Volume 13

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Problem Set

Authors

Online Contests

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Web Board
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F.A.Qs
Statistical Charts

Current Contest
Past Contests
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Award Contest

Volume 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Language:

ID	Title	Ratio(AC/submit)	Date
2207	Intuitionistic Logic	10%(66/604)	2022-4-14
2294	Unfoldung	13%(50/373)	2021-8-27
2277	Region Filling	15%(70/462)	2025-3-2
2237	Can 1 Marine win 2 Zerglings?	16%(84/519)	2024-9-26
2235	Triangularize the Convex Hull	16%(69/417)	2023-10-18
2202	Strange Graph	18%(164/885)	2024-4-15
2281	Link and Pop -- the Block Game	21%(173/795)	2024-12-23
2274	The Race	22%(1248/5623)	2024-7-23
2298	Great Circle	24%(91/377)	2021-9-30
2224	Missing Piece 2001	24%(63/260)	2024-4-28
2290	House Numbers	24%(262/1069)	2024-11-19
2223	Get Out 'Da Way!	25%(59/233)	2024-4-26
2219	Manifest Destiny	25%(71/276)	2024-4-24
2216	Roulette	25%(69/267)	2024-7-22
2204	Commuter train	26%(139/532)	2023-1-10
2283	Different Digits	26%(773/2932)	2024-11-6
2288	Islands and Bridges	26%(4167/15645)	2025-2-7
2278	Histology Assistant	27%(61/225)	2025-3-3
2233	GAME AGAIN!	27%(171/623)	2024-11-10
2238	Computer Basketball Game	28%(167/578)	2022-10-22
2259	Team Queue	29%(4601/15834)	2025-3-17
2222	Deeper Blue	29%(201/676)	2024-12-30
2253	Frogger	29%(29328/98539)	2025-3-16
2231	Moo Volume	29%(7722/25795)	2024-12-30
2249	Binomial Showdown	30%(7570/25003)	2025-3-16
2267	From Dusk till Dawn or: Vladimir the Vampire	30%(551/1798)	2024-2-17
2295	A DP Problem	30%(1185/3844)	2024-7-15
2205	Self-Replicating Numbers	31%(257/827)	2023-10-20
2287	Tian Ji -- The Horse Racing	31%(7275/23271)	2025-3-31
2279	Mr. Young's Picture Permutations	31%(1911/6074)	2025-3-4
2293	Hey, Pay Day!	31%(43/136)	2021-8-27
2284	That Nice Euler Circuit	31%(750/2359)	2024-11-30
2271	HTML	31%(2886/9077)	2024-8-12
2210	Metric Time	31%(950/2976)	2025-2-10
2254	Globetrotter	31%(523/1637)	2024-7-24
2208	Pyramids	32%(1244/3815)	2024-12-11
2266	Quadtree	33%(349/1033)	2022-4-29
2296	Map Labeler	33%(854/2522)	2025-2-21
2251	Dungeon Master	33%(33554/98940)	2025-3-31
2286	The Rotation Game	34%(2940/8536)	2025-3-14
2206	Magic Multiplying Machine	34%(293/846)	2024-11-23
2289	Jamie's Contact Groups	34%(3476/10016)	2025-3-7
2280	Amphiphilic Carbon Molecules	35%(626/1773)	2024-11-11
2297	Balanced Chemical Equations	35%(100/279)	2022-11-12
2229	Sumsets	35%(13247/36856)	2025-3-17
2226	Muddy Fields	36%(5644/15362)	2025-3-28
2262	Goldbach's Conjecture	36%(22516/60937)	2025-3-16
2299	Ultra-QuickSort	37%(37704/101018)	2025-3-31
2225	Asteroids!	37%(1346/3582)	2024-8-18
2217	Secretary	38%(962/2517)	2025-1-1
2212	Cavern	38%(113/290)	2024-7-16
2236	Wireless Network	39%(27229/68964)	2025-3-30
2228	Naptime	39%(3111/7782)	2024-12-11
2240	Arbitrage	40%(15675/38810)	2025-3-30
2232	New Stone-Forfex-Cloth Game	40%(622/1528)	2024-4-2
2201	Cartesian Tree	41%(2051/4918)	2024-10-25
2200	A Card Trick	41%(370/884)	2024-9-18
2250	Compromise	42%(4583/10811)	2025-3-1
2230	Watchcow	42%(5392/12592)	2024-12-31
2203	Patience	43%(90/209)	2022-8-19
2269	Friends	43%(691/1595)	2025-3-14
2285	The Floor Bricks	43%(218/497)	2024-11-24
2239	Selecting Courses	44%(5784/13077)	2025-3-9
2227	The Wedding Juicer	44%(1905/4270)	2025-3-16
2275	Flipping Pancake	44%(747/1661)	2025-1-29
2256	Artificial Intelligence?	45%(733/1618)	2025-1-5
2218	Does This Make Me Look Fat?	45%(1393/3072)	2025-3-14
2247	Humble Numbers	45%(5534/12157)	2025-2-7
2292	Optimal Keypad	46%(407/868)	2024-12-9
2257	Balancing Bank Accounts	46%(513/1093)	2024-9-21
2270	Quadtree II or: Florida Jones strikes back	47%(208/437)	2021-8-27
2252	Equation Solver	47%(399/838)	2024-6-12
2272	Bullseye	47%(2948/6144)	2025-3-4
2248	Addition Chains	48%(4503/9230)	2025-3-17
2264	Advanced Fruits	48%(1542/3160)	2024-12-25
2282	The Counting Problem	49%(3077/6240)	2025-2-23
2221	Frogger's For Dinner	49%(101/204)	2024-7-19
2263	Heavy Cargo	50%(2836/5650)	2024-10-15
2268	Euro Cup 2000	50%(129/254)	2021-7-30
2214	Regions	51%(146/285)	2024-8-11
2209	The King	52%(4430/8370)	2024-9-12
2243	Knight Moves	53%(9933/18559)	2025-3-30
2241	The Tower of Babylon	54%(1632/3006)	2025-3-31
2242	The Circumference of the Circle	55%(6835/12299)	2025-3-31
2276	Model Rocket Height	55%(463/830)	2024-11-23
2213	Code	55%(153/274)	2024-7-26
2220	Treasure Hunters	56%(200/355)	2024-7-25
2234	Matches Game	57%(8743/15324)	2025-3-16
2246	Matrix Chain Multiplication	57%(1927/3338)	2024-12-12
2260	Error Correction	57%(5207/8984)	2025-3-14
2261	France '98	58%(795/1349)	2025-1-12
2255	Tree Recovery	59%(13975/23464)	2025-3-9
2258	The Settlers of Catan	61%(1349/2189)	2025-3-11
2215	Parliament	62%(847/1362)	2025-2-4
2245	Lotto	62%(4704/7531)	2025-3-7
2265	Bee Maja	62%(756/1209)	2024-8-17
2273	An Excel-lent Problem	63%(1248/1955)	2025-3-4
2291	Rotten Ropes	64%(3601/5549)	2024-8-16
2211	Photograph	65%(286/435)	2024-12-26
2244	Eeny Meeny Moo	67%(3008/4469)	2025-3-18

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