Volume 5

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Problem Set

Authors

Online Contests

User

Web Board
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F.A.Qs
Statistical Charts

Current Contest
Past Contests
Scheduled Contests
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
1479	MBone	25%(38/149)	2025-5-21
1452	Signal Box	18%(28/150)	2025-5-23
1499	Supercomputer Selection, The Sequel	26%(46/171)	2024-12-10
1467	Symbolic Derivation	42%(74/176)	2025-5-17
1427	Get Them All	31%(60/193)	2021-8-11
1439	Rhombs	39%(79/202)	2021-10-30
1483	Going in Circles on Alpha Centauri	22%(46/208)	2024-4-27
1449	Enigma	39%(87/221)	2022-12-7
1445	Random number	17%(42/236)	2024-1-5
1447	Ambiguous Dates	26%(64/246)	2023-4-4
1498	Matching Meetings	19%(53/275)	2025-5-23
1497	Molecules	43%(122/281)	2025-5-26
1425	Enigmatic Travel	49%(138/281)	2024-12-25
1431	Calendar of Maya	35%(101/287)	2025-5-19
1413	GIGA Universe Cup	22%(66/290)	2024-8-12
1428	Hermes' Colony	12%(42/329)	2025-5-9
1443	DEL command	23%(77/330)	2024-7-29
1435	Gates	44%(149/333)	2023-5-5
1490	Cabinets	19%(70/360)	2024-11-6
1448	Cube	30%(120/388)	2024-4-29
1424	Diamonds	22%(86/390)	2021-8-26
1464	Company	11%(49/427)	2025-5-23
1441	Table	19%(85/430)	2025-5-4
1421	Peter's Calculator	20%(92/449)	2024-12-19
1494	Sunrise	36%(170/467)	2024-11-12
1440	Varacious Steve	48%(230/477)	2024-7-19
1407	e-Market	31%(155/488)	2025-5-13
1412	Equals are Equals	18%(92/506)	2020-9-11
1433	Exchanges	48%(254/528)	2024-10-18
1461	Binary Polynomials	36%(194/529)	2024-9-13
1495	LED Test	33%(182/539)	2024-7-31
1446	Moscow Time	22%(150/670)	2024-8-15
1415	Map of Ninja House	29%(199/673)	2024-2-22
1478	Island of Logic	33%(227/676)	2025-5-21
1437	Chat Rooms	15%(105/688)	2025-5-8
1457	Lord of the Ring	28%(203/701)	2024-8-19
1492	Up and Down Sequences	56%(447/798)	2025-5-28
1476	Always On the Run	51%(412/799)	2025-5-21
1453	Delta Encoding and Decoding	28%(229/801)	2023-4-5
1403	Hotline	21%(178/838)	2025-3-16
1444	Parallelepiped walk	23%(212/903)	2024-8-10
1462	Random Walk	20%(191/914)	2022-5-31
1409	77377	36%(359/990)	2025-5-12
1420	Spreadsheet	46%(475/1031)	2025-5-25
1460	Firefighters	31%(359/1148)	2025-5-16
1438	One-way Traffic	32%(383/1184)	2025-5-8
1414	Life Line	67%(817/1217)	2025-3-13
1429	Alice and Bob	24%(294/1220)	2024-7-29
1489	Egyptian Multiplication	29%(386/1310)	2025-5-21
1418	Viva Confetti	40%(555/1383)	2025-5-6
1480	Optimal Programs	34%(546/1572)	2025-5-21
1406	Starship Hakodate-maru	59%(976/1628)	2025-5-15
1482	It's not a Bug, It's a Feature!	39%(663/1689)	2025-5-21
1481	The Die Is Cast	37%(695/1856)	2025-5-21
1432	Decoding Morse Sequences	39%(744/1881)	2024-10-17
1487	Single-Player Games	26%(515/1926)	2025-2-9
1400	Complicated Expressions	30%(618/2033)	2025-5-13
1430	Binary Stirling Numbers	40%(903/2245)	2025-5-19
1473	There's Treasure Everywhere!	43%(975/2261)	2025-5-27
1471	Triangles	36%(844/2318)	2025-5-21
1402	The Game of Master-Mind	4%(102/2535)	2025-4-29
1408	Fishnet	58%(1731/2953)	2024-12-27
1454	Factorial Frequencies	42%(1265/2966)	2025-5-13
1472	Instant Complexity	32%(1022/3130)	2025-5-21
1468	Rectangles	50%(1849/3629)	2025-5-17
1485	Fast Food	38%(1528/3944)	2025-5-21
1493	Machined Surfaces	59%(2563/4305)	2025-5-26
1434	Fill the Cisterns!	32%(1482/4522)	2024-7-28
1404	I-Keyboard	48%(2204/4561)	2025-5-5
1484	Blowing Fuses	38%(1751/4594)	2025-5-21
1491	Pi	54%(2876/5277)	2025-5-26
1451	T9	33%(1846/5455)	2025-5-13
1474	Video Surveillance	42%(2502/5820)	2025-5-21
1496	Word Index	54%(3255/5923)	2025-5-30
1486	Sorting Slides	37%(2431/6482)	2025-5-12
1436	Horizontally Visible Segments	35%(2452/6840)	2025-5-24
1419	Graph Coloring	45%(3424/7494)	2024-9-23
1455	Crazy tea party	67%(5353/7927)	2024-12-16
1405	Heritage	37%(2996/8005)	2025-5-20
1416	Shredding Company	52%(4612/8795)	2025-4-30
1465	Multiple	21%(2061/9399)	2025-5-3
1450	Gridland	47%(5008/10560)	2025-5-13
1422	Air Raid	58%(6661/11325)	2025-5-30
1475	Pushing Boxes	33%(3958/11722)	2025-5-31
1417	True Liars	31%(3647/11740)	2025-3-12
1488	TEX Quotes	50%(6744/13263)	2025-5-29
1411	Calling Extraterrestrial Intelligence Again	35%(5018/14152)	2025-5-19
1466	Girls and Boys	45%(7099/15682)	2025-5-30
1463	Strategic game	42%(6990/16507)	2025-5-13
1401	Factorial	59%(11247/18748)	2025-5-12
1442	Black Box	39%(8745/22009)	2025-5-30
1410	Intersection	24%(5600/22433)	2025-5-21
1477	Box of Bricks	37%(10188/27433)	2025-5-21
1470	Closest Common Ancestors	29%(8685/28996)	2025-5-27
1423	Big Number	30%(9766/31909)	2025-5-25
1469	COURSES	37%(12325/32659)	2025-5-31
1456	Supermarket	42%(14085/33246)	2025-5-23
1459	Power Network	50%(17617/34605)	2025-5-30
1426	Find The Multiple	37%(31470/82899)	2025-5-30
1458	Common Subsequence	42%(38123/89569)	2025-5-31

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