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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 |
| 2097 | Drawing Windows | 22%(26/116) | Mar 11, 2026 |
| 2012 | Triangle Cuts | 12%(37/287) | Dec 9, 2025 |
| 2095 | Beth Tableaux | 17%(37/214) | Jun 23, 2026 |
| 2072 | GHOST | 15%(38/246) | Dec 9, 2025 |
| 2099 | Fool's Day | 7%(43/589) | Jul 17, 2026 |
| 2077 | Balanced Budget Initiative | 19%(50/262) | Mar 21, 2026 |
| 2024 | Know When to Hold 'em | 29%(52/175) | Mar 5, 2026 |
| 2093 | Cutting Edge | 24%(58/233) | Dec 9, 2025 |
| 2025 | Cubic Rube | 21%(62/293) | Mar 5, 2026 |
| 2076 | All Roads Lead to Albuquerque, er, Rome | 18%(63/349) | May 8, 2026 |
| 2016 | Ink Blots | 16%(64/399) | Mar 26, 2026 |
| 2091 | Zing Zhu's Oyster Farm | 21%(79/366) | Dec 9, 2025 |
| 2087 | Petanque | 31%(86/276) | Dec 9, 2025 |
| 2037 | Roll Playing Games | 13%(106/772) | May 7, 2026 |
| 2073 | Doggone Moles | 33%(113/333) | Jan 7, 2026 |
| 2067 | Young, Poor and Busy | 37%(114/301) | May 20, 2026 |
| 2058 | Word Encoding | 36%(127/346) | Mar 5, 2026 |
| 2061 | Pseudo-random Numbers | 23%(130/553) | Mar 4, 2026 |
| 2098 | Ellipse | 15%(131/865) | May 6, 2026 |
| 2071 | Auctions R Us | 28%(132/459) | Apr 2, 2026 |
| 2026 | As the Crow Flies | 46%(167/357) | Nov 21, 2025 |
| 2011 | Primary X-Subfactor Series | 43%(186/431) | Apr 2, 2026 |
| 2090 | Two-Stacks Solitaire | 22%(194/853) | Dec 9, 2025 |
| 2020 | MisLED | 28%(199/697) | Dec 9, 2025 |
| 2055 | Kid's Problem | 22%(209/922) | Dec 9, 2025 |
| 2035 | Hit or Miss | 35%(212/596) | Sep 6, 2026 |
| 2064 | Pipes | 46%(225/484) | Jun 15, 2026 |
| 2094 | Angry Teacher | 18%(226/1253) | Mar 15, 2026 |
| 2040 | Translations | 34%(229/670) | Mar 21, 2026 |
| 2053 | Square | 21%(254/1175) | Sep 5, 2026 |
| 2022 | Syntax Included | 26%(257/969) | Sep 5, 2026 |
| 2048 | Monster Trap | 24%(270/1107) | Dec 9, 2025 |
| 2052 | Fun Game | 24%(300/1231) | Sep 5, 2026 |
| 2089 | Magic Trick | 52%(322/613) | Aug 29, 2026 |
| 2032 | Square Carpets | 34%(339/983) | Sep 5, 2026 |
| 2088 | Long Night of Museums | 20%(355/1697) | Sep 5, 2026 |
| 2086 | Land Division Tax | 42%(364/854) | Sep 5, 2026 |
| 2066 | Minimax Triangulation | 27%(382/1398) | Aug 29, 2026 |
| 2036 | I Conduit! | 19%(401/2094) | Aug 29, 2026 |
| 2009 | Moo University - Emergency Pizza Order | 22%(406/1825) | Sep 5, 2026 |
| 2043 | Area of Polygons | 38%(439/1131) | Aug 29, 2026 |
| 2045 | Molecular Formula | 49%(470/953) | Mar 20, 2026 |
| 2050 | Searching the Web | 20%(506/2456) | Dec 9, 2025 |
| 2015 | Permutation Code | 45%(563/1249) | Aug 13, 2026 |
| 2005 | Blackjack | 27%(653/2363) | Aug 9, 2026 |
| 2047 | Concert Hall Scheduling | 44%(682/1549) | Aug 10, 2026 |
| 2023 | Choose Your Own Adventure | 40%(788/1935) | Aug 8, 2026 |
| 2030 | The Secret Number | 34%(798/2345) | Aug 8, 2026 |
| 2056 | The Separator in Grid | 31%(906/2912) | Dec 9, 2025 |
| 2003 | Hire and Fire | 28%(914/3203) | Aug 9, 2026 |
| 2059 | Watchdog | 61%(915/1499) | Jun 18, 2026 |
| 2046 | Gap | 46%(1061/2276) | Aug 9, 2026 |
| 2006 | Litmus Test | 49%(1102/2214) | Nov 20, 2025 |
| 2038 | Team Rankings | 49%(1187/2399) | Aug 3, 2026 |
| 2044 | Weather Forecast | 33%(1197/3581) | Aug 9, 2026 |
| 2062 | Card Game Cheater | 50%(1206/2394) | Apr 2, 2026 |
| 2004 | Mix and Build | 30%(1313/4310) | Aug 8, 2026 |
| 2008 | Moo University - Team Tryouts | 29%(1355/4624) | Aug 8, 2026 |
| 2057 | The Lost House | 41%(1398/3354) | Aug 7, 2026 |
| 2042 | Lagrange's Four-Square Theorem | 45%(1434/3155) | Jun 21, 2026 |
| 2041 | Unreliable Message | 59%(1440/2401) | Aug 25, 2026 |
| 2068 | Nim | 55%(1547/2797) | Aug 8, 2026 |
| 2065 | SETI | 61%(1771/2895) | Aug 7, 2026 |
| 2021 | Relative Relatives | 43%(1794/4093) | Jul 26, 2026 |
| 2074 | Line of Sight | 28%(1898/6602) | Sep 2, 2026 |
| 2085 | Inversion | 43%(2096/4802) | Apr 2, 2026 |
| 2034 | Anti-prime Sequences | 45%(2223/4846) | Aug 7, 2026 |
| 2069 | Super Star | 24%(2242/9337) | Aug 31, 2026 |
| 2014 | Flow Layout | 68%(2432/3526) | Apr 13, 2026 |
| 2078 | Matrix | 53%(2657/5009) | Jun 21, 2026 |
| 2075 | Tangled in Cables | 38%(2806/7199) | Jul 23, 2026 |
| 2082 | Terrible Sets | 50%(3337/6553) | Aug 6, 2026 |
| 2028 | When Can We Meet? | 54%(3382/6214) | Apr 2, 2026 |
| 2060 | Taxi Cab Scheme | 40%(3400/8476) | Aug 6, 2026 |
| 2029 | Get Many Persimmon Trees | 64%(3692/5730) | Jun 25, 2026 |
| 2054 | Color a Tree | 33%(3694/10981) | Aug 16, 2026 |
| 2079 | Triangle | 29%(3873/13017) | Sep 4, 2026 |
| 2049 | Finding Nemo | 29%(4000/13628) | Aug 5, 2026 |
| 2033 | Alphacode | 29%(4882/16371) | Jul 27, 2026 |
| 2010 | Moo University - Financial Aid | 29%(4944/16681) | Aug 28, 2026 |
| 2084 | Game of Connections | 47%(4968/10546) | Jun 15, 2026 |
| 2063 | Investment | 34%(5129/14875) | Jul 31, 2026 |
| 2019 | Cornfields | 45%(5477/12003) | Aug 1, 2026 |
| 2070 | Filling Out the Team | 55%(5741/10311) | Dec 9, 2025 |
| 2007 | Scrambled Polygon | 45%(5963/13147) | Sep 3, 2026 |
| 2051 | Argus | 49%(6426/12928) | May 7, 2026 |
| 2080 | Calendar | 34%(6494/19061) | Aug 6, 2026 |
| 2092 | Grandpa is Famous | 44%(6529/14791) | Jul 1, 2026 |
| 2039 | To and Fro | 66%(6657/9955) | Jun 22, 2026 |
| 2096 | Collecting Bugs | 42%(6754/15962) | Aug 30, 2026 |
| 2018 | Best Cow Fences | 30%(7652/24747) | Aug 17, 2026 |
| 2002 | Squares | 37%(9460/24932) | Jun 26, 2026 |
| 2013 | Symmetric Order | 55%(10108/18091) | Aug 23, 2026 |
| 2031 | Building a Space Station | 44%(10202/23169) | Aug 16, 2026 |
| 2081 | Recaman's Sequence | 43%(10662/24443) | Aug 26, 2026 |
| 2083 | Fractal | 38%(12826/33313) | Aug 27, 2026 |
| 2001 | Shortest Prefixes | 40%(13139/32558) | Jul 31, 2026 |
| 2017 | Speed Limit | 67%(16101/23858) | Aug 24, 2026 |
| 2000 | Gold Coins | 60%(16808/27770) | Aug 24, 2026 |
| 2027 | No Brainer | 65%(19441/29680) | Jun 22, 2026 |
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