471Integral Roots166POJ 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