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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 |
| 3810 | Hobby on Rails | 16%(8/49) | Oct 1, 2021 |
| 3877 | Genetics | 30%(17/56) | Aug 31, 2021 |
| 3885 | Escape from the Minefield | 17%(12/69) | Oct 20, 2025 |
| 3880 | Routing | 32%(23/71) | Oct 20, 2025 |
| 3806 | Origami Through-Hole | 21%(17/79) | Oct 23, 2025 |
| 3807 | Chemist’s Math | 31%(36/116) | Oct 18, 2025 |
| 3822 | Cover Up | 21%(27/128) | Oct 20, 2025 |
| 3876 | Darts | 32%(46/140) | Nov 12, 2025 |
| 3828 | Zombies VS Plants | 15%(24/151) | Oct 18, 2025 |
| 3896 | Multiprocessor Scheduling | 39%(62/156) | Nov 25, 2025 |
| 3858 | Hurry Plotter | 43%(68/157) | Oct 23, 2025 |
| 3833 | Hamlet's gambling | 16%(26/162) | Jul 24, 2021 |
| 3883 | Penguin Bashing | 28%(47/163) | Oct 23, 2025 |
| 3857 | Solar Eclipse | 23%(40/167) | Nov 25, 2025 |
| 3804 | Swimming Jam | 38%(67/176) | Oct 21, 2025 |
| 3826 | Trip the Lights Fantastic | 18%(32/177) | Oct 21, 2025 |
| 3866 | Exclusive Access 2 | 43%(78/181) | Oct 21, 2025 |
| 3888 | Dimensional Warp Drive | 32%(65/198) | Oct 23, 2025 |
| 3830 | Ancient vending machine | 29%(60/203) | Oct 19, 2025 |
| 3823 | Decompressing in a GIF | 26%(57/213) | Nov 25, 2025 |
| 3848 | Room Assignments | 29%(64/214) | Oct 20, 2025 |
| 3824 | Flipper | 44%(103/231) | Oct 20, 2025 |
| 3854 | Another Brick in the Wall | 50%(123/243) | Oct 21, 2025 |
| 3872 | K-equivalence | 15%(39/253) | Nov 17, 2025 |
| 3836 | P2P File Sharing System | 40%(113/276) | Nov 17, 2025 |
| 3879 | Slalom | 17%(50/278) | Nov 17, 2025 |
| 3861 | Royal Gems | 11%(33/278) | Nov 12, 2025 |
| 3871 | Java Certification | 18%(51/280) | Nov 25, 2025 |
| 3875 | Lights | 36%(105/285) | Oct 21, 2025 |
| 3890 | No Smoking, Please | 19%(56/294) | Oct 20, 2025 |
| 3884 | Gearbox | 9%(30/302) | Oct 19, 2025 |
| 3825 | Here's a Product Which Will Make You Tensor | 15%(48/306) | Oct 21, 2025 |
| 3887 | The Pharaoh's Curse | 16%(52/313) | Oct 23, 2025 |
| 3881 | Happy Telephones | 59%(186/314) | Oct 23, 2025 |
| 3855 | Blast the Enemy! | 54%(179/326) | Nov 25, 2025 |
| 3808 | Malfatti Circles | 45%(149/328) | Nov 17, 2025 |
| 3834 | Graph Game | 18%(62/338) | Oct 18, 2025 |
| 3867 | Funny Language | 29%(105/357) | Oct 23, 2025 |
| 3809 | Twenty Questions | 39%(142/357) | Oct 23, 2025 |
| 3868 | Garbling Game | 22%(79/358) | Oct 23, 2025 |
| 3874 | Working at the Restaurant | 37%(133/359) | Nov 20, 2025 |
| 3859 | ACM Coalition | 21%(78/360) | Nov 17, 2025 |
| 3856 | deltree | 60%(222/364) | Oct 17, 2025 |
| 3860 | Fruit Weights | 28%(105/375) | Oct 23, 2025 |
| 3849 | Settlers of Catan | 48%(186/380) | Nov 25, 2025 |
| 3811 | Infected Land | 21%(85/387) | Nov 25, 2025 |
| 3886 | Baby's Blocks | 46%(180/390) | Oct 21, 2025 |
| 3851 | Wormholes | 11%(44/391) | Oct 20, 2025 |
| 3818 | Mosaic | 30%(125/409) | Oct 23, 2025 |
| 3899 | The Lucky Numbers | 28%(125/434) | Nov 12, 2025 |
| 3846 | Mountain Road | 35%(155/441) | Oct 17, 2025 |
| 3827 | Facer is learning to swim | 28%(127/443) | Oct 23, 2025 |
| 3816 | Pool Table | 13%(61/444) | Nov 25, 2025 |
| 3898 | Software Industry Revolution | 27%(130/468) | Oct 23, 2025 |
| 3829 | Seat taking up is tough | 34%(170/487) | Oct 21, 2025 |
| 3819 | Coverage | 21%(106/496) | Nov 25, 2025 |
| 3845 | Fractal | 37%(197/519) | Oct 21, 2025 |
| 3812 | Block Game | 10%(57/540) | Oct 21, 2025 |
| 3805 | Separate Points | 38%(222/582) | Oct 18, 2025 |
| 3821 | Clickomania | 23%(142/609) | Oct 21, 2025 |
| 3802 | Cubist Artwork | 64%(405/624) | Nov 25, 2025 |
| 3803 | Repeated Substitution with Sed | 42%(268/628) | Oct 26, 2025 |
| 3893 | Hard-working Student | 32%(208/637) | Oct 19, 2025 |
| 3843 | Common Subexpression Elimination | 8%(55/670) | Nov 25, 2025 |
| 3892 | RSA Factorization | 26%(176/670) | Oct 21, 2025 |
| 3862 | Asteroids | 35%(245/696) | Oct 19, 2025 |
| 3831 | Open-air shopping malls | 32%(228/705) | Oct 23, 2025 |
| 3894 | System Engineer | 39%(285/726) | Nov 20, 2025 |
| 3870 | Inspection | 23%(178/771) | Nov 25, 2025 |
| 3813 | Euclid | 25%(197/774) | Nov 25, 2025 |
| 3850 | Simple Polygon | 29%(232/793) | Nov 25, 2025 |
| 3869 | Headshot | 49%(410/832) | Oct 23, 2025 |
| 3847 | Moving to Nuremberg | 25%(224/871) | Nov 25, 2025 |
| 3815 | The Ninja Way | 26%(236/889) | Oct 23, 2025 |
| 3853 | Painting | 21%(196/926) | Nov 17, 2025 |
| 3835 | Columbus's bargain | 28%(264/928) | Nov 25, 2025 |
| 3817 | Robot Challenge | 32%(301/931) | Nov 25, 2025 |
| 3873 | Trick or Treat | 23%(241/1019) | Nov 25, 2025 |
| 3801 | Crazy Circuits | 82%(846/1031) | Sep 2, 2025 |
| 3820 | XML | 24%(286/1156) | Nov 12, 2025 |
| 3832 | Posters | 23%(282/1186) | Nov 25, 2025 |
| 3878 | Haunted Graveyard | 17%(218/1215) | Sep 1, 2025 |
| 3814 | Museum Guards | 20%(255/1222) | Oct 18, 2025 |
| 3852 | String LD | 51%(675/1319) | Nov 25, 2025 |
| 3897 | Maze Stretching | 23%(418/1749) | Oct 19, 2025 |
| 3865 | Database | 16%(308/1841) | Nov 12, 2025 |
| 3842 | An Industrial Spy | 38%(754/1936) | Nov 25, 2025 |
| 3882 | Stammering Aliens | 22%(442/1967) | Sep 15, 2025 |
| 3863 | Business Center | 38%(899/2331) | Nov 25, 2025 |
| 3800 | Repair Depots | 74%(1809/2419) | Oct 21, 2025 |
| 3895 | Cycles of Lanes | 36%(930/2583) | Oct 18, 2025 |
| 3844 | Divisible Subsequences | 33%(1094/3250) | Nov 25, 2025 |
| 3889 | Fractal Streets | 25%(1519/6073) | Oct 20, 2025 |
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