list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4455 Going to the Movies   86 36.33
4459 Muzidabutur   4 21.43
4461 A Famous Airport Manager   23 16.36
4477 Flower growing   112 22.73
4478 Counting Expressions II   14 35.29
4523 Binomial Coefficients   209 41.72
23
12
4528 Frog Wrestling   66 43.23
4533 Determinant of Banded Matrices   16 32.67
4552 Adding up Triangles   136 36.41
4558 I Speak Whales   182 42.26
17
17
4559 A Day at the Races   122 17.08
4574 Riding in cycles   41 24.31
4586 Texas Trip   66 37.85
4588 SETI   123 67.48
4657 Gas Wars   139 35.32
34
17
4717 Grid Points in a Triangle   98 46.86
4785 Starship   10 28.80
4828 ZSequence   51 19.33
4881 Words on graphs   103 11.39
34
5011 Library for Madrid   55 42.17
17
17
5014 Crazy Receptionist   11 13.18
5015 Decode the Castanets   32 43.14
5016 Guernica   19 51.06
5018 Street Gambler   26 43.55
5102 Mystic Craft   54 46.05
5103 Top 10   41 16.26
5104 Spam Detection   14 20.69
5115 Two "Ways"   63 15.00
5143 Binary Integer   49 50.85
5144 Cryptography Reloaded (Act I)   33 26.16
5145 Déjà vu   16 19.23
5146 Experiment on a … Cable   12 41.38
5147 Fire-Control System   30 18.60
34
17
5149 History of Languages   27 15.54
5153 Compressed String   41 30.62
5154 Cryptography Reloaded (Act II)   31 27.89
5155 Exciting Time   39 13.19
5156 Flowers Placement   41 31.06
5158 Heroes Arrangement   12 12.80
5159 Island Explorer   35 15.62
5160 Jinyuetuan Puzzle   40 36.69
5163 Tower of Vientiane   92 40.20
5182 Double Sorting   12 8.92
5300 Mexican Standoff   21 23.19
5373 Four Mines   14 8.24
5446 Fishing Net   147 31.37
5462 Art Plagiarism   9 22.22
5469 Houses   42 26.72
34
26
5511 Heavy Sequences   79 18.00
34
34
5522 Buy Your House   12 35.90

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