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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 | Ratio(AC/submit) | Date |
| 3600 | Subimage Recognition | 37%(1266/3333) | Jan 9, 2026 |
| 3601 | Tower of Hanoi | 30%(781/2555) | Dec 10, 2025 |
| 3602 | Typographical Ligatures | 43%(581/1332) | Jan 7, 2026 |
| 3603 | Zen Puzzle Garden | 24%(75/307) | Dec 3, 2025 |
| 3604 | Professor Ben | 25%(2361/9288) | Dec 10, 2025 |
| 3605 | Sheryl's Circuit I | 41%(524/1256) | Dec 3, 2025 |
| 3606 | Sheryl's Circuit II | 41%(222/536) | Dec 10, 2025 |
| 3607 | Distribution of Toys | 16%(206/1248) | Dec 3, 2025 |
| 3608 | Bridge Across Islands | 28%(4204/14716) | Nov 25, 2025 |
| 3609 | Reset Sequence | 36%(368/1010) | Dec 29, 2025 |
| 3610 | Maclaurin Series of Reciprocals | 24%(64/261) | Dec 3, 2025 |
| 3611 | Minimum Weighted Perfect Fractional b-Matching | 34%(48/141) | Dec 10, 2025 |
| 3612 | Telephone Wire | 34%(1338/3901) | Feb 25, 2026 |
| 3613 | Cow Relays | 39%(4675/11899) | Jan 24, 2026 |
| 3614 | Sunscreen | 35%(6688/18852) | Feb 25, 2026 |
| 3615 | Cow Hurdles | 42%(4498/10591) | Jan 7, 2026 |
| 3616 | Milking Time | 45%(12288/26931) | Feb 5, 2026 |
| 3617 | Best Cow Line | 24%(16077/64924) | Feb 3, 2026 |
| 3618 | Exploration | 47%(2452/5121) | Nov 20, 2025 |
| 3619 | Speed Reading | 46%(4695/10001) | Dec 10, 2025 |
| 3620 | Avoid The Lakes | 51%(5417/10563) | Jan 8, 2026 |
| 3621 | Sightseeing Cows | 33%(4892/14781) | Jan 31, 2026 |
| 3622 | Gourmet Grazers | 35%(1026/2862) | Jan 8, 2026 |
| 3623 | Best Cow Line, Gold | 33%(2355/7021) | Jan 7, 2026 |
| 3624 | Charm Bracelet | 41%(32383/77723) | Feb 27, 2026 |
| 3625 | Building Roads | 26%(3913/14500) | Jan 8, 2026 |
| 3626 | Mud Puddles | 55%(2105/3822) | Jan 9, 2026 |
| 3627 | Bookshelf | 49%(5102/10339) | Jan 7, 2026 |
| 3628 | Bookshelf 2 | 44%(6295/14168) | Jan 7, 2026 |
| 3629 | Card Stacking | 32%(3020/9333) | Jan 12, 2026 |
| 3630 | Phone List | 25%(13779/53210) | Feb 6, 2026 |
| 3631 | Cuckoo Hashing | 33%(446/1344) | Jan 7, 2026 |
| 3632 | Optimal Parking | 60%(5184/8639) | Nov 20, 2025 |
| 3633 | Copying DNA | 34%(315/915) | Jan 8, 2026 |
| 3634 | Circle of Debt | 33%(114/339) | Jan 8, 2026 |
| 3635 | Full Tank? | 36%(6284/17072) | Dec 17, 2025 |
| 3636 | Nested Dolls | 27%(2537/9195) | Jan 9, 2026 |
| 3637 | Shopaholic | 57%(3190/5562) | Jan 7, 2026 |
| 3638 | Moogle | 42%(611/1426) | Dec 3, 2025 |
| 3639 | Exchange Rates | 34%(981/2807) | Dec 3, 2025 |
| 3640 | Conformity | 27%(1092/4015) | Jan 8, 2026 |
| 3641 | Pseudoprime numbers | 42%(7869/18327) | Jan 8, 2026 |
| 3642 | Carpool | 19%(176/913) | Jan 8, 2026 |
| 3643 | Friend or Foe? | 28%(309/1083) | Dec 10, 2025 |
| 3644 | Gangs | 31%(152/487) | Jan 8, 2026 |
| 3645 | Smeech | 26%(717/2755) | Dec 10, 2025 |
| 3646 | The Dragon of Loowater | 47%(2314/4878) | Jan 19, 2026 |
| 3647 | Tournament | 22%(170/762) | Dec 10, 2025 |
| 3648 | Wedding | 30%(4319/14345) | Jan 30, 2026 |
| 3649 | Typesetting | 41%(258/628) | Dec 10, 2025 |
| 3650 | The Seven Percent Solution | 66%(5546/8303) | Nov 20, 2025 |
| 3651 | Slink | 23%(27/114) | Dec 10, 2025 |
| 3652 | Persistent Bits | 56%(1639/2877) | Nov 26, 2025 |
| 3653 | Here We Go(relians) Again | 42%(738/1731) | Dec 10, 2025 |
| 3654 | Electronic Document Security | 59%(686/1162) | Dec 10, 2025 |
| 3655 | Guard | 37%(101/268) | Oct 21, 2025 |
| 3656 | Rock Skipping | 40%(726/1777) | Nov 26, 2025 |
| 3657 | Haybale Guessing | 26%(780/2952) | Dec 3, 2025 |
| 3658 | Artificial Lake | 35%(866/2440) | Jan 7, 2026 |
| 3659 | Cell Phone Network | 34%(3430/9841) | Jan 8, 2026 |
| 3660 | Cow Contest | 55%(16130/28883) | Feb 3, 2026 |
| 3661 | Running | 37%(3330/8952) | Jan 8, 2026 |
| 3662 | Telephone Lines | 34%(5002/14352) | Feb 25, 2026 |
| 3663 | Costume Party | 39%(6906/17705) | Jan 16, 2026 |
| 3664 | Election Time | 48%(6121/12534) | Dec 21, 2025 |
| 3665 | iCow | 36%(2565/7020) | Jan 7, 2026 |
| 3666 | Making the Grade | 45%(7696/17016) | Feb 1, 2026 |
| 3667 | Hotel | 43%(11307/26117) | Feb 26, 2026 |
| 3668 | Game of Lines | 37%(2825/7503) | Jan 7, 2026 |
| 3669 | Meteor Shower | 25%(10381/40825) | Jan 19, 2026 |
| 3670 | Eating Together | 48%(3882/8041) | Jan 8, 2026 |
| 3671 | Dining Cows | 40%(3855/9428) | Jan 7, 2026 |
| 3672 | Long Distance Racing | 53%(4937/9284) | Jan 7, 2026 |
| 3673 | Cow Multiplication | 68%(10121/14689) | Jan 7, 2026 |
| 3674 | Super Assassin | 22%(564/2560) | Dec 10, 2025 |
| 3675 | Telescope | 27%(1279/4714) | Jan 15, 2026 |
| 3676 | Tomorrow Genius 2008 | 16%(18/107) | Dec 3, 2025 |
| 3677 | Chemical Weighing | 15%(94/609) | Dec 10, 2025 |
| 3678 | Katu Puzzle | 35%(5445/15136) | Jan 7, 2026 |
| 3679 | The Delivery of Control | 29%(74/255) | Dec 10, 2025 |
| 3680 | Intervals | 43%(4551/10570) | Feb 4, 2026 |
| 3681 | Finding the Rectangle | 30%(1031/3410) | Jan 8, 2026 |
| 3682 | King Arthur's Birthday Celebration | 32%(1508/4607) | Jan 9, 2026 |
| 3683 | Priest John's Busiest Day | 33%(5147/15381) | Feb 6, 2026 |
| 3684 | Physics Experiment | 35%(1887/5266) | Jan 16, 2026 |
| 3685 | Matrix | 31%(4828/15116) | Jan 6, 2026 |
| 3686 | The Windy's | 39%(2962/7422) | Jan 27, 2026 |
| 3687 | Labeling Balls | 28%(5933/20556) | Feb 4, 2026 |
| 3688 | Cheat in the Game | 38%(680/1744) | Dec 10, 2025 |
| 3689 | Equations | 9%(148/1559) | Jan 7, 2026 |
| 3690 | Constellations | 20%(1644/7961) | Dec 10, 2025 |
| 3691 | DNA repair | 45%(3940/8742) | Nov 25, 2025 |
| 3692 | Kindergarten | 47%(4509/9498) | Jan 8, 2026 |
| 3693 | Maximum repetition substring | 30%(4484/14797) | Jan 7, 2026 |
| 3694 | Network | 34%(6513/18772) | Feb 26, 2026 |
| 3695 | Rectangles | 30%(1311/4355) | Nov 25, 2025 |
| 3696 | The Luckiest number | 24%(3131/12728) | Dec 10, 2025 |
| 3697 | USTC campus network | 30%(1599/5244) | Jan 8, 2026 |
| 3699 | miniSQL | 29%(748/2514) | Jan 8, 2026 |
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