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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!
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Search: IN   Find problems that your team haven't solved
IDTitleSolvedSource
3738Card Game72PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Asukalt
3737UmBasketella1880PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), cyqclark
3739Special Squares260PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Doraemonok
3735Training little cats1632PKU 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
3734Blocks2017PKU 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 Intervals1394PKU 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!4326PKU Local 2007 (POJ Monthly--2007.04.28), ideas from ava, text and test cases by frkstyc
3219Binomial Coefficients2324PKU Local 2007 (POJ Monthly--2007.04.28), Ikki
3222Edge Pairing297PKU Local 2007 (POJ Monthly--2007.04.28), ufx
3221Diamond Puzzle618PKU Local 2007 (POJ Monthly--2007.04.28), wenxichang
1810Covering125POJ Monthly
1811Prime Test2473POJ Monthly
1812Zuma Game86POJ Monthly
1813Overlapped Shapes136POJ Monthly
1814Polynomial14POJ Monthly
1815Friendship1200POJ Monthly
1816Wild Words724POJ 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 Finding2150POJ Monthly Contest - 2009.08.23, MasterLuo
3744Scout YYF I1377POJ 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 Game208POJ 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 Present879POJ Monthly Contest – 2009.02.22, Simon
3715Blue and Red495POJ Monthly Contest – 2009.02.22, Windy
3729Facer’s string277POJ Monthly Contest – 2009.04.05, Facer
3728The merchant738POJ 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
3723Conscription2653POJ 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
2446Chessboard3041POJ Monthly,charlescpp
2310Cubic Tick-Tack-Toe40POJ Monthly,CHEN Shixi(xreborner)
2311Cutting Game916POJ Monthly,CHEN Shixi(xreborner)
2233GAME AGAIN!124POJ Monthly,dodo
2442Sequence1429POJ Monthly,Guang Lin
2445Squares94POJ Monthly,Guang Lin
2236Wireless Network5077POJ Monthly,HQM
2237Can 1 Marine win 2 Zerglings?36POJ Monthly,HQM
2235Triangularize the Convex Hull31POJ Monthly,kicc
2314POJ language53POJ Monthly,kicc
2153Rank List1909POJ Monthly,Li Haoyuan
2239Selecting Courses3214POJ Monthly,Li Haoyuan
2156National Day Celebration83POJ Monthly,Loger
2152Fire493POJ Monthly,Lou Tiancheng
2154Color1505POJ Monthly,Lou Tiancheng
2155Matrix5068POJ Monthly,Lou Tiancheng
2309BST4655POJ Monthly,Minkerui
2313Sequence1167POJ Monthly,Minkerui
2443Set Operation688POJ Monthly,Minkerui
2448A New Operating System67POJ Monthly,Minkerui
2234Matches Game4465POJ Monthly,readchild
1817Traffic Jam81POJ Monthly,Southeast USA 1999
2440DNA1081POJ Monthly,Static
2447RSA360POJ Monthly,static
2452Sticks Problem1463POJ Monthly,static
2441Arrange the Bulls1017POJ Monthly,TN
2315Football Game76POJ Monthly,uni
2157Maze894POJ Monthly,Wang Yijie
2308Dearboy's Puzzle135POJ Monthly,Wang Yijie
2453An Easy Problem3916POJ Monthly,zby03
2439Disconnect the Orange!?68POJ Monthly,Zeyuan Zhu
2449Remmarguts' Date3136POJ Monthly,Zeyuan Zhu
2450A New Kind of Chess36POJ Monthly,Zeyuan Zhu
2451Uyuw's Concert1170POJ Monthly,Zeyuan Zhu
2158A Difficult Mathematics Problem95POJ Monthly,李学武
2232New Stone-Forfex-Cloth Game466POJ Monthly,汪艺杰
2151Check the difficulty of problems1896POJ Monthly,鲁小石
2238Computer Basketball Game76POJ Monthly,鲁小石
2312Battle City1740POJ Monthly,鲁小石
1659Frogs' Neighborhood2561POJ Monthly--2004.05.15 Alcyone@pku
1662CoIns179POJ Monthly--2004.05.15 BearL@pku
1661Help Jimmy2500POJ Monthly--2004.05.15 CEOI 2000
1660Princess FroG399POJ Monthly--2004.05.15 duoshute@pku
1655Balancing Act3397POJ Monthly--2004.05.15 IOI 2003 sample task
1654Area3141POJ Monthly--2004.05.15 Liu Rujia@POJ
1656Counting Black6161POJ Monthly--2004.05.15 Liu Rujia@POJ
1657Distance on Chessboard7715POJ Monthly--2004.05.15 Liu Rujia@POJ
1658Eva's Problem9891POJ 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!613POJ Monthly--2004.06.27 srbga@POJ
1679The Unique MST4921POJ Monthly--2004.06.27 srbga@POJ
1680Fork() Makes Trouble244POJ Monthly--2004.06.27 srbga@POJ
1681Painter's Problem1811POJ Monthly--2004.06.27 张嘉龄
1674Sorting by Swapping3927POJ Monthly--2004.06.27 弱人
1676What time is it?487POJ Monthly--2004.06.27 鄂继明
1698Alice's Chance1745POJ Monthly--2004.07.18
1699Best Sequence1424POJ Monthly--2004.07.18
1700Crossing River3808POJ Monthly--2004.07.18
1701Dissatisfying Lift951POJ Monthly--2004.07.18
1702Eva's Balance1654POJ Monthly--2004.07.18
1703Find them, Catch them6792POJ Monthly--2004.07.18
1704Georgia and Bob2309POJ Monthly--2004.07.18
1705Generational Replacement67POJ Monthly--2004.07.18
2519Cutting Necklace75POJ 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 Cost2726POJ Monthly--2005.07.31, Wang Yijie
2521How much did the businessman lose6406POJ 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 Sequence5652POJ Monthly--2005.08.28,Li Haoyuan
2594Treasure Exploration2082POJ Monthly--2005.08.28,Li Haoyuan
2591Set Definition3343POJ 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 Endeavour553POJ Monthly--2006.01.22,anonymous
2755Dominoes34POJ Monthly--2006.01.22,Loger
2750Potted Flower1173POJ Monthly--2006.01.22,Zeyuan Zhu
2752Seek the Name, Seek the Fame5320POJ Monthly--2006.01.22,Zeyuan Zhu
2753Similarity of necklaces32POJ Monthly--2006.01.22,Zeyuan Zhu
2754Similarity of necklaces 2144POJ Monthly--2006.01.22,Zeyuan Zhu
2749Building roads1234POJ Monthly--2006.01.22,zhucheng
2756Autumn is a Genius1444POJ Monthly--2006.02.26,zgl & twb
2757Beautiful Numbers104POJ Monthly--2006.02.26,zgl & twb
2758Checking the Text380POJ Monthly--2006.02.26,zgl & twb
2759Distributing tasks147POJ Monthly--2006.02.26,zgl & twb
2760End of Windless Days141POJ Monthly--2006.02.26,zgl & twb
2761Feed the dogs2680POJ Monthly--2006.02.26,zgl & twb
2762Going from u to v or from v to u?2460POJ Monthly--2006.02.26,zgl & twb
2763Housewife Wind1169POJ Monthly--2006.02.26,zgl & twb
2777Count Color6287POJ Monthly--2006.03.26,dodo
2778DNA Sequence2334POJ Monthly--2006.03.26,dodo
2775The Number of the Same BST377POJ Monthly--2006.03.26,newton88518
2773Happy 20062097POJ Monthly--2006.03.26,static
2780Linearity1162POJ Monthly--2006.03.26,static
2774Long Long Message4219POJ 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?!975POJ 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 Window6937POJ 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 Average2154POJ Monthly--2006.05.28, zby03
2828Buy Tickets4609POJ 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 Clock5799POJ 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 Connectivity476POJ Monthly--2006.06.25, Zheng Zhao
2888Magic Bracelet819POJ Monthly--2006.07.30, cuiaoxiang
2893M × N Puzzle632POJ Monthly--2006.07.30, newton88518
2886Who Gets the Most Candies?2110POJ Monthly--2006.07.30, Sempr
2890Matrix Multiplication360POJ Monthly--2006.07.30, Static
2891Strange Way to Express Integers2372POJ Monthly--2006.07.30, Static
2892Tunnel Warfare1898POJ Monthly--2006.07.30, updog
2889Unique Solution159POJ Monthly--2006.07.30, Wang, Yijie
2887Big String981POJ Monthly--2006.07.30, zhucheng
2982Time Travel362POJ Monthly--2006.08.27, Dagger
2983Is the Information Reliable?1986POJ Monthly--2006.08.27, Dagger
2981Deal of Fortune14POJ Monthly--2006.08.27, frkstyc
2987Firing1369POJ 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 Group1528POJ 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 Tree2150POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ)
3014Cake Pieces and Plates1146POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ)
3018Giftbox719POJ Monthly--2006.09.29, sza
3019Image Rotation16POJ Monthly--2006.09.29, zby03
3017Cut the Sequence1396POJ Monthly--2006.09.29, zhucheng
3162Walking Race456POJ Monthly--2006.12.31, flymouse
3163King of Fighters84POJ Monthly--2006.12.31, flymouse
3161Numerical Integration3POJ Monthly--2006.12.31, galaxy
3164Command Network1970POJ Monthly--2006.12.31, galaxy
3159Candies3393POJ Monthly--2006.12.31, Sempr
3160Father Christmas flymouse619POJ 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 Reconstruction1179POJ 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 Trick2180POJ Monthly--2007.03.04, Ikki
3209From Pythagoras to …200POJ Monthly--2007.03.04, Ikki
3208Apocalypse Someday565POJ Monthly--2007.03.04, Ikki, adapted from TCHS SRM 2 ApocalypseSomeday
3216Repairing Company1231POJ Monthly--2007.04.01, crazyb0y
3214Heap373POJ Monthly--2007.04.01, czh
3211Washing Clothes2046POJ 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
3210Coins4159POJ Monthly--2007.04.01, Snoopy
3213PM3776POJ Monthly--2007.04.01, zhucheng
3233Matrix Power Series4080POJ 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
3237Tree992POJ Monthly--2007.06.03, Lei, Tao
3238A Coin Game66POJ Monthly--2007.06.03, Yao, Jinyu
3239Solution to the n Queens Puzzle1091POJ 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 Y784POJ Monthly--2007.07.08, Guo, Huayang
3247Robots6POJ Monthly--2007.07.08, Guo, Huayang
3246Game203POJ Monthly--2007.07.08, Wang, Dong
3244Difference between Triplets569POJ Monthly--2007.07.08, Yuan, Xinhao
3249Test for Job1335POJ 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 Tree4180POJ Monthly--2007.08.05, Huang, Jinsong
3320Jessica's Reading Problem2437POJ Monthly--2007.08.05, Jerry
3241Object Clustering320POJ Monthly--2007.08.05, Li, Haoyuan
3318Matrix Multiplication1983POJ Monthly--2007.08.05, qzc
3322Bloxorz I1007POJ Monthly--2007.08.05, Rainer
3323Bloxorz II92POJ Monthly--2007.08.05, Rainer
3372Candy Distribution2657POJ Monthly--2007.09.09, ailyanlu@zsu
3377Ferry Lanes560POJ Monthly--2007.09.09, Dagger
3371Flesch Reading Ease445POJ Monthly--2007.09.09, frkstyc
3373Changing Digits695POJ Monthly--2007.09.09, Rainer
3378Crazy Thairs1041POJ Monthly--2007.09.09, tdzl2003
3374Cake Share586POJ Monthly--2007.09.09, Updog
3375Network Connection423POJ Monthly--2007.09.09, Updog
3376Finding Palindromes299POJ Monthly--2007.09.09, Zhou Gelin, modified from POI06
3421X-factor Chains1518POJ Monthly--2007.10.06, ailyanlu@zsu
3418Quadratic Functions94POJ Monthly--2007.10.06, Amber(hupo001)@POJ
3420Quad Tiling1318POJ Monthly--2007.10.06, Dagger
3422Kaka's Matrix Travels1872POJ Monthly--2007.10.06, Huang, Jinsong
3419Difference Is Beautiful388POJ Monthly--2007.10.06, SHOIT@ZSU
3416Crossing500POJ Monthly--2007.10.06, Wang Dong
3415Common Substrings1507POJ 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 Counting267POJ Monthly--2007.11.25, Yang Yi
3468A Simple Problem with Integers10681POJ Monthly--2007.11.25, Yang Yi
3469Dual Core CPU2942POJ Monthly--2007.11.25, Zhou Dong
3470Walls136POJ Monthly--2007.11.25, Zhou Dong
3471Integral Roots166POJ Monthly--2007.11.25, Zhou Dong
Total 280 Problems match!

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