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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

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Search: IN   Find problems that your team haven't solved
IDTitleRatio(AC/submit) Date
3582Last Hit1%(8/631)2023-5-14
3563Parabolic teleports6%(13/208)2021-10-20
3591Ants and Aphides8%(30/367)2020-12-19
3577Global Positioning System8%(106/1295)2024-1-29
3586The missionaries and cannibals9%(90/907)2022-10-24
3559Trigonometric optimization10%(53/519)2021-10-15
3578Card Game11%(83/703)2024-1-12
3516Johnny Hates Math12%(440/3599)2022-2-21
3534Escape of Life and Death12%(321/2557)2021-6-8
3549GSM phone12%(53/417)2021-7-25
3583Text Message Formatting13%(140/1017)2023-9-18
3575Kingdom Partitioning14%(40/277)2024-1-11
3564Magic pyramid15%(30/195)2021-10-11
3545K’ak’-u-pakal and Mayan Script15%(28/181)2022-7-21
3530A Modular Arithmetic Challenge15%(317/2028)2023-12-4
3540Formula16%(22/132)2023-10-13
3527Generalized Connect Four17%(121/681)2022-4-22
3587The Biggest Cake17%(619/3483)2023-5-26
3560Supersquare18%(38/211)2021-10-13
3531Alternating Sum of Digits18%(46/253)2023-4-24
3569Equation18%(130/691)2023-12-29
3504Obfuscation19%(595/3110)2022-12-30
3551Putin-chess19%(28/146)2021-3-26
3584Small Polynomial Factorization20%(64/317)2019-3-27
3570Fund Management20%(157/773)2023-6-17
3502Flight Safety20%(174/851)2022-11-10
3514The Writers' Club20%(186/890)2024-2-17
3513Let's Go to the Movies21%(593/2810)2024-2-14
3511Fermat's Christmas Theorem21%(1887/8923)2024-2-6
3541Given a string…21%(418/1949)2022-7-28
3555Cocktail21%(104/484)2021-10-16
3585Accumulation Degree21%(2533/11615)2024-2-20
3512Incidental Points22%(1186/5286)2024-2-12
3592Instantaneous Transference22%(1814/8063)2022-4-26
3598PopKart22%(244/1081)2020-12-14
3581Sequence22%(2399/10547)2024-2-7
3523The Morning after Halloween23%(804/3470)2023-11-23
3529Matrix Analysis23%(39/168)2022-12-6
3520Lowest Pyramid23%(87/374)2022-12-6
3542History of Football23%(277/1186)2022-8-4
3556Increasing subsequences24%(72/298)2021-10-17
3573I18n24%(358/1473)2022-12-5
3538Domestic Networks25%(284/1131)2024-2-13
3552Snatch!25%(69/270)2021-11-6
3554Almost the shortest route25%(349/1364)2021-3-27
3500Youth Hostel Dorm25%(114/443)2022-10-17
3588The Downloading Task25%(368/1424)2022-2-25
3547Cube evolvent26%(104/389)2023-5-7
3557Map Generator26%(471/1760)2022-4-25
3501Escape from Enemy Territory26%(839/3131)2023-7-19
3576Language Recognition26%(538/2001)2022-12-14
3594Escort of Dr. Who How27%(788/2903)2023-5-5
3571Game27%(116/427)2022-12-22
3510A Tale from the Dark Side of the Moon27%(937/3380)2024-1-31
3593Sea Base Exploration27%(450/1620)2021-7-23
3539Elevator28%(515/1836)2023-9-21
3508Hide That Number28%(1991/7083)2024-2-5
3596Illuminated Planet28%(97/343)2020-5-2
3515Moving Sticks28%(78/269)2022-9-7
3526The Teacher’s Side of Math29%(248/831)2023-11-13
3506Walk29%(154/515)2023-5-10
3580SuperMemo30%(7282/24272)2024-2-20
3548Restoring the digits31%(192/619)2023-2-21
3544Journey with Pigs31%(1094/3483)2023-11-1
3567Cactus Reloaded32%(416/1289)2023-10-25
3565Ants32%(3121/9639)2024-1-26
3532Resistance33%(500/1513)2023-11-13
3590The shuffle Problem33%(870/2607)2022-5-6
3579Median33%(8490/25318)2024-2-17
3562“Roman” corridor34%(185/542)2023-9-17
3550AT – sequence34%(281/820)2021-2-20
3546Sea battle34%(477/1377)2021-6-8
3503Summits35%(474/1350)2022-11-16
3595Full Steiner Topologies35%(261/734)2022-3-15
3599Pumping Lemma37%(114/303)2020-3-2
3537Crosses and Crosses38%(2145/5639)2024-1-22
3509Rotating Rings38%(803/2069)2024-2-6
3536Beer Refrigerator39%(2319/5893)2023-5-6
3521Geometric Map39%(157/398)2024-1-5
3561Pseudographical recognizer40%(992/2438)2023-6-5
3535A+B40%(403/986)2023-12-1
3525Most Distant Point from the Sea43%(3288/7619)2024-2-17
3558Map Generator returns (MG-II)44%(138/311)2021-10-18
3543iChess44%(1179/2655)2022-7-31
3566Building for UN44%(910/2049)2023-6-1
3524Bug Hunt46%(398/853)2023-6-5
3507Judging Olympia47%(4308/9155)2024-1-31
3528Ultimate Weapon47%(1271/2678)2023-8-10
3572Hanoi Towers49%(373/759)2023-12-29
3568Diver49%(81/163)2023-8-19
3574Japanese Writing50%(118/235)2023-3-2
3522Slim Span52%(6111/11605)2024-2-20
3597Polygon Division53%(761/1427)2023-3-2
3517And Then There Was One55%(3451/6256)2023-11-26
3518Prime Gap56%(7001/12451)2024-1-14
3519Minimal Backgammon57%(768/1343)2022-9-15
3553Task schedule59%(464/781)2023-1-19
3533Light Switching Game59%(396/664)2023-10-28
3505Tower Parking61%(1222/2001)2023-9-20
3589Number-guessing Game71%(5414/7601)2023-9-7

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