Volume 25

Online Judge

Problem Set

Authors

Online Contests

User

Web Board
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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
3403	"Bloody Mary"	4%(36/868)	2024-9-14
3464	Approximations	5%(25/487)	2024-9-14
3491	Rotated Sky Charts	7%(35/474)	2024-9-11
3496	Word Hyphenation	9%(13/143)	2019-6-10
3457	Mineshaft	10%(12/112)	2025-2-2
3477	System of Linear Equations	13%(85/615)	2024-10-11
3466	Distance to the Prey	13%(35/251)	2022-3-29
3471	Integral Roots	14%(346/2448)	2025-5-31
3428	Formatting function	14%(340/2359)	2024-9-19
3479	RoBa Has a Second Art Gallery!	14%(84/569)	2025-5-31
3476	A Game with Colored Balls	15%(552/3532)	2025-5-31
3409	Broken line	16%(303/1867)	2024-11-29
3490	Jumping Frogs	16%(46/282)	2025-5-31
3470	Walls	16%(524/3194)	2025-5-31
3424	Better security	18%(354/1866)	2025-5-11
3453	Soccer Tournament	19%(167/848)	2025-5-31
3474	Ellipsoid	20%(25/124)	2025-5-31
3412	Ray	20%(440/2142)	2024-7-30
3418	Quadratic Functions	21%(182/859)	2025-1-17
3447	Calendar of Events	21%(142/658)	2025-5-31
3405	Convex hull	21%(216/988)	2022-9-11
3482	‘JBC’	22%(264/1200)	2025-5-31
3429	Geometry with a ruler	22%(393/1783)	2025-5-5
3473	Stochastic Finite State Automaton	22%(26/115)	2019-12-30
3431	Texture Tile	23%(410/1742)	2024-12-5
3478	Undergraduate Instruction Evaluation	23%(54/226)	2025-5-31
3434	Terrarium	23%(292/1219)	2024-12-19
3441	Vacation Rentals	25%(238/950)	2024-11-17
3499	Containers	25%(464/1831)	2025-2-2
3492	Knapsack II	25%(459/1807)	2025-5-31
3408	The Domino Principle	25%(487/1880)	2025-5-27
3465	Battle	26%(770/2927)	2023-1-24
3417	Network	26%(3682/13889)	2025-5-31
3495	Bitwise XOR of Arithmetic Progression	26%(275/1031)	2025-5-31
3402	Add a queen	27%(288/1042)	2025-5-27
3440	Coin Toss	27%(1630/5896)	2025-2-10
3419	Difference Is Beautiful	28%(951/3330)	2025-2-5
3410	Split convex polygon	28%(198/688)	2025-5-27
3467	Cross Counting	29%(538/1843)	2025-5-31
3413	RPG	29%(571/1947)	2024-7-15
3489	Knapsack I	29%(336/1125)	2024-10-25
3484	Showstopper	30%(1203/3987)	2025-5-31
3472	Holey Square Tiling	30%(306/1012)	2025-5-31
3406	Last digit	30%(1019/3352)	2024-12-12
3497	Assemble	30%(1469/4831)	2025-5-13
3468	A Simple Problem with Integers	30%(65514/214644)	2025-5-29
3443	Team Work	30%(349/1143)	2019-9-25
3487	The Stable Marriage Problem	31%(4271/13716)	2025-5-31
3433	Road Accident	31%(29/93)	2025-5-25
3430	Pizza schedule	31%(155/490)	2024-12-8
3421	X-factor Chains	32%(3952/12344)	2025-5-4
3401	String reduction	32%(488/1518)	2024-9-26
3452	Railway Transportation	32%(502/1561)	2025-5-31
3450	Corporate Identity	32%(3541/10968)	2025-5-31
3415	Common Substrings	33%(5782/17410)	2025-5-15
3494	Largest Submatrix of All 1’s	33%(4214/12401)	2025-5-31
3442	Baseball	34%(117/344)	2020-2-21
3451	Money Money Money, Must Be Funny	34%(181/522)	2025-2-2
3475	Paper-, er, Transcript-Folding Game	34%(831/2384)	2024-7-28
3463	Sightseeing	35%(4668/13226)	2025-5-31
3446	Catch the Bus!	35%(59/166)	2025-3-18
3400	Dropping the stones	35%(714/1999)	2025-5-27
3439	Server Relocation	36%(949/2616)	2021-6-25
3436	ACM Computer Factory	36%(4937/13461)	2025-3-31
3485	Highway	37%(747/2011)	2025-5-31
3455	Cheesy Chess	37%(159/428)	2025-5-31
3461	Oulipo	37%(28226/75792)	2025-5-27
3411	Paid Roads	37%(3674/9715)	2025-5-27
3486	Computers	37%(1086/2867)	2025-5-12
3462	Lucky Light	38%(426/1121)	2025-5-29
3426	Doors and... more doors	38%(190/496)	2022-7-23
3449	Geometric Shapes	39%(1112/2814)	2025-5-31
3414	Pots	39%(16054/40136)	2025-5-29
3422	Kaka's Matrix Travels	41%(5024/12241)	2025-3-10
3404	Bridge over a rough river	41%(1852/4498)	2024-8-11
3481	Double Queue	42%(10583/25064)	2025-5-31
3469	Dual Core CPU	42%(12685/30001)	2025-5-31
3459	Projects	43%(438/1017)	2025-5-31
3437	Tree Grafting	43%(1506/3424)	2024-11-12
3435	Sudoku Checker	44%(870/1973)	2023-8-2
3432	Count Squares	44%(1385/3121)	2024-7-30
3420	Quad Tiling	44%(2629/5910)	2025-5-10
3460	Booksort	45%(1542/3409)	2025-5-10
3416	Crossing	45%(907/2004)	2024-11-6
3498	March of the Penguins	46%(2743/5940)	2025-5-31
3425	Customer support	46%(1353/2912)	2024-8-11
3448	Roman Expressions	46%(265/565)	2025-5-31
3407	Brookebond s'en va en guerre...	47%(872/1851)	2023-5-15
3493	Chessboard Puzzle	47%(280/589)	2025-5-31
3480	John	49%(2023/4084)	2025-5-31
3456	Frobenius	49%(533/1076)	2025-5-31
3427	Ecology tax	52%(2533/4785)	2024-9-17
3423	Automaton optimization	53%(350/660)	2024-10-30
3483	Loan Scheduling	54%(483/887)	2025-5-31
3445	Elementary Additions	54%(1431/2626)	2025-5-31
3488	Arne Saknussemm	54%(776/1423)	2024-11-18
3454	Hypertheseus	56%(184/328)	2025-5-31
3458	Colour Sequence	59%(844/1419)	2025-5-31
3438	Look and Say	60%(5970/9848)	2025-5-11
3444	Wavelet Compression	64%(1539/2383)	2025-2-6

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