Volume 11

Online Judge

Problem Set

Authors

Online Contests

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F.A.Qs
Statistical Charts

Current Contest
Past Contests
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ID	Title	Ratio(AC/submit)	Date
2099	Fool's Day	7%(42/579)	2025-5-19
2012	Triangle Cuts	13%(37/283)	2024-9-23
2098	Ellipse	15%(129/854)	2025-5-14
2072	GHOST	15%(38/243)	2024-11-7
2016	Ink Blots	15%(62/393)	2025-3-13
2095	Beth Tableaux	17%(37/211)	2021-12-9
2094	Angry Teacher	18%(225/1248)	2025-5-11
2037	Roll Playing Games	18%(106/582)	2023-4-9
2076	All Roads Lead to Albuquerque, er, Rome	18%(63/344)	2023-2-20
2036	I Conduit!	18%(392/2080)	2024-8-20
2077	Balanced Budget Initiative	19%(49/255)	2025-5-23
2050	Searching the Web	20%(505/2454)	2025-4-18
2088	Long Night of Museums	21%(349/1650)	2024-11-7
2025	Cubic Rube	21%(62/287)	2025-5-12
2053	Square	21%(253/1163)	2025-5-11
2091	Zing Zhu's Oyster Farm	22%(74/331)	2025-5-19
2009	Moo University - Emergency Pizza Order	22%(403/1802)	2025-5-10
2055	Kid's Problem	22%(209/919)	2024-9-9
2090	Two-Stacks Solitaire	22%(191/838)	2024-7-20
2061	Pseudo-random Numbers	23%(130/549)	2024-12-9
2069	Super Star	23%(2228/9296)	2025-5-19
2097	Drawing Windows	24%(26/107)	2023-5-31
2048	Monster Trap	24%(270/1105)	2024-6-1
2052	Fun Game	24%(298/1217)	2025-5-12
2093	Cutting Edge	26%(58/221)	2024-11-11
2022	Syntax Included	26%(254/963)	2024-4-16
2066	Minimax Triangulation	27%(380/1395)	2025-5-19
2005	Blackjack	27%(643/2347)	2024-7-17
2020	MisLED	28%(199/694)	2024-4-15
2003	Hire and Fire	28%(911/3169)	2025-4-19
2074	Line of Sight	28%(1873/6461)	2025-5-18
2071	Auctions R Us	29%(130/446)	2023-2-23
2008	Moo University - Team Tryouts	29%(1349/4609)	2025-5-15
2049	Finding Nemo	29%(3780/12790)	2025-5-31
2010	Moo University - Financial Aid	29%(4923/16614)	2025-5-12
2079	Triangle	29%(3830/12877)	2025-5-10
2033	Alphacode	29%(4863/16338)	2025-5-28
2004	Mix and Build	30%(1305/4293)	2024-8-11
2024	Know When to Hold 'em	30%(52/170)	2025-5-12
2018	Best Cow Fences	30%(7572/24444)	2025-5-27
2056	The Separator in Grid	31%(906/2909)	2024-12-13
2044	Weather Forecast	33%(1194/3547)	2025-5-31
2054	Color a Tree	33%(3665/10879)	2025-6-1
2087	Petanque	33%(81/240)	2024-11-8
2030	The Secret Number	33%(796/2342)	2025-5-23
2080	Calendar	34%(6470/19019)	2025-5-19
2032	Square Carpets	34%(336/978)	2025-5-13
2063	Investment	34%(5112/14846)	2025-5-20
2073	Doggone Moles	34%(113/328)	2023-5-29
2040	Translations	34%(228/660)	2023-5-29
2035	Hit or Miss	35%(211/589)	2022-11-28
2058	Word Encoding	36%(125/340)	2024-12-9
2083	Fractal	37%(12297/32464)	2025-6-1
2002	Squares	37%(9439/24845)	2025-6-1
2067	Young, Poor and Busy	38%(110/288)	2025-5-26
2043	Area of Polygons	38%(437/1127)	2024-11-9
2075	Tangled in Cables	38%(2793/7171)	2023-5-6
2060	Taxi Cab Scheme	39%(3371/8436)	2025-2-5
2001	Shortest Prefixes	40%(13093/32450)	2025-5-11
2023	Choose Your Own Adventure	40%(784/1928)	2025-5-11
2057	The Lost House	41%(1394/3343)	2025-5-14
2086	Land Division Tax	42%(346/805)	2024-9-25
2011	Primary X-Subfactor Series	43%(180/417)	2023-12-4
2092	Grandpa is Famous	43%(6211/14351)	2025-5-30
2085	Inversion	43%(2084/4788)	2025-5-30
2081	Recaman's Sequence	43%(10631/24391)	2025-5-5
2096	Collecting Bugs	43%(6630/15182)	2025-5-31
2031	Building a Space Station	43%(10042/22972)	2025-6-1
2021	Relative Relatives	43%(1784/4078)	2025-4-26
2047	Concert Hall Scheduling	44%(679/1535)	2025-5-13
2015	Permutation Code	45%(557/1236)	2024-12-29
2042	Lagrange's Four-Square Theorem	45%(1419/3137)	2025-5-9
2007	Scrambled Polygon	45%(5941/13102)	2025-3-17
2019	Cornfields	45%(5425/11889)	2025-5-28
2034	Anti-prime Sequences	45%(2208/4821)	2025-5-16
2046	Gap	46%(1060/2272)	2025-3-3
2026	As the Crow Flies	46%(166/355)	2024-9-23
2064	Pipes	47%(224/476)	2024-11-25
2084	Game of Connections	47%(4947/10488)	2025-5-27
2045	Molecular Formula	49%(465/946)	2025-5-8
2038	Team Rankings	49%(1176/2383)	2024-9-13
2051	Argus	49%(6409/12905)	2025-3-6
2006	Litmus Test	49%(1100/2211)	2025-5-8
2062	Card Game Cheater	50%(1195/2380)	2024-10-17
2082	Terrible Sets	50%(3322/6532)	2025-5-29
2089	Magic Trick	52%(300/576)	2023-12-6
2078	Matrix	53%(2652/5003)	2025-5-4
2028	When Can We Meet?	54%(3368/6199)	2025-5-12
2068	Nim	55%(1531/2770)	2025-1-17
2070	Filling Out the Team	55%(5739/10306)	2024-10-28
2013	Symmetric Order	55%(10090/18071)	2025-5-1
2041	Unreliable Message	59%(1431/2386)	2025-5-9
2000	Gold Coins	60%(16699/27611)	2025-5-12
2059	Watchdog	61%(907/1485)	2024-12-21
2065	SETI	61%(1764/2883)	2025-5-22
2029	Get Many Persimmon Trees	64%(3680/5715)	2025-5-16
2027	No Brainer	65%(19408/29633)	2025-5-12
2039	To and Fro	66%(6644/9937)	2025-2-4
2017	Speed Limit	67%(16065/23816)	2025-5-23
2014	Flow Layout	68%(2425/3519)	2025-5-12

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