Volume 15

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Problem Set

Authors

Online Contests

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F.A.Qs
Statistical Charts

Current Contest
Past Contests
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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
2401	Street Polygon	7%(23/291)	2022-5-10
2448	A New Operating System	10%(151/1413)	2024-8-1
2450	A New Kind of Chess	15%(60/379)	2021-10-16
2489	Line Segments	16%(284/1702)	2024-12-1
2438	Children's Dining	17%(887/5128)	2024-10-2
2429	GCD & LCM Inverse	17%(4318/24659)	2025-3-9
2426	Remainder	20%(721/3590)	2024-9-13
2468	Adventures in Moving - Part V	21%(94/447)	2024-7-14
2422	The Wolves and the Sheep	21%(112/529)	2024-9-18
2423	The Parallel Challenge Ballgame	21%(49/229)	2024-9-13
2447	RSA	23%(998/4260)	2023-8-15
2494	Acid Text	24%(236/952)	2024-9-26
2493	Rdeaalbe	24%(491/1980)	2024-1-24
2444	Partition a Matrix	25%(640/2528)	2024-10-28
2482	Stars in Your Window	26%(4952/18562)	2025-3-29
2431	Expedition	27%(10597/38965)	2025-3-30
2476	Game schedule required	27%(244/888)	2024-11-23
2474	European railroad tracks	27%(258/932)	2024-12-30
2452	Sticks Problem	27%(3967/14321)	2024-12-15
2449	Remmarguts' Date	27%(13814/49815)	2025-3-31
2462	Cutting a polygon	28%(264/938)	2024-12-6
2408	Anagram Groups	28%(1970/6961)	2024-8-15
2455	Secret Milking Machine	28%(4083/14170)	2025-3-28
2454	Jersey Politics	29%(2186/7474)	2025-3-31
2445	Squares	29%(343/1145)	2023-5-8
2490	Pimp My Ride	30%(513/1685)	2022-8-12
2479	Maximum sum	30%(16538/53745)	2025-4-1
2446	Chessboard	30%(7252/23505)	2025-2-27
2497	Strategies	30%(1435/4635)	2024-8-16
2464	Brownie Points II	30%(1062/3427)	2025-3-2
2492	A Bug's Life	31%(20325/65264)	2025-3-14
2481	Cows	32%(9760/30426)	2025-3-5
2424	Flo's Restaurant	32%(1002/3100)	2024-11-23
2480	Longge's problem	32%(4670/14337)	2025-2-4
2442	Sequence	32%(5201/15946)	2025-3-30
2410	Simple Computers	32%(742/2259)	2024-8-16
2451	Uyuw's Concert	33%(4807/14269)	2025-3-28
2488	A Knight's Journey	34%(25981/75495)	2025-3-31
2477	Help the problem setter	34%(163/473)	2024-12-2
2486	Apple Tree	34%(5571/16049)	2025-3-14
2471	Bullshit Bingo	34%(705/2029)	2025-1-25
2465	Adventures in Moving - Part IV	34%(904/2592)	2024-2-19
2413	How many Fibs?	34%(4667/13373)	2024-12-14
2428	Surface Reconstruction	35%(69/195)	2024-12-20
2430	Lazy Cows	35%(1208/3369)	2025-3-2
2412	Equidistance	36%(163/452)	2024-9-24
2469	Stack 'em Up	36%(418/1154)	2024-11-20
2473	Decorate the wall	36%(379/1033)	2024-8-13
2443	Set Operation	36%(2681/7271)	2025-3-30
2483	Greatest Common Subtree	36%(188/509)	2024-9-10
2402	Palindrome Numbers	36%(1612/4360)	2025-3-19
2475	Any fool can do it	37%(595/1608)	2023-12-12
2418	Hardwood Species	37%(12617/34059)	2025-3-29
2425	A Chess Game	37%(2267/6046)	2025-3-29
2416	Return of the Jedi	37%(83/221)	2021-10-11
2441	Arrange the Bulls	37%(2779/7381)	2025-3-17
2417	Discrete Logging	37%(4800/12718)	2025-3-28
2420	A Star not a Tree?	37%(5232/13804)	2025-3-15
2440	DNA	38%(1546/3988)	2024-7-16
2434	Waves	38%(223/574)	2022-12-27
2433	Landscaping	38%(517/1329)	2024-7-18
2478	Farey Sequence	39%(10626/27082)	2025-3-29
2439	Disconnect the Orange!?	39%(190/484)	2020-6-21
2419	Forests	39%(2592/6590)	2024-9-21
2432	Around the world	40%(1332/3317)	2023-4-15
2461	Magic Bitstrings	40%(311/774)	2024-8-16
2427	Smith's Problem	40%(405/998)	2024-10-12
2406	Power Strings	40%(33489/82056)	2025-3-18
2458	Rigging the Bovine Election	40%(847/2072)	2024-9-19
2457	Part Acquisition	40%(2501/6108)	2024-10-22
2404	Jogging Trails	41%(1292/3129)	2025-3-3
2499	Binary Tree	41%(4597/10962)	2025-3-16
2437	Muddy roads	42%(2012/4751)	2024-12-6
2472	106 miles to Chicago	42%(2499/5900)	2024-11-27
2467	Snow Clearing	42%(398/935)	2024-7-9
2485	Highways	42%(19538/45625)	2025-3-8
2415	Hike on a Graph	43%(857/1970)	2024-12-10
2463	Bungee Jumping	43%(1065/2426)	2024-9-13
2456	Aggressive cows	44%(21362/48243)	2025-3-31
2421	Constructing Roads	45%(17480/38745)	2025-3-31
2496	Military Recruit	46%(615/1325)	2021-8-30
2487	Stamps	46%(3978/8536)	2025-3-3
2436	Disease Management	46%(2602/5581)	2024-12-24
2466	Pairsumonious Numbers	48%(528/1078)	2025-1-19
2407	Relatives	51%(11050/21484)	2025-3-30
2498	StuPId	52%(3748/7133)	2024-11-22
2411	Mondriaan's Dream	52%(15886/29996)	2025-3-29
2491	Scavenger Hunt	53%(1848/3465)	2024-12-24
2400	Supervisor, Supervisee	53%(2831/5265)	2024-5-1
2459	Feed Accounting	53%(1455/2698)	2025-3-19
2435	Navigating the City	55%(599/1083)	2024-12-25
2453	An Easy Problem	58%(6041/10406)	2025-2-7
2470	Ambiguous permutations	58%(3835/6511)	2024-11-23
2414	Phylogenetic Trees Inherited	60%(381/634)	2024-7-26
2484	A Funny Game	60%(6015/9924)	2025-3-30
2495	Incomplete chess boards	60%(1577/2599)	2024-9-19
2403	Hay Points	62%(4379/7047)	2025-3-18
2460	Brownie Points I	62%(909/1451)	2024-11-28
2405	Beavergnaw	64%(4545/7001)	2025-3-2
2409	Let it Bead	65%(5111/7852)	2025-3-19

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