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IDTitleRatio(AC/submit) Date
3403"Bloody Mary"3%(28/790)2019-8-19
3464Approximations5%(24/435)2019-3-27
3491Rotated Sky Charts5%(25/449)2019-3-27
3496Word Hyphenation9%(13/143)2019-6-10
3457Mineshaft10%(11/105)2019-3-27
3466Distance to the Prey14%(34/242)2019-3-27
3477System of Linear Equations14%(84/596)2019-3-27
3471Integral Roots14%(342/2415)2019-11-12
3428Formatting function14%(335/2345)2019-9-25
3479RoBa Has a Second Art Gallery!14%(80/553)2019-6-24
3470Walls15%(396/2612)2019-10-29
3476A Game with Colored Balls15%(548/3506)2019-9-25
3409Broken line16%(297/1780)2019-9-25
3490Jumping Frogs16%(46/273)2019-3-27
3424Better security18%(347/1854)2019-9-25
3453Soccer Tournament19%(163/842)2019-3-27
3474Ellipsoid19%(24/121)2019-3-27
3412Ray20%(439/2092)2019-9-25
3418Quadratic Functions21%(180/848)2019-10-24
3405Convex hull21%(200/934)2019-9-25
3447Calendar of Events21%(137/633)2019-3-27
3482‘JBC’21%(262/1196)2019-7-9
3473Stochastic Finite State Automaton21%(25/114)2019-3-27
3429Geometry with a ruler22%(385/1739)2019-9-25
3431Texture Tile23%(404/1714)2019-9-25
3434Terrarium23%(284/1185)2019-10-4
3492Knapsack II24%(410/1662)2019-3-27
3441Vacation Rentals25%(234/935)2019-9-25
3499Containers25%(458/1792)2019-9-25
3408The Domino Principle25%(486/1877)2019-9-25
3465Battle25%(723/2787)2019-11-14
3495Bitwise XOR of Arithmetic Progression26%(236/899)2019-10-31
3402Add a queen27%(269/987)2019-10-19
3410Split convex polygon28%(193/678)2019-10-11
3440Coin Toss28%(1278/4479)2019-11-13
3417Network28%(2669/9304)2019-11-14
3467Cross Counting29%(531/1820)2019-9-29
3413RPG29%(568/1939)2019-9-25
3489Knapsack I29%(330/1116)2019-9-25
3433Road Accident30%(27/90)2019-3-27
3443Team Work30%(349/1143)2019-9-25
3484Showstopper30%(888/2902)2019-10-31
3406Last digit30%(995/3239)2019-9-25
3468A Simple Problem with Integers30%(53187/172821)2019-11-14
3419Difference Is Beautiful30%(831/2694)2019-10-21
3430Pizza schedule31%(150/482)2019-3-27
3497Assemble31%(1191/3800)2019-10-10
3478Undergraduate Instruction Evaluation31%(53/169)2019-3-27
3472Holey Square Tiling31%(291/926)2019-9-25
3452Railway Transportation31%(495/1552)2019-9-25
3421X-factor Chains32%(3239/10006)2019-10-30
3401String reduction32%(479/1473)2019-10-13
3450Corporate Identity33%(3245/9829)2019-11-14
3415Common Substrings33%(4938/14725)2019-11-15
3442Baseball33%(116/343)2019-6-2
3446Catch the Bus!34%(55/161)2019-3-27
3475Paper-, er, Transcript-Folding Game35%(820/2319)2019-8-1
3400Dropping the stones35%(684/1929)2019-9-25
3463Sightseeing35%(4018/11306)2019-11-13
3494Largest Submatrix of All 1’s35%(3436/9647)2019-11-12
3439Server Relocation36%(948/2615)2019-6-2
3455Cheesy Chess37%(154/413)2019-9-25
3436ACM Computer Factory37%(4246/11274)2019-11-14
3411Paid Roads37%(3267/8670)2019-11-14
3451Money Money Money, Must Be Funny37%(175/462)2019-9-25
3485Highway37%(627/1655)2019-11-4
3426Doors and... more doors38%(187/491)2019-9-25
3462Lucky Light38%(419/1095)2019-9-25
3461Oulipo38%(22784/58522)2019-11-14
3422Kaka's Matrix Travels40%(4529/11050)2019-11-11
3404Bridge over a rough river41%(1824/4427)2019-10-10
3487The Stable Marriage Problem41%(1670/4021)2019-11-14
3414Pots41%(11909/28409)2019-11-14
3486Computers41%(918/2187)2019-10-23
3449Geometric Shapes42%(983/2332)2019-11-8
3481Double Queue42%(8612/20187)2019-11-3
3469Dual Core CPU42%(11938/27894)2019-10-18
3437Tree Grafting43%(1292/2967)2019-10-17
3459Projects44%(388/880)2019-9-25
3435Sudoku Checker44%(854/1923)2019-8-16
3432Count Squares44%(1353/3026)2019-10-11
3460Booksort45%(1291/2862)2019-11-8
3420Quad Tiling45%(2347/5172)2019-11-7
3416Crossing45%(879/1937)2019-10-21
3498March of the Penguins45%(2459/5346)2019-11-6
3425Customer support46%(1346/2903)2019-9-25
3448Roman Expressions46%(255/549)2019-9-25
3407Brookebond s'en va en guerre...46%(868/1847)2019-10-12
3493Chessboard Puzzle47%(279/585)2019-9-25
3480John49%(1844/3691)2019-11-8
3456Frobenius50%(503/995)2019-9-25
3427Ecology tax52%(2521/4762)2019-11-9
3423Automaton optimization53%(345/647)2019-9-25
3488Arne Saknussemm54%(770/1415)2019-7-20
3483Loan Scheduling54%(479/880)2019-9-25
3445Elementary Additions54%(1417/2588)2019-11-9
3454Hypertheseus55%(180/322)2019-9-25
3458Colour Sequence59%(822/1372)2019-7-29
3438Look and Say60%(5897/9710)2019-11-12
3444Wavelet Compression64%(1527/2362)2019-11-9

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