Volume 4

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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
1300	Door Man	42%(1781/4158)	2024-10-29
1301	The Umbrella Problem: 2054	34%(147/429)	2024-11-11
1302	Blue Gene, Jr.	59%(433/727)	2024-8-9
1303	Byte Me!	35%(125/349)	2024-7-20
1304	World's Worst Bus Schedule	33%(310/916)	2024-7-26
1305	Fermat vs. Pythagoras	56%(1128/1999)	2024-11-10
1306	Combinations	44%(5764/12834)	2024-10-4
1307	Mapping the Route	35%(242/678)	2024-7-17
1308	Is It A Tree?	31%(17232/55117)	2024-11-21
1309	Coconuts, Revisited	40%(923/2254)	2024-8-19
1310	Nonstop Travel	32%(193/592)	2024-9-10
1311	Doing Windows	27%(131/471)	2024-10-26
1312	Numerically Speaking	52%(726/1382)	2024-9-11
1313	Booklet Printing	50%(1239/2453)	2024-9-24
1314	Finding Rectangles	37%(735/1978)	2023-10-3
1315	Don't Get Rooked	62%(1984/3159)	2024-10-12
1316	Self Numbers	55%(14910/26985)	2024-11-15
1317	Do the Untwist	59%(2263/3774)	2024-9-11
1318	Word Amalgamation	47%(5357/11334)	2024-11-16
1319	Pipe Fitters	45%(861/1900)	2024-11-10
1320	Street Numbers	54%(1863/3409)	2024-9-20
1321	棋盘问题	44%(59399/133092)	2024-11-20
1322	Chocolate	26%(3505/13395)	2024-11-9
1323	Game Prediction	47%(6209/12987)	2024-9-13
1324	Holedox Moving	24%(5524/22333)	2024-4-22
1325	Machine Schedule	40%(8862/21731)	2024-11-15
1326	Mileage Bank	41%(6347/15221)	2024-8-15
1327	Moving Object Recognition	56%(347/609)	2024-8-11
1328	Radar Installation	22%(39281/172677)	2024-11-19
1329	Circle Through Three Points	38%(1957/5024)	2024-11-15
1330	Nearest Common Ancestors	47%(22766/47731)	2024-11-16
1331	Multiply	51%(3269/6330)	2024-11-5
1332	Finding Liars	42%(719/1704)	2024-8-2
1333	Christmas Gifts	27%(64/237)	2023-4-27
1334	Two Mountaineers	39%(184/468)	2024-7-29
1335	Digital Onion	26%(143/530)	2024-7-16
1336	The K-League	35%(319/901)	2024-3-9
1337	A Lazy Worker	34%(467/1357)	2024-8-14
1338	Ugly Numbers	41%(13537/32303)	2024-11-21
1339	poker card game	34%(372/1072)	2024-8-17
1340	The Longest Detour Problem	33%(231/695)	2022-1-25
1341	The Strongest Subchains	22%(180/817)	2024-10-23
1342	Tag Trees	26%(116/430)	2023-2-7
1343	Rooted Trees Isomorphism	26%(176/652)	2023-10-5
1344	Tree Size Problem	54%(282/522)	2022-5-29
1345	Address Recovery	5%(8/153)	2023-10-6
1346	Board of Directors Meeting	14%(19/134)	2022-8-13
1347	Triangle	18%(75/402)	2024-9-24
1348	Computing	15%(306/1928)	2024-9-16
1349	Coding of Permutations	41%(445/1083)	2024-9-16
1350	Cabric Number Problem	30%(3701/12131)	2024-9-20
1351	Number of Locks	48%(836/1714)	2024-9-27
1352	Quantity of White Mice	28%(166/579)	2024-9-19
1353	Color Change of Go Game Pieces	60%(356/590)	2023-6-12
1354	Placement of Keys	51%(919/1795)	2024-9-23
1355	Selecting the Optimal Teaching Fiends	14%(170/1179)	2024-7-22
1356	Grandpa's Other Estate	44%(273/609)	2024-7-31
1357	Afshung Pizza Delivery	32%(61/188)	2024-7-29
1358	Housing Complexes	36%(146/404)	2024-9-23
1359	Spacecraft Malfunction	35%(183/518)	2024-8-1
1360	Blue x Red = Bang	9%(29/305)	2022-9-1
1361	JaWs	15%(31/201)	2022-8-28
1362	Skew Binary	54%(404/735)	2024-7-25
1363	Rails	37%(19624/52435)	2024-11-20
1364	King	34%(5846/17160)	2024-10-17
1365	Prime Land	43%(2539/5778)	2024-8-10
1366	Word	26%(250/953)	2024-8-12
1367	Time	27%(188/694)	2024-10-28
1368	Puzzle	19%(157/791)	2024-8-16
1369	Append	24%(129/536)	2024-7-26
1370	Gossiping	34%(199/572)	2022-2-1
1371	Tin Cutter	33%(289/864)	2022-2-2
1372	FORCAL	23%(97/410)	2023-3-4
1373	L-system	12%(150/1172)	2024-9-20
1374	Crosswords	30%(177/585)	2022-2-2
1375	Intervals	29%(1585/5296)	2024-11-13
1376	Robot	33%(3520/10665)	2024-11-20
1377	Good Approximation Problem	22%(238/1065)	2024-8-1
1378	Power Cable Problem	44%(189/424)	2024-7-13
1379	Run Away	28%(3507/12097)	2024-11-9
1380	Equipment Box	26%(1190/4484)	2024-9-18
1381	Secret Code	32%(298/904)	2024-8-18
1382	The Proper Key	35%(235/669)	2024-9-11
1383	Labyrinth	35%(2373/6683)	2024-11-15
1384	Piggy-Bank	49%(9717/19606)	2024-11-11
1385	Lifting the Stone	31%(1376/4400)	2024-11-14
1386	Play on Words	32%(5850/18066)	2024-10-29
1387	The Constraint Densest Submatrix	23%(273/1150)	2022-12-8
1388	Hinge Node Problem	61%(345/563)	2024-9-23
1389	Area of Simple Polygons	51%(2094/4061)	2023-6-3
1390	Blocks	40%(3245/7977)	2024-11-7
1391	Erdos Numbers	25%(455/1778)	2024-9-11
1392	Ouroboros Snake	50%(812/1612)	2024-10-29
1393	Fold-up Patterns	25%(39/155)	2022-1-17
1394	Railroad	30%(413/1351)	2024-7-27
1395	Cog-Wheels	12%(282/2348)	2024-9-11
1396	Simple Arithmetics	23%(550/2373)	2024-9-18
1397	The Bulk	39%(95/239)	2024-10-28
1398	Complete the sequence!	48%(555/1137)	2024-10-17
1399	Direct Visibility	41%(159/383)	2024-10-17

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