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list of classical problems

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ID NAME CODE USERS ACC %
4164    A conjecture of Paul Erdős HS08PAUL 2311 44.07
4166    Four colors HS08FOUR 99 21.79
4168    Square-free integers SQFREE 682 44.75
4172    Multiplicative digital root DROOT 73 25.40
4176    A Knightly Pursuit KPURSUIT 64 28.03
4177    Herding HERDING 2714 35.23
4179    Temptation Island TEMPTISL 649 44.88
4180    Pizza Location PIZZALOC 573 18.51
4182    Candy (Again) FCANDY 226 18.42
4186    Break a New RSA system HS08CODE 136 35.61
4188    Amazing equality HS08EQ 38 13.58
4189    Landing LANDING 4 3.64
4198    Lego LEGO 182 25.37
4206    Fast Maximum Matching MATCHING 1990 29.25
4309    Circular game AE5A1 32 19.89
4421    Irreducible polynomials over GF2 GF2 62 17.92
4452    Simple Arithmetics II ARITH2 7459 42.38
4458    Rainbow RAINBOW2 34 19.46
4461    A Famous Airport Manager AIRLINE2 23 16.36
4487    Can you answer these queries VI GSS6 1287 23.06
4523    Binomial Coefficients UCI2009B 207 41.27
4525    Digger Octaves UCI2009D 379 35.78
4528    Frog Wrestling FROGS 66 43.23
4761    Strategy game HS09GAME 39 54.84
4784    Diophantine equation HS09EQ 149 39.96
4828    ZSequence ZSEQ 51 19.33
5093    Pretty Functions PRETTY 39 24.21
5120    Minimal Possible String MINSEQ 55 5.08
5157    Game Simulator TRACTOR 17 4.57
5163    Tower of Vientiane VIENTIAN 92 40.20
5182    Double Sorting PAIRSORT 12 8.88
5446    Fishing Net FISHNET 162 31.04
5449    Seinfeld ANARC09A 9524 40.06
5453    Air Strike ANARC09F 175 23.63
5511    Heavy Sequences HSEQ 82 18.23
5541    Sequoiadendron SEQUOIA 62 45.22
5609    Knight Moves KMOVES 99 40.26
5649    Divide Polygon DTPOLY 33 21.14
5911    Square-free Integers Factorization SQFFACT 20 39.51
5917    Factorial length LENGFACT 3464 34.51
5970    Finding Primes FINDPRM 1335 27.89
5971    LCM Sum LCMSUM 3702 25.90
5973    Selecting Teams SELTEAM 225 22.87
6169    Standing Sequence SSEQ 118 28.49
6170    Homecoming HOMEC 28 30.56
6171    Majority MAJOR 5321 43.14
6172    OAE OAE 1164 41.33
6221    Increasing Powers of K INCPOWK 352 27.41
6230    Dictionary order GSP1 6 11.59
6236    Matches FERT21_0 451 21.95
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