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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
5145 Déjà vu   17 15.12
5146 Experiment on a … Cable   15 34.88
5147 Fire-Control System   36 21.98
34
17
5148 Get-Together at Stockholm   1 57 46.88
1
17
5149 History of Languages   31 17.11
5150 Junk-Mail Filter   133 21.53
5151 Alice’s Cube   8 514 29.22
24
21
5152 Brute-force Algorithm EXTREME   2 102 22.07
17
28
5153 Compressed String   44 27.46
5154 Cryptography Reloaded (Act II)   35 27.14
5155 Exciting Time   44 13.90
5156 Flowers Placement   43 31.74
5157 Game Simulator   1 23 9.23
50
17
5158 Heroes Arrangement   14 10.91
5159 Island Explorer   36 15.49
5160 Jinyuetuan Puzzle   44 37.36
5161 Factorial vs Power   14 1137 25.97
13
15
5163 Tower of Vientiane   104 34.79
5182 Double Sorting   15 8.70
5196 Monotonous numbers   6 633 48.11
4
34
5197 Differential Diagnosis   1 64 24.12
5240 Area of a Garden   5 1698 47.14
4
9
5271 A Coin Game   4 552 31.94
21
30
5294 Recurrence   2 261 14.39
28
17
5295 Adjacent Bit Counts   86 3733 64.28
14
18
5296 Air Combat   -1 68 15.20
34
5298 Interval Challenge   4 141 16.81
24
27
5300 Mexican Standoff   23 22.16
5301 Query Problem   7 692 37.38
16
22
5317 Tetravex Puzzle   2 283 46.24
23
6
5373 Four Mines   14 6.44
5446 Fishing Net   172 31.73
5449 Seinfeld   189 9554 40.05
8
11
5450 Tiles of Tetris, Not!   15 3198 36.02
4
5
5451 Not So Flat After All   9 1126 42.77
11
10
5452 Hop Do not Walk   2 148 35.23
17
17
5453 Air Strike   2 177 23.72
17
17
5462 Art Plagiarism   11 24.62
5463 Bird or not bird   2 118 38.32
1
17
5464 Counting triangles   3 210 29.07
6
28
5465 Deliver pizza   5 406 22.89
21
15
5466 Electronic queue   5 165 38.01
13
21
5467 Finding password   6 184 16.93
26
34
5468 Going to school   8 327 36.25
15
34
5469 Houses   1 45 25.97
34
26
5511 Heavy Sequences   -1 82 18.09
34
34
5522 Buy Your House   15 37.25
5523 Highway Patrol   18 41.76
5530 Math with Bases (Easy)   2 67 24.73
26
9
5531 Kutevi Hard   90 43.40

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