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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
5145 Déjà vu   17 18.98
5146 Experiment on a … Cable   13 34.21
5147 Fire-Control System   32 19.43
34
17
5148 Get-Together at Stockholm   1 55 47.93
1
17
5149 History of Languages   30 16.89
5150 Junk-Mail Filter   128 21.02
5151 Alice’s Cube   8 508 29.07
24
21
5152 Brute-force Algorithm EXTREME   2 99 21.81
17
28
5153 Compressed String   41 29.34
5154 Cryptography Reloaded (Act II)   32 27.69
5155 Exciting Time   42 13.54
5156 Flowers Placement   42 30.91
5157 Game Simulator   1 17 4.56
50
17
5158 Heroes Arrangement   13 12.98
5159 Island Explorer   35 15.31
5160 Jinyuetuan Puzzle   43 37.22
5161 Factorial vs Power   14 1130 26.04
13
15
5163 Tower of Vientiane   93 40.13
5182 Double Sorting   14 10.12
5196 Monotonous numbers   6 629 48.00
4
34
5197 Differential Diagnosis   1 60 23.77
5240 Area of a Garden   5 1698 47.15
4
9
5271 A Coin Game   4 549 31.83
21
30
5294 Recurrence   2 259 14.43
28
17
5295 Adjacent Bit Counts   86 3689 64.56
14
18
5296 Air Combat   -1 66 14.94
34
5298 Interval Challenge   4 138 16.66
24
27
5300 Mexican Standoff   20 21.53
5301 Query Problem   7 688 37.41
16
22
5317 Tetravex Puzzle   2 282 46.09
23
6
5373 Four Mines   14 7.85
5446 Fishing Net   168 31.36
5449 Seinfeld   189 9543 40.06
8
11
5450 Tiles of Tetris, Not!   15 3191 36.00
4
5
5451 Not So Flat After All   9 1124 42.70
11
10
5452 Hop Do not Walk   2 146 35.19
17
17
5453 Air Strike   2 177 23.76
17
17
5462 Art Plagiarism   11 24.62
5463 Bird or not bird   2 116 38.03
1
17
5464 Counting triangles   3 209 29.00
6
28
5465 Deliver pizza   5 405 22.84
21
15
5466 Electronic queue   5 162 37.60
13
21
5467 Finding password   6 181 16.68
26
34
5468 Going to school   8 324 36.02
15
34
5469 Houses   1 43 27.08
34
26
5511 Heavy Sequences   -1 82 18.13
34
34
5522 Buy Your House   12 34.15
5523 Highway Patrol   17 42.53
5530 Math with Bases (Easy)   2 67 24.73
26
9
5531 Kutevi Hard   89 43.22

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