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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
5145 Déjà vu   17 14.94
5146 Experiment on a … Cable   16 36.36
5147 Fire-Control System   37 22.40
34
17
5148 Get-Together at Stockholm   1 56 48.36
1
17
5149 History of Languages   32 17.70
5150 Junk-Mail Filter   144 22.40
5151 Alice’s Cube   8 516 29.30
24
21
5152 Brute-force Algorithm EXTREME   2 103 22.25
17
28
5153 Compressed String   46 28.21
5154 Cryptography Reloaded (Act II)   36 27.49
5155 Exciting Time   45 13.96
5156 Flowers Placement   43 31.33
5157 Game Simulator   1 23 8.99
50
17
5158 Heroes Arrangement   17 12.94
5159 Island Explorer   37 16.00
5160 Jinyuetuan Puzzle   45 37.70
5161 Factorial vs Power   14 1139 25.96
13
15
5163 Tower of Vientiane   105 34.94
5182 Double Sorting   15 8.70
5196 Monotonous numbers   6 635 48.16
4
34
5197 Differential Diagnosis   1 65 24.32
5240 Area of a Garden   5 1702 47.20
4
9
5271 A Coin Game   4 554 31.99
21
30
5294 Recurrence   2 262 14.44
28
17
5295 Adjacent Bit Counts   86 3776 63.98
14
18
5296 Air Combat   -1 71 15.71
34
5298 Interval Challenge   4 143 16.92
24
27
5300 Mexican Standoff   26 24.19
5301 Query Problem   7 695 37.33
16
22
5317 Tetravex Puzzle   2 284 46.25
23
6
5373 Four Mines   14 6.25
5446 Fishing Net   176 31.96
5449 Seinfeld   189 9559 40.06
8
11
5450 Tiles of Tetris, Not!   15 3205 36.04
4
5
5451 Not So Flat After All   9 1128 42.94
11
10
5452 Hop Do not Walk   2 148 35.23
17
17
5453 Air Strike   2 178 23.78
17
17
5462 Art Plagiarism   13 21.84
5463 Bird or not bird   2 119 38.48
1
17
5464 Counting triangles   3 213 29.16
6
28
5465 Deliver pizza   5 408 23.00
21
15
5466 Electronic queue   5 166 38.11
13
21
5467 Finding password   6 187 17.06
26
34
5468 Going to school   9 330 36.17
17
34
5469 Houses   1 46 25.56
34
26
5511 Heavy Sequences   -1 84 18.41
34
34
5522 Buy Your House   17 39.62
5523 Highway Patrol   19 42.39
5530 Math with Bases (Easy)   2 67 24.73
26
9
5531 Kutevi Hard   90 43.40

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