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Search: IN   Find problems that your team haven't solved
IDTitleRatio(AC/submit) Date
2000Gold Coins60%(16784/27730)Jan 8, 2026
2001Shortest Prefixes40%(13116/32524)Jan 30, 2026
2002Squares37%(9450/24910)Feb 4, 2026
2003Hire and Fire28%(913/3201)Dec 17, 2025
2004Mix and Build30%(1306/4297)Jan 8, 2026
2005Blackjack27%(646/2356)Jan 8, 2026
2006Litmus Test49%(1102/2214)Nov 20, 2025
2007Scrambled Polygon45%(5953/13128)Nov 20, 2025
2008Moo University - Team Tryouts29%(1349/4613)Dec 9, 2025
2009Moo University - Emergency Pizza Order22%(403/1809)Feb 4, 2026
2010Moo University - Financial Aid29%(4930/16634)Jan 8, 2026
2011Primary X-Subfactor Series43%(183/424)Jan 8, 2026
2012Triangle Cuts12%(37/287)Dec 9, 2025
2013Symmetric Order55%(10095/18077)Feb 26, 2026
2014Flow Layout68%(2431/3525)Nov 20, 2025
2015Permutation Code45%(559/1241)Feb 26, 2026
2016Ink Blots16%(64/397)Dec 9, 2025
2017Speed Limit67%(16083/23838)Feb 26, 2026
2018Best Cow Fences30%(7623/24664)Feb 26, 2026
2019Cornfields45%(5458/11977)Feb 25, 2026
2020MisLED28%(199/697)Dec 9, 2025
2021Relative Relatives43%(1786/4080)Nov 21, 2025
2022Syntax Included26%(256/968)Dec 9, 2025
2023Choose Your Own Adventure40%(786/1930)Nov 20, 2025
2024Know When to Hold 'em30%(52/173)Dec 9, 2025
2025Cubic Rube21%(62/290)Dec 9, 2025
2026As the Crow Flies46%(167/357)Nov 21, 2025
2027No Brainer65%(19425/29663)Feb 1, 2026
2028When Can We Meet?54%(3372/6203)Nov 20, 2025
2029Get Many Persimmon Trees64%(3687/5722)Jan 28, 2026
2030The Secret Number34%(797/2344)Nov 21, 2025
2031Building a Space Station43%(10062/23016)Feb 3, 2026
2032Square Carpets34%(338/981)Nov 21, 2025
2033Alphacode29%(4868/16356)Jan 19, 2026
2034Anti-prime Sequences45%(2215/4835)Jan 8, 2026
2035Hit or Miss35%(211/594)Jan 8, 2026
2036I Conduit!18%(395/2084)Nov 21, 2025
2037Roll Playing Games13%(106/764)Dec 1, 2025
2038Team Rankings49%(1178/2385)Nov 20, 2025
2039To and Fro66%(6647/9942)Jan 7, 2026
2040Translations34%(228/665)Dec 1, 2025
2041Unreliable Message60%(1437/2394)Jan 8, 2026
2042Lagrange's Four-Square Theorem45%(1423/3143)Jan 9, 2026
2043Area of Polygons38%(438/1130)Dec 9, 2025
2044Weather Forecast33%(1196/3580)Dec 9, 2025
2045Molecular Formula49%(469/950)Nov 20, 2025
2046Gap46%(1060/2275)Dec 9, 2025
2047Concert Hall Scheduling44%(679/1541)Jan 8, 2026
2048Monster Trap24%(270/1107)Dec 9, 2025
2049Finding Nemo30%(3924/13018)Feb 4, 2026
2050Searching the Web20%(506/2456)Dec 9, 2025
2051Argus49%(6412/12910)Nov 21, 2025
2052Fun Game24%(299/1230)Dec 9, 2025
2053Square21%(253/1167)Dec 9, 2025
2054Color a Tree33%(3677/10945)Jan 29, 2026
2055Kid's Problem22%(209/922)Dec 9, 2025
2056The Separator in Grid31%(906/2912)Dec 9, 2025
2057The Lost House41%(1395/3351)Dec 9, 2025
2058Word Encoding37%(127/342)Nov 21, 2025
2059Watchdog61%(909/1487)Nov 20, 2025
2060Taxi Cab Scheme39%(3381/8453)Nov 20, 2025
2061Pseudo-random Numbers23%(130/552)Dec 9, 2025
2062Card Game Cheater50%(1197/2382)Nov 21, 2025
2063Investment34%(5118/14853)Jan 8, 2026
2064Pipes46%(225/482)Feb 25, 2026
2065SETI61%(1768/2891)Jan 8, 2026
2066Minimax Triangulation27%(381/1397)Nov 21, 2025
2067Young, Poor and Busy38%(113/294)Jan 7, 2026
2068Nim55%(1537/2782)Jan 8, 2026
2069Super Star23%(2231/9319)Jan 23, 2026
2070Filling Out the Team55%(5741/10311)Dec 9, 2025
2071Auctions R Us28%(130/452)Jan 8, 2026
2072GHOST15%(38/246)Dec 9, 2025
2073Doggone Moles33%(113/333)Jan 7, 2026
2074Line of Sight28%(1882/6558)Dec 14, 2025
2075Tangled in Cables38%(2798/7186)Jan 7, 2026
2076All Roads Lead to Albuquerque, er, Rome18%(63/346)Dec 9, 2025
2077Balanced Budget Initiative19%(49/257)Dec 1, 2025
2078Matrix53%(2653/5005)Nov 20, 2025
2079Triangle29%(3844/12957)Jan 8, 2026
2080Calendar34%(6480/19039)Feb 27, 2026
2081Recaman's Sequence43%(10634/24395)Dec 10, 2025
2082Terrible Sets50%(3329/6541)Jan 23, 2026
2083Fractal37%(12344/32594)Feb 26, 2026
2084Game of Connections47%(4959/10532)Jan 5, 2026
2085Inversion43%(2087/4791)Nov 20, 2025
2086Land Division Tax42%(362/852)Nov 21, 2025
2087Petanque31%(86/276)Dec 9, 2025
2088Long Night of Museums20%(354/1686)Jan 7, 2026
2089Magic Trick52%(314/601)Jan 8, 2026
2090Two-Stacks Solitaire22%(194/853)Dec 9, 2025
2091Zing Zhu's Oyster Farm21%(79/366)Dec 9, 2025
2092Grandpa is Famous43%(6238/14406)Nov 20, 2025
2093Cutting Edge24%(58/233)Dec 9, 2025
2094Angry Teacher17%(225/1252)Feb 2, 2026
2095Beth Tableaux17%(37/213)Dec 9, 2025
2096Collecting Bugs43%(6749/15555)Feb 26, 2026
2097Drawing Windows23%(26/112)Jan 8, 2026
2098Ellipse15%(130/858)Jan 8, 2026
2099Fool's Day7%(42/584)Jan 8, 2026

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