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list of classical problems

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ID NAME CODE USERS ACC %
4164    A conjecture of Paul Erdős HS08PAUL 2680 43.76
4166    Four colors HS08FOUR 104 22.01
4168    Square-free integers SQFREE 787 46.25
4172    Multiplicative digital root DROOT 77 24.16
4176    A Knightly Pursuit KPURSUIT 67 29.28
4177    Herding HERDING 2730 35.22
4179    Temptation Island TEMPTISL 655 45.09
4180    Pizza Location PIZZALOC 577 18.60
4182    Candy (Again) FCANDY 236 18.78
4186    Break a New RSA system HS08CODE 138 34.12
4188    Amazing equality HS08EQ 42 13.88
4189    Landing LANDING 8 4.08
4198    Lego LEGO 195 25.40
4206    Fast Maximum Matching MATCHING 2089 29.46
4309    Circular game AE5A1 35 19.70
4421    Irreducible polynomials over GF2 GF2 64 18.04
4452    Simple Arithmetics II ARITH2 7512 42.28
4458    Rainbow RAINBOW2 38 19.53
4461    A Famous Airport Manager AIRLINE2 27 17.18
4487    Can you answer these queries VI GSS6 1365 23.61
4523    Binomial Coefficients UCI2009B 210 41.58
4525    Digger Octaves UCI2009D 391 35.55
4528    Frog Wrestling FROGS 69 37.50
4761    Strategy game HS09GAME 44 55.64
4784    Diophantine equation HS09EQ 155 40.59
4828    ZSequence ZSEQ 53 18.02
5093    Pretty Functions PRETTY 43 22.67
5120    Minimal Possible String MINSEQ 61 5.32
5157    Game Simulator TRACTOR 23 8.99
5163    Tower of Vientiane VIENTIAN 105 34.94
5182    Double Sorting PAIRSORT 15 8.70
5446    Fishing Net FISHNET 176 31.96
5449    Seinfeld ANARC09A 9559 40.06
5453    Air Strike ANARC09F 178 23.78
5511    Heavy Sequences HSEQ 84 18.41
5541    Sequoiadendron SEQUOIA 66 44.25
5609    Knight Moves KMOVES 107 40.69
5649    Divide Polygon DTPOLY 48 22.95
5911    Square-free Integers Factorization SQFFACT 20 30.67
5917    Factorial length LENGFACT 3478 34.57
5970    Finding Primes FINDPRM 1345 27.95
5971    LCM Sum LCMSUM 3954 26.31
5973    Selecting Teams SELTEAM 234 23.28
6169    Standing Sequence SSEQ 122 28.60
6170    Homecoming HOMEC 32 30.77
6171    Majority MAJOR 5349 43.19
6172    OAE OAE 1230 42.03
6221    Increasing Powers of K INCPOWK 360 27.59
6230    Dictionary order GSP1 6 9.30
6236    Matches FERT21_0 458 22.10
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