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| Online Judge | Problem Set | Authors | Online Contests | User | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest | |||||||||
| ID | Title | Solved | Source |
|---|---|---|---|
| 1826 | The Best Farm | 360 | Atlas of rruucc@POJ |
| 1827 | A Bunch Of Monsters | 282 | Atlas of rruucc@POJ |
| 1828 | Monkeys' Pride | 2266 | Atlas of rruucc@POJ |
| 1921 | Paper Cut | 56 | Beijing 2004 Preliminary@POJ |
| 1922 | Ride to School | 6846 | Beijing 2004 Preliminary@POJ |
| 1923 | Fourier's Lines | 642 | Beijing 2004 Preliminary@POJ |
| 1924 | The Treasure | 291 | Beijing 2004 Preliminary@POJ |
| 1925 | Spiderman | 984 | Beijing 2004 Preliminary@POJ |
| 1926 | Pollution | 877 | Beijing 2004 Preliminary@POJ |
| 1927 | Area in Triangle | 737 | Beijing 2004 Preliminary@POJ |
| 1928 | The Peanuts | 2748 | Beijing 2004 Preliminary@POJ |
| 2859 | A rectangle | 288 | Hooyeon Lee (ltdtl@POJ) |
| 2860 | Block game with the Little Prince | 1152 | Hooyeon Lee (ltdtl@POJ) |
| 2861 | Cycle with 6 vertices | 87 | Hooyeon Lee (ltdtl@POJ) |
| 1829 | 火力防御网 | 61 | LIANGLIANG@POJ |
| 1830 | 开关问题 | 2661 | LIANGLIANG@POJ |
| 1390 | Blocks | 1669 | Liu Rujia@POJ |
| 1737 | Connected Graph | 1469 | LouTiancheng@POJ |
| 1738 | An old Stone Game | 657 | LouTiancheng@POJ |
| 1739 | Tony's Tour | 900 | LouTiancheng@POJ |
| 1740 | A New Stone Game | 2883 | LouTiancheng@POJ |
| 1741 | Tree | 4943 | LouTiancheng@POJ |
| 1742 | Coins | 7419 | LouTiancheng@POJ |
| 1743 | Musical Theme | 4479 | LouTiancheng@POJ |
| 1744 | Elevator Stopping Plan | 606 | LouTiancheng@POJ |
| 1664 | 放苹果 | 17468 | lwx@POJ |
| 3594 | Escort of Dr. Who How | 427 | PKU Campus 2008 (POJ Founder Monthly Contest – 2008.05.10), frkstyc |
| 3595 | Full Steiner Topologies | 115 | PKU Campus 2008 (POJ Founder Monthly Contest – 2008.05.10), frkstyc |
| 3596 | Illuminated Planet | 79 | PKU Campus 2008 (POJ Founder Monthly Contest – 2008.05.10), frkstyc |
| 3597 | Polygon Division | 447 | PKU Campus 2008 (POJ Founder Monthly Contest – 2008.05.10), frkstyc |
| 3599 | Pumping Lemma | 71 | PKU Campus 2008 (POJ Founder Monthly Contest – 2008.05.10), frkstyc |
| 3600 | Subimage Recognition | 765 | PKU Campus 2008 (POJ Founder Monthly Contest – 2008.05.10), frkstyc |
| 3602 | Typographical Ligatures | 447 | PKU Campus 2008 (POJ Founder Monthly Contest – 2008.05.10), frkstyc |
| 3598 | PopKart | 157 | PKU Campus 2008 (POJ Founder Monthly Contest – 2008.05.10), xfxyjwf |
| 3601 | Tower of Hanoi | 541 | PKU Campus 2008 (POJ Founder Monthly Contest – 2008.05.10), xfxyjwf |
| 3603 | Zen Puzzle Garden | 32 | PKU Campus 2008 (POJ Founder Monthly Contest – 2008.05.10), xfxyjwf |
| 3738 | Card Game | 76 | PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Asukalt |
| 3737 | UmBasketella | 2803 | PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), cyqclark |
| 3739 | Special Squares | 273 | PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Doraemonok |
| 3735 | Training little cats | 1964 | PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Facer |
| 3731 | Escape | 376 | PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Rainer |
| 3732 | Paint Me Less | 98 | PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Rainer |
| 3733 | Shadow Area | 41 | PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Rainer |
| 3734 | Blocks | 2817 | PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), Simon |
| 3736 | Snipe the Sniper | 358 | PKU Campus 2009 (POJ Monthly Contest – 2009.05.17), TN |
| 3218 | Alignments | 212 | PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc |
| 3220 | Context-Free Languages | 132 | PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc |
| 3225 | Help with Intervals | 1599 | PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc |
| 3223 | Football Game | 79 | PKU Local 2007 (POJ Monthly--2007.04.28), frkstyc, text by Ikki |
| 3224 | Go for Lab Cup! | 4436 | PKU Local 2007 (POJ Monthly--2007.04.28), ideas from ava, text and test cases by frkstyc |
| 3219 | Binomial Coefficients | 2455 | PKU Local 2007 (POJ Monthly--2007.04.28), Ikki |
| 3222 | Edge Pairing | 320 | PKU Local 2007 (POJ Monthly--2007.04.28), ufx |
| 3221 | Diamond Puzzle | 666 | PKU Local 2007 (POJ Monthly--2007.04.28), wenxichang |
| 1000 | A+B Problem | 207390 | POJ |
| 1628 | Deduction | 178 | POJ Achilles |
| 2429 | GCD & LCM Inverse | 1426 | POJ Achilles |
| 2482 | Stars in Your Window | 2001 | POJ Contest,Author:kinfkong@ZSU |
| 2483 | Greatest Common Subtree | 125 | POJ Contest,Author:kinfkong@ZSU |
| 2486 | Apple Tree | 2586 | POJ Contest,Author:magicpig@ZSU |
| 2478 | Farey Sequence | 4183 | POJ Contest,Author:Mathematica@ZSU |
| 2479 | Maximum sum | 10058 | POJ Contest,Author:Mathematica@ZSU |
| 2480 | Longge's problem | 2060 | POJ Contest,Author:Mathematica@ZSU |
| 2481 | Cows | 4101 | POJ Contest,Author:Mathematica@ZSU |
| 2484 | A Funny Game | 3285 | POJ Contest,Author:Mathematica@ZSU |
| 2485 | Highways | 10049 | POJ Contest,Author:Mathematica@ZSU |
| 3472 | Holey Square Tiling | 207 | POJ Founder Monthly Contest – 2007.12.30, frkstyc |
| 3473 | Stochastic Finite State Automaton | 17 | POJ Founder Monthly Contest – 2007.12.30, frkstyc |
| 3474 | Ellipsoid | 20 | POJ Founder Monthly Contest – 2007.12.30, frkstyc |
| 3475 | Paper-, er, Transcript-Folding Game | 699 | POJ Founder Monthly Contest – 2007.12.30, frkstyc |
| 3476 | A Game with Colored Balls | 339 | POJ Founder Monthly Contest – 2007.12.30, frkstyc |
| 3477 | System of Linear Equations | 33 | POJ Founder Monthly Contest – 2007.12.30, frkstyc |
| 3478 | Undergraduate Instruction Evaluation | 28 | POJ Founder Monthly Contest – 2007.12.30, frkstyc |
| 3479 | RoBa Has a Second Art Gallery! | 66 | POJ Founder Monthly Contest – 2007.12.30, frkstyc |
| 3495 | Bitwise XOR of Arithmetic Progression | 184 | POJ Founder Monthly Contest – 2008.01.31, frkstyc |
| 3496 | Word Hyphenation | 13 | POJ Founder Monthly Contest – 2008.01.31, frkstyc |
| 3493 | Chessboard Puzzle | 220 | POJ Founder Monthly Contest – 2008.01.31, Qi-feng CHEN |
| 3489 | Knapsack I | 263 | POJ Founder Monthly Contest – 2008.01.31, xfxyjwf |
| 3490 | Jumping Frogs | 39 | POJ Founder Monthly Contest – 2008.01.31, xfxyjwf |
| 3491 | Rotated Sky Charts | 26 | POJ Founder Monthly Contest – 2008.01.31, xfxyjwf |
| 3492 | Knapsack II | 292 | POJ Founder Monthly Contest – 2008.01.31, xfxyjwf |
| 3494 | Largest Submatrix of All 1’s | 1890 | POJ Founder Monthly Contest – 2008.01.31, xfxyjwf |
| 3532 | Resistance | 273 | POJ Founder Monthly Contest – 2008.03.16, g201513 |
| 3533 | Light Switching Game | 247 | POJ Founder Monthly Contest – 2008.03.16, g201513 |
| 3529 | Matrix Analysis | 30 | POJ Founder Monthly Contest – 2008.03.16, Gao Yihan |
| 3530 | A Modular Arithmetic Challenge | 199 | POJ Founder Monthly Contest – 2008.03.16, Gao Yihan |
| 3534 | Escape of Life and Death | 203 | POJ Founder Monthly Contest – 2008.03.16, Gao Yihan |
| 3527 | Generalized Connect Four | 46 | POJ Founder Monthly Contest – 2008.03.16, Jiang Liyang |
| 3528 | Ultimate Weapon | 577 | POJ Founder Monthly Contest – 2008.03.16, Jiang Liyang |
| 3531 | Alternating Sum of Digits | 41 | POJ Founder Monthly Contest – 2008.03.16, ShiningMoon |
| 3583 | Text Message Formatting | 98 | POJ Founder Monthly Contest – 2008.04.13, frkstyc |
| 3584 | Small Polynomial Factorization | 13 | POJ Founder Monthly Contest – 2008.04.13, frkstyc |
| 3577 | Global Positioning System | 77 | POJ Founder Monthly Contest – 2008.04.13, Lei Tao |
| 3578 | Card Game | 60 | POJ Founder Monthly Contest – 2008.04.13, Lei Tao |
| 3579 | Median | 3001 | POJ Founder Monthly Contest – 2008.04.13, Lei Tao |
| 3582 | Last Hit | 6 | POJ Founder Monthly Contest – 2008.04.13, TN |
| 3580 | SuperMemo | 1857 | POJ Founder Monthly Contest – 2008.04.13, Yao Jinyu |
| 3581 | Sequence | 945 | POJ Founder Monthly Contest – 2008.04.13, Yao Jinyu |
| 3605 | Sheryl's Circuit I | 372 | POJ Founder Monthly Contest – 2008.06.29, Dagger |
| 3606 | Sheryl's Circuit II | 147 | POJ Founder Monthly Contest – 2008.06.29, Dagger |
| 3609 | Reset Sequence | 254 | POJ Founder Monthly Contest – 2008.06.29, frkstyc |
| 3610 | Maclaurin Series of Reciprocals | 28 | POJ Founder Monthly Contest – 2008.06.29, frkstyc |
| 3611 | Minimum Weighted Perfect Fractional b-Matching | 39 | POJ Founder Monthly Contest – 2008.06.29, frkstyc |
| 3607 | Distribution of Toys | 152 | POJ Founder Monthly Contest – 2008.06.29, Huang Jinsong |
| 3608 | Bridge Across Islands | 1222 | POJ Founder Monthly Contest – 2008.06.29, Lei Tao |
| 3604 | Professor Ben | 1203 | POJ Founder Monthly Contest – 2008.06.29, Lin Ben |
| 3676 | Tomorrow Genius 2008 | 15 | POJ Founder Monthly Contest – 2008.07.27, Dagger |
| 3678 | Katu Puzzle | 2634 | POJ Founder Monthly Contest – 2008.07.27, Dagger |
| 3677 | Chemical Weighing | 46 | POJ Founder Monthly Contest – 2008.07.27, Facer |
| 3679 | The Delivery of Control | 42 | POJ Founder Monthly Contest – 2008.07.27, Facer and Dagger |
| 3674 | Super Assassin | 335 | POJ Founder Monthly Contest – 2008.07.27, Mars |
| 3675 | Telescope | 587 | POJ Founder Monthly Contest – 2008.07.27, Updog |
| 3680 | Intervals | 1786 | POJ Founder Monthly Contest – 2008.07.27, windy7926778 |
| 3681 | Finding the Rectangle | 707 | POJ Founder Monthly Contest – 2008.07.27, windy7926778 |
| 3683 | Priest John's Busiest Day | 2222 | POJ Founder Monthly Contest – 2008.08.31, Dagger and Facer |
| 3688 | Cheat in the Game | 385 | POJ Founder Monthly Contest – 2008.08.31, facer |
| 3689 | Equations | 79 | POJ Founder Monthly Contest – 2008.08.31, Lei, Tao |
| 3684 | Physics Experiment | 1057 | POJ Founder Monthly Contest – 2008.08.31, Simon |
| 3682 | King Arthur's Birthday Celebration | 828 | POJ Founder Monthly Contest – 2008.08.31, Soduku@POJ |
| 3685 | Matrix | 1391 | POJ Founder Monthly Contest – 2008.08.31, windy7926778 |
| 3686 | The Windy's | 1413 | POJ Founder Monthly Contest – 2008.08.31, windy7926778 |
| 3687 | Labeling Balls | 2946 | POJ Founder Monthly Contest – 2008.08.31, windy7926778 |
| 3703 | Intuition of Escape | 63 | POJ Founder Monthly Contest – 2008.10.05, cyqclark |
| 3699 | miniSQL | 508 | POJ Founder Monthly Contest – 2008.10.05, Dagger |
| 3700 | Missile Defence System | 727 | POJ Founder Monthly Contest – 2008.10.05, facer |
| 3704 | Mover | 43 | POJ Founder Monthly Contest – 2008.10.05, Lou Tiancheng |
| 3705 | Reverse | 797 | POJ Founder Monthly Contest – 2008.10.05, Lou Tiancheng |
| 3706 | System Test | 41 | POJ Founder Monthly Contest – 2008.10.05, Lou Tiancheng |
| 3702 | Chessman | 443 | POJ Founder Monthly Contest – 2008.10.05, windy7926778 |
| 3701 | Rubik's Cube: 0-1 Version | 33 | POJ Founder Monthly Contest – 2008.10.05, withleave |
| 3712 | Edges and More Edges | 150 | POJ Founder Monthly Contest – 2008.12.28, Dagger |
| 3713 | Transferring Sylla | 449 | POJ Founder Monthly Contest – 2008.12.28, Dagger |
| 3714 | Raid | 4501 | POJ Founder Monthly Contest – 2008.12.28, Dagger |
| 3707 | High-Dimensional Vector Correspondence | 16 | POJ Founder Monthly Contest – 2008.12.28, frkstyc |
| 3711 | Mayan Pyramid | 245 | POJ Founder Monthly Contest – 2008.12.28, Panda |
| 3709 | K-Anonymous Sequence | 1159 | POJ Founder Monthly Contest – 2008.12.28, Rainer |
| 3708 | Recurrent Function | 221 | POJ Founder Monthly Contest – 2008.12.28, Yaojinyu |
| 3710 | Christmas Game | 579 | POJ Founder Monthly Contest – 2008.12.28, Yaojinyu |
| 1810 | Covering | 132 | POJ Monthly |
| 1811 | Prime Test | 3684 | POJ Monthly |
| 1812 | Zuma Game | 98 | POJ Monthly |
| 1813 | Overlapped Shapes | 154 | POJ Monthly |
| 1814 | Polynomial | 19 | POJ Monthly |
| 1815 | Friendship | 1367 | POJ Monthly |
| 1816 | Wild Words | 892 | POJ Monthly |
| 3745 | Keep Contact | 14 | POJ Monthly Contest - 2009.08.23, Elaxia |
| 3743 | LL’s cake | 94 | POJ Monthly Contest - 2009.08.23, Isun |
| 3746 | Teacher YYF | 215 | POJ Monthly Contest - 2009.08.23, Jason |
| 3740 | Easy Finding | 2291 | POJ Monthly Contest - 2009.08.23, MasterLuo |
| 3744 | Scout YYF I | 1762 | POJ Monthly Contest - 2009.08.23, Simon |
| 3747 | Scout YYF II | 247 | POJ Monthly Contest - 2009.08.23, Simon |
| 3741 | Number System Converter | 148 | POJ Monthly Contest - 2009.08.23, wjn |
| 3742 | Equivalent Polynomial | 386 | POJ Monthly Contest - 2009.08.23, wjn |
| 3758 | The story of three kingdoms XI | 31 | POJ Monthly Contest - 2010.04.04, 1318dotaer |
| 3755 | The Training of Chain Lightning | 31 | POJ Monthly Contest - 2010.04.04, Mars |
| 3756 | Chess Game | 225 | POJ Monthly Contest - 2010.04.04, Mars |
| 3757 | Simple Distributed storage system | 221 | POJ Monthly Contest - 2010.04.04, Yao Jinyu |
| 3759 | Simple Distributed computing system | 67 | POJ Monthly Contest - 2010.04.04, Yao Jinyu |
| 3721 | Darkterror's Combos | 60 | POJ Monthly Contest – 2009.02.22, Dagger |
| 3722 | We're Going In | 20 | POJ Monthly Contest – 2009.02.22, Dagger |
| 3717 | Decrypt the Dragon Scroll | 112 | POJ Monthly Contest – 2009.02.22, Facer |
| 3718 | Facer's Chocolate Dream | 124 | POJ Monthly Contest – 2009.02.22, Facer |
| 3720 | Occurrence of Digits | 1354 | POJ Monthly Contest – 2009.02.22, Lei Tao |
| 3719 | Art of Balance | 155 | POJ Monthly Contest – 2009.02.22, Mars |
| 3716 | Panda's Birthday Present | 932 | POJ Monthly Contest – 2009.02.22, Simon |
| 3715 | Blue and Red | 526 | POJ Monthly Contest – 2009.02.22, Windy |
| 3729 | Facer’s string | 329 | POJ Monthly Contest – 2009.04.05, Facer |
| 3728 | The merchant | 1063 | POJ Monthly Contest – 2009.04.05, GaoYihan |
| 3730 | Ebbinghaus method | 64 | POJ Monthly Contest – 2009.04.05, geniushjs |
| 3727 | Newton’s Method | 130 | POJ Monthly Contest – 2009.04.05, longpo |
| 3724 | Find the parameter | 402 | POJ Monthly Contest – 2009.04.05, Simon |
| 3726 | Windy's ABC | 195 | POJ Monthly Contest – 2009.04.05, windy7926778 |
| 3723 | Conscription | 3951 | POJ Monthly Contest – 2009.04.05, windy7926778 |
| 3725 | I know the k-th integer | 425 | POJ Monthly Contest – 2009.04.05, windy7926778 |
| 2438 | Children's Dining | 436 | POJ Monthly,anonymous |
| 2444 | Partition a Matrix | 439 | POJ Monthly,c0500301036 |
| 2446 | Chessboard | 3456 | POJ Monthly,charlescpp |
| 2310 | Cubic Tick-Tack-Toe | 46 | POJ Monthly,CHEN Shixi(xreborner) |
| 2311 | Cutting Game | 1571 | POJ Monthly,CHEN Shixi(xreborner) |
| 2233 | GAME AGAIN! | 140 | POJ Monthly,dodo |
| 2442 | Sequence | 2016 | POJ Monthly,Guang Lin |
| 2445 | Squares | 101 | POJ Monthly,Guang Lin |
| 2236 | Wireless Network | 7419 | POJ Monthly,HQM |
| 2237 | Can 1 Marine win 2 Zerglings? | 52 | POJ Monthly,HQM |
| 2235 | Triangularize the Convex Hull | 39 | POJ Monthly,kicc |
| 2314 | POJ language | 71 | POJ Monthly,kicc |
| 2153 | Rank List | 1997 | POJ Monthly,Li Haoyuan |
| 2239 | Selecting Courses | 3524 | POJ Monthly,Li Haoyuan |
| 2156 | National Day Celebration | 105 | POJ Monthly,Loger |
| 2152 | Fire | 710 | POJ Monthly,Lou Tiancheng |
| 2154 | Color | 1854 | POJ Monthly,Lou Tiancheng |
| 2155 | Matrix | 6452 | POJ Monthly,Lou Tiancheng |
| 2309 | BST | 5096 | POJ Monthly,Minkerui |
| 2313 | Sequence | 1240 | POJ Monthly,Minkerui |
| 2443 | Set Operation | 1077 | POJ Monthly,Minkerui |
| 2448 | A New Operating System | 86 | POJ Monthly,Minkerui |
| 2234 | Matches Game | 5211 | POJ Monthly,readchild |
| 1817 | Traffic Jam | 114 | POJ Monthly,Southeast USA 1999 |
| 2440 | DNA | 1145 | POJ Monthly,Static |
| 2447 | RSA | 416 | POJ Monthly,static |
| 2452 | Sticks Problem | 1942 | POJ Monthly,static |
| 2441 | Arrange the Bulls | 1316 | POJ Monthly,TN |
| 2315 | Football Game | 170 | POJ Monthly,uni |
| 2157 | Maze | 1000 | POJ Monthly,Wang Yijie |
| 2308 | Dearboy's Puzzle | 196 | POJ Monthly,Wang Yijie |
| 2453 | An Easy Problem | 4191 | POJ Monthly,zby03 |
| 2439 | Disconnect the Orange!? | 74 | POJ Monthly,Zeyuan Zhu |
| 2449 | Remmarguts' Date | 5206 | POJ Monthly,Zeyuan Zhu |
| 2450 | A New Kind of Chess | 40 | POJ Monthly,Zeyuan Zhu |
| 2451 | Uyuw's Concert | 1431 | POJ Monthly,Zeyuan Zhu |
| 2158 | A Difficult Mathematics Problem | 108 | POJ Monthly,李学武 |
| 2232 | New Stone-Forfex-Cloth Game | 504 | POJ Monthly,汪艺杰 |
| 2151 | Check the difficulty of problems | 2334 | POJ Monthly,鲁小石 |
| 2238 | Computer Basketball Game | 98 | POJ Monthly,鲁小石 |
| 2312 | Battle City | 2603 | POJ Monthly,鲁小石 |
| 1659 | Frogs' Neighborhood | 3100 | POJ Monthly--2004.05.15 Alcyone@pku |
| 1662 | CoIns | 194 | POJ Monthly--2004.05.15 BearL@pku |
| 1661 | Help Jimmy | 3161 | POJ Monthly--2004.05.15 CEOI 2000 |
| 1660 | Princess FroG | 405 | POJ Monthly--2004.05.15 duoshute@pku |
| 1655 | Balancing Act | 5142 | POJ Monthly--2004.05.15 IOI 2003 sample task |
| 1654 | Area | 3564 | POJ Monthly--2004.05.15 Liu Rujia@POJ |
| 1656 | Counting Black | 6339 | POJ Monthly--2004.05.15 Liu Rujia@POJ |
| 1657 | Distance on Chessboard | 8071 | POJ Monthly--2004.05.15 Liu Rujia@POJ |
| 1658 | Eva's Problem | 10138 | POJ Monthly--2004.05.15 Null |
| 1682 | Clans on the Three Gorges | 314 | POJ Monthly--2004.06.27 epic |
| 1675 | Happy Birthday! | 888 | POJ Monthly--2004.06.27 srbga@POJ |
| 1677 | Girls' Day | 582 | POJ Monthly--2004.06.27 srbga@POJ |
| 1678 | I Love this Game! | 719 | POJ Monthly--2004.06.27 srbga@POJ |
| 1679 | The Unique MST | 6421 | POJ Monthly--2004.06.27 srbga@POJ |
| 1680 | Fork() Makes Trouble | 303 | POJ Monthly--2004.06.27 srbga@POJ |
| 1681 | Painter's Problem | 2175 | POJ Monthly--2004.06.27 张嘉龄 |
| 1674 | Sorting by Swapping | 4060 | POJ Monthly--2004.06.27 弱人 |
| 1676 | What time is it? | 631 | POJ Monthly--2004.06.27 鄂继明 |
| 1698 | Alice's Chance | 1904 | POJ Monthly--2004.07.18 |
| 1699 | Best Sequence | 3081 | POJ Monthly--2004.07.18 |
| 1700 | Crossing River | 6142 | POJ Monthly--2004.07.18 |
| 1701 | Dissatisfying Lift | 1020 | POJ Monthly--2004.07.18 |
| 1702 | Eva's Balance | 1733 | POJ Monthly--2004.07.18 |
| 1703 | Find them, Catch them | 8949 | POJ Monthly--2004.07.18 |
| 1704 | Georgia and Bob | 3183 | POJ Monthly--2004.07.18 |
| 1705 | Generational Replacement | 77 | POJ Monthly--2004.07.18 |
| 2519 | Cutting Necklace | 84 | POJ Monthly--2005.07.31, CHEN Shixi |
| 2520 | DNA Sequence Alignment | 79 | POJ Monthly--2005.07.31, CHEN Shixi |
| 2518 | Little guys' game | 111 | POJ Monthly--2005.07.31, Huang Ninghai |
| 2514 | Ridiculous Addition | 310 | POJ Monthly--2005.07.31, Islamic Azad University of Mashhad – Collegiate Coding Challenge 1 |
| 2517 | Cover | 26 | POJ Monthly--2005.07.31, LouTianCheng |
| 2516 | Minimum Cost | 3256 | POJ Monthly--2005.07.31, Wang Yijie |
| 2521 | How much did the businessman lose | 6908 | POJ Monthly--2005.07.31, Wang Yijie |
| 2515 | Birthday Cake | 255 | POJ Monthly--2005.07.31, Zeyuan Zhu |
| 2592 | Standard Point System | 109 | POJ Monthly--2005.08.28,anonymous |
| 2596 | Dice Stacking | 316 | POJ Monthly--2005.08.28,Huang Ninghai |
| 2598 | Match Throwing Game | 261 | POJ Monthly--2005.08.28,kicc |
| 2593 | Max Sequence | 6072 | POJ Monthly--2005.08.28,Li Haoyuan |
| 2594 | Treasure Exploration | 2672 | POJ Monthly--2005.08.28,Li Haoyuan |
| 2591 | Set Definition | 3440 | POJ Monthly--2005.08.28,Static |
| 2595 | Min-Max | 285 | POJ Monthly--2005.08.28,Static |
| 2597 | Line Segment Erase | 350 | POJ Monthly--2005.08.28,Static |
| 2748 | Logs Stacking | 805 | POJ Monthly--2006.01.22,anonymous |
| 2751 | Saving Endeavour | 697 | POJ Monthly--2006.01.22,anonymous |
| 2755 | Dominoes | 41 | POJ Monthly--2006.01.22,Loger |
| 2750 | Potted Flower | 1388 | POJ Monthly--2006.01.22,Zeyuan Zhu |
| 2752 | Seek the Name, Seek the Fame | 7022 | POJ Monthly--2006.01.22,Zeyuan Zhu |
| 2753 | Similarity of necklaces | 38 | POJ Monthly--2006.01.22,Zeyuan Zhu |
| 2754 | Similarity of necklaces 2 | 182 | POJ Monthly--2006.01.22,Zeyuan Zhu |
| 2749 | Building roads | 1430 | POJ Monthly--2006.01.22,zhucheng |
| 2756 | Autumn is a Genius | 1502 | POJ Monthly--2006.02.26,zgl & twb |
| 2757 | Beautiful Numbers | 115 | POJ Monthly--2006.02.26,zgl & twb |
| 2758 | Checking the Text | 472 | POJ Monthly--2006.02.26,zgl & twb |
| 2759 | Distributing tasks | 159 | POJ Monthly--2006.02.26,zgl & twb |
| 2760 | End of Windless Days | 187 | POJ Monthly--2006.02.26,zgl & twb |
| 2761 | Feed the dogs | 3026 | POJ Monthly--2006.02.26,zgl & twb |
| 2762 | Going from u to v or from v to u? | 2881 | POJ Monthly--2006.02.26,zgl & twb |
| 2763 | Housewife Wind | 1761 | POJ Monthly--2006.02.26,zgl & twb |
| 2777 | Count Color | 7945 | POJ Monthly--2006.03.26,dodo |
| 2778 | DNA Sequence | 2964 | POJ Monthly--2006.03.26,dodo |
| 2775 | The Number of the Same BST | 426 | POJ Monthly--2006.03.26,newton88518 |
| 2773 | Happy 2006 | 2576 | POJ Monthly--2006.03.26,static |
| 2780 | Linearity | 1206 | POJ Monthly--2006.03.26,static |
| 2774 | Long Long Message | 5361 | POJ Monthly--2006.03.26,Zeyuan Zhu,"Dedicate to my great beloved mother." |
| 2779 | Atom Bombs!? God! | 47 | POJ Monthly--2006.03.26,Zeyuan Zhu,Modified from NEERC2005 Area |
| 2776 | Cheat at Math | 21 | POJ Monthly--2006.03.26,Zeyuan Zhu,Modified from Timus 1429 |
| 2825 | Perfect Permutation | 152 | POJ Monthly--2006.04.28, Dagger@PKU_RPWT |
| 2826 | An Easy Problem?! | 1274 | POJ Monthly--2006.04.28, Dagger@PKU_RPWT |
| 2819 | TN's Kingdom I - Establishment | 184 | POJ Monthly--2006.04.28, frkstyc@PKU_RPWT |
| 2820 | TN's Kingdom II - Construction | 42 | POJ Monthly--2006.04.28, frkstyc@PKU_RPWT |
| 2821 | TN's Kingdom III - Assassination | 78 | POJ Monthly--2006.04.28, frkstyc@PKU_RPWT |
| 2822 | TN's Kingdom IV - Collapse | 81 | POJ Monthly--2006.04.28, frkstyc@PKU_RPWT |
| 2823 | Sliding Window | 9622 | POJ Monthly--2006.04.28, Ikki |
| 2824 | Bohemian Rhapsody | 22 | POJ Monthly--2006.04.28, TN@PKU_RPWT |
| 2834 | Where Are You? | 176 | POJ Monthly--2006.05.28, Judas |
| 2829 | How Many Free Dimensions? | 28 | POJ Monthly--2006.05.28, Liang, Shaochi |
| 2827 | Auto-Calculation Machine | 351 | POJ Monthly--2006.05.28, Static |
| 2830 | Max Sequence II | 84 | POJ Monthly--2006.05.28, Static |
| 2833 | The Average | 2611 | POJ Monthly--2006.05.28, zby03 |
| 2828 | Buy Tickets | 5940 | POJ Monthly--2006.05.28, Zhu, Zeyuan |
| 2831 | Can We Build This One? | 451 | POJ Monthly--2006.05.28, zhucheng |
| 2832 | How Many Pairs? | 455 | POJ Monthly--2006.05.28, zhucheng |
| 2843 | Cutting Cake | 138 | POJ Monthly--2006.06.25, Chen Xue |
| 2837 | Silver Matrix | 577 | POJ Monthly--2006.06.25, Lei Tao |
| 2840 | Big Clock | 5935 | POJ Monthly--2006.06.25, Lei Tao |
| 2839 | Convex Hull and Triangle | 32 | POJ Monthly--2006.06.25, Long Fan |
| 2842 | N-dimension Matching | 89 | POJ Monthly--2006.06.25, Long Fan |
| 2841 | Navigation Game | 72 | POJ Monthly--2006.06.25, Yang Yi |
| 2844 | Sum and Product | 76 | POJ Monthly--2006.06.25, Yang Yi |
| 2838 | Graph Connectivity | 509 | POJ Monthly--2006.06.25, Zheng Zhao |
| 2888 | Magic Bracelet | 1043 | POJ Monthly--2006.07.30, cuiaoxiang |
| 2893 | M × N Puzzle | 865 | POJ Monthly--2006.07.30, newton88518 |
| 2886 | Who Gets the Most Candies? | 2537 | POJ Monthly--2006.07.30, Sempr |
| 2890 | Matrix Multiplication | 375 | POJ Monthly--2006.07.30, Static |
| 2891 | Strange Way to Express Integers | 3552 | POJ Monthly--2006.07.30, Static |
| 2892 | Tunnel Warfare | 2321 | POJ Monthly--2006.07.30, updog |
| 2889 | Unique Solution | 170 | POJ Monthly--2006.07.30, Wang, Yijie |
| 2887 | Big String | 1194 | POJ Monthly--2006.07.30, zhucheng |
| 2982 | Time Travel | 373 | POJ Monthly--2006.08.27, Dagger |
| 2983 | Is the Information Reliable? | 2357 | POJ Monthly--2006.08.27, Dagger |
| 2981 | Deal of Fortune | 26 | POJ Monthly--2006.08.27, frkstyc |
| 2987 | Firing | 1713 | POJ Monthly--2006.08.27, frkstyc |
| 2988 | Function Approximation | 43 | POJ Monthly--2006.08.27, frkstyc |
| 2986 | A Triangle and a Circle | 454 | POJ Monthly--2006.08.27, Rainer |
| 2984 | A New Joseph Problem | 478 | POJ Monthly--2006.08.27, zcgzcgzcg |
| 2985 | The k-th Largest Group | 1743 | POJ Monthly--2006.08.27, zcgzcgzcg |
| 3015 | Expected Difference | 263 | POJ Monthly--2006.09.29, ACRush |
| 3016 | K-Monotonic | 266 | POJ Monthly--2006.09.29, ACRush, modified from TopCoder SRM 309 KMonotonic |
| 3012 | A Number from Yanghui Triangle | 627 | POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ) |
| 3013 | Big Christmas Tree | 2574 | POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ) |
| 3014 | Cake Pieces and Plates | 1192 | POJ Monthly--2006.09.29, Kim, Chan Min (kcm1700@POJ) |
| 3018 | Giftbox | 749 | POJ Monthly--2006.09.29, sza |
| 3019 | Image Rotation | 20 | POJ Monthly--2006.09.29, zby03 |
| 3017 | Cut the Sequence | 1948 | POJ Monthly--2006.09.29, zhucheng |
| 3162 | Walking Race | 587 | POJ Monthly--2006.12.31, flymouse |
| 3163 | King of Fighters | 86 | POJ Monthly--2006.12.31, flymouse |
| 3161 | Numerical Integration | 6 | POJ Monthly--2006.12.31, galaxy |
| 3164 | Command Network | 2338 | POJ Monthly--2006.12.31, galaxy |
| 3159 | Candies | 4477 | POJ Monthly--2006.12.31, Sempr |
| 3160 | Father Christmas flymouse | 720 | POJ Monthly--2006.12.31, Sempr |
| 3165 | Traveling Trio | 22 | POJ Monthly--2006.12.31, Zhu, Zeyuan |
| 3166 | Jumping Frog | 77 | POJ Monthly--2006.12.31, Zhu, Zeyuan |
| 3202 | A Very Simple Compiler | 5 | POJ Monthly--2007.03.04, Hou, Qiming |
| 3203 | Incremental Python Parsing | 10 | POJ Monthly--2007.03.04, Hou, Qiming |
| 3204 | Ikki's Story I - Road Reconstruction | 1345 | POJ Monthly--2007.03.04, Ikki |
| 3205 | Ikki's Story II - War with TN | 178 | POJ Monthly--2007.03.04, Ikki |
| 3206 | Ikki's Story III - Rescue frkstyc! | 98 | POJ Monthly--2007.03.04, Ikki |
| 3207 | Ikki's Story IV - Panda's Trick | 2621 | POJ Monthly--2007.03.04, Ikki |
| 3209 | From Pythagoras to … | 211 | POJ Monthly--2007.03.04, Ikki |
| 3208 | Apocalypse Someday | 958 | POJ Monthly--2007.03.04, Ikki, adapted from TCHS SRM 2 ApocalypseSomeday |
| 3216 | Repairing Company | 1345 | POJ Monthly--2007.04.01, crazyb0y |
| 3214 | Heap | 441 | POJ Monthly--2007.04.01, czh |
| 3211 | Washing Clothes | 2213 | POJ Monthly--2007.04.01, dearboy |
| 3215 | Median of Lines | 137 | POJ Monthly--2007.04.01, dearboy |
| 3217 | Eugenics | 265 | POJ Monthly--2007.04.01, Huang, Jinsong |
| 3212 | Rescue Alice | 281 | POJ Monthly--2007.04.01, Liu, Cheng |
| 3210 | Coins | 4411 | POJ Monthly--2007.04.01, Snoopy |
| 3213 | PM3 | 996 | POJ Monthly--2007.04.01, zhucheng |
| 3233 | Matrix Power Series | 6976 | POJ Monthly--2007.06.03, Huang, Jinsong |
| 3240 | Solution to the n2 − 1 Puzzle | 46 | POJ Monthly--2007.06.03, Huang, Jinsong |
| 3234 | The Kylin Den | 18 | POJ Monthly--2007.06.03, Jia, You |
| 3236 | Michelle's Evaluation | 68 | POJ Monthly--2007.06.03, Jia, You |
| 3235 | Super Knight | 40 | POJ Monthly--2007.06.03, Lei, Tao |
| 3237 | Tree | 1314 | POJ Monthly--2007.06.03, Lei, Tao |
| 3238 | A Coin Game | 76 | POJ Monthly--2007.06.03, Yao, Jinyu |
| 3239 | Solution to the n Queens Puzzle | 1277 | POJ Monthly--2007.06.03, Yao, Jinyu |
| 3245 | Sequence Partitioning | 202 | POJ Monthly--2007.07.08, Chen, Danqi |
| 3242 | 3-dimensional Musical Water-fence | 29 | POJ Monthly--2007.07.08, Chen, Qifeng |
| 3248 | Soldier | 66 | POJ Monthly--2007.07.08, Chen, Qifeng |
| 3243 | Clever Y | 1032 | POJ Monthly--2007.07.08, Guo, Huayang |
| 3247 | Robots | 9 | POJ Monthly--2007.07.08, Guo, Huayang |
| 3246 | Game | 253 | POJ Monthly--2007.07.08, Wang, Dong |
| 3244 | Difference between Triplets | 627 | POJ Monthly--2007.07.08, Yuan, Xinhao |
| 3249 | Test for Job | 1632 | POJ Monthly--2007.07.08, 落叶飞雪 |
| 3324 | Lucas-Lehmer Test | 98 | POJ Monthly--2007.08.05, frkstyc |
| 3319 | Dragon Slayer Qualification Exam | 85 | POJ Monthly--2007.08.05, Hooyeon Lee (ltdtl@POJ), "I like dragons" |
| 3321 | Apple Tree | 6291 | POJ Monthly--2007.08.05, Huang, Jinsong |
| 3320 | Jessica's Reading Problem | 4198 | POJ Monthly--2007.08.05, Jerry |
| 3241 | Object Clustering | 437 | POJ Monthly--2007.08.05, Li, Haoyuan |
| 3318 | Matrix Multiplication | 3422 | POJ Monthly--2007.08.05, qzc |
| 3322 | Bloxorz I | 1484 | POJ Monthly--2007.08.05, Rainer |
| 3323 | Bloxorz II | 142 | POJ Monthly--2007.08.05, Rainer |
| 3372 | Candy Distribution | 2775 | POJ Monthly--2007.09.09, ailyanlu@zsu |
| 3377 | Ferry Lanes | 640 | POJ Monthly--2007.09.09, Dagger |
| 3371 | Flesch Reading Ease | 501 | POJ Monthly--2007.09.09, frkstyc |
| 3373 | Changing Digits | 797 | POJ Monthly--2007.09.09, Rainer |
| 3378 | Crazy Thairs | 1112 | POJ Monthly--2007.09.09, tdzl2003 |
| 3374 | Cake Share | 609 | POJ Monthly--2007.09.09, Updog |
| 3375 | Network Connection | 468 | POJ Monthly--2007.09.09, Updog |
| 3376 | Finding Palindromes | 393 | POJ Monthly--2007.09.09, Zhou Gelin, modified from POI06 |
| 3421 | X-factor Chains | 2014 | POJ Monthly--2007.10.06, ailyanlu@zsu |
| 3418 | Quadratic Functions | 105 | POJ Monthly--2007.10.06, Amber(hupo001)@POJ |
| 3420 | Quad Tiling | 1594 | POJ Monthly--2007.10.06, Dagger |
| 3422 | Kaka's Matrix Travels | 2227 | POJ Monthly--2007.10.06, Huang, Jinsong |
| 3419 | Difference Is Beautiful | 467 | POJ Monthly--2007.10.06, SHOIT@ZSU |
| 3416 | Crossing | 543 | POJ Monthly--2007.10.06, Wang Dong |
| 3415 | Common Substrings | 2172 | POJ Monthly--2007.10.06, wintokk |
| 3417 | Network | 1528 | POJ Monthly--2007.10.06, Yang Mu |
| 3464 | Approximations | 24 | POJ Monthly--2007.11.25, Yang Yi |
| 3465 | Battle | 407 | POJ Monthly--2007.11.25, Yang Yi |
| 3466 | Distance to the Prey | 16 | POJ Monthly--2007.11.25, Yang Yi |
| 3467 | Cross Counting | 294 | POJ Monthly--2007.11.25, Yang Yi |
| 3468 | A Simple Problem with Integers | 15755 | POJ Monthly--2007.11.25, Yang Yi |
| 3469 | Dual Core CPU | 3803 | POJ Monthly--2007.11.25, Zhou Dong |
| 3470 | Walls | 214 | POJ Monthly--2007.11.25, Zhou Dong |
| 3471 | Integral Roots | 178 | POJ Monthly--2007.11.25, Zhou Dong |
| 1831 | 不定方程组 | 192 | qinlu@POJ |
| 1832 | 连环锁 | 384 | qinlu@POJ |
| 1833 | 排列 | 5624 | qinlu@POJ |
| 1834 | 线段处理 | 62 | qinlu@POJ |
| 1835 | 宇航员 | 1804 | qinlu@POJ |
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