list of classical problems

ID NAME CODE USERS ACC %
7857    Tower Game (Hard) ADV04A1 59 15.07
7851    Stacks of Zippy JZPSTA 17 16.80
7826    Tree Isomorphism TREEISO 548 22.93
7809    Cow Photographs COWPIC 168 35.60
7807    The Lucky Prisoner LPRISON 27 9.93
7805    Kitchen Robot KITROB 88 31.90
7804    Defense of a Kingdom DEFKIN 4993 25.24
7783    Commuting Functions COMFUNC 44 25.22
7782    Largest Labeled Common Ancestor LLCA 204 61.73
7779    Stock Chase ANARC09G 71 29.55
7778    Land Division ANARC09H 35 43.21
7777    National Treasure ANARC09J 32 38.30
7772    Help a researcher HLPRSRCH 57 47.57
7763    Ingenious Metro MILAR10 66 67.09
7762    Electric Needs MELAR10 23 41.30
7761    Jollo MJLAR10 394 39.98
7760    Kids’ Wishes MKLAR10 92 31.74
7759    Hyperactive Girl MHLAR10 106 39.75
7758    Growing Strings MGLAR10 173 31.84
7757    Flowers Flourish from France MFLAR10 3158 53.04
7753    Happy Numbers II HPYNOSII 647 15.91
7746    Cocircular Points MCOCIR 59 16.57
7745    Bingo! MBINGO 749 38.70
7742    Onotole needs your help OLOLO 10091 41.02
7741    Sequence BOI7SEQ 802 30.18
7740    Fence BOI7FEN 18 27.69
7739    Sound BOI7SOU 472 33.52
7737    Escape BOI7ESC 55 33.85
7734    Twist and whirl - want to cheat TWIST 237 45.34
7733    Happy Numbers I HPYNOS 9368 53.38
7718    Number of common divisors COMDIV 6967 24.79
7709    Jumping Zippy JZPCIR 64 55.34
7704    Civil Engineering CIVIL 634 44.67
7696    Encryption CENCRY 982 36.00
7693    Environmental Engineering ENVIRON 11 23.95
7692    Chemistry CHEM 69 13.87
7691    Homo or Hetero HOMO 1646 36.21
7685    Flowers FLWRS 309 30.16
7683    Powered and Squared CSQUARE 711 27.13
7680    Electrical Engineering ELEC 16 34.64
7676    Sum of Digits CPCRC1C 4842 38.53
7668    Pebble Solver PEBBLE 1998 50.40
7666    Telecommunications TELECOM 22 24.75
7637    Road Map RANJAN05 78 54.68
7632    Architecture ARCHI 18 22.92
7630    SHOPPERS SHOPPERS 148 36.54
7629    Building Ports BPORT 42 13.07
7628    Mathematics MATHS 64 28.57
7627    Driving Direction NE06D 10 43.75
7623    Divisors VI DIVISER9 27 14.35
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