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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
5146 Experiment on a … Cable   12 41.38
5147 Fire-Control System   30 18.60
34
17
5148 Get-Together at Stockholm   1 50 46.43
1
17
5149 History of Languages   27 15.54
5150 Junk-Mail Filter   1 106 20.71
5151 Alice’s Cube   8 501 28.99
24
21
5152 Brute-force Algorithm EXTREME   2 94 22.03
17
28
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
5157 Game Simulator   1 17 4.57
50
17
5158 Heroes Arrangement   12 12.80
5159 Island Explorer   34 15.28
5160 Jinyuetuan Puzzle   40 36.69
5161 Factorial vs Power   14 1111 26.17
13
15
5163 Tower of Vientiane   92 40.20
5182 Double Sorting   12 8.92
5196 Monotonous numbers   6 609 47.80
4
34
5197 Differential Diagnosis   1 57 23.72
5240 Area of a Garden   5 1686 47.05
4
9
5271 A Coin Game   4 501 30.37
21
30
5294 Recurrence   2 255 14.32
28
17
5295 Adjacent Bit Counts   86 3533 65.96
14
18
5296 Air Combat   -1 64 14.85
34
5298 Interval Challenge   4 135 16.52
24
27
5300 Mexican Standoff   21 23.19
5301 Query Problem   6 659 37.19
13
21
5317 Tetravex Puzzle   1 278 45.99
17
9
5373 Four Mines   14 8.24
5446 Fishing Net   147 31.37
5449 Seinfeld   188 9499 40.06
8
11
5450 Tiles of Tetris, Not!   15 3146 35.93
4
5
5451 Not So Flat After All   9 1116 42.57
11
10
5452 Hop Do not Walk   2 144 35.29
17
17
5453 Air Strike   2 175 23.63
17
17
5462 Art Plagiarism   9 22.22
5463 Bird or not bird   2 115 38.84
1
17
5464 Counting triangles   3 202 28.75
6
28
5465 Deliver pizza   5 403 22.81
21
15
5466 Electronic queue   3 156 36.89
12
17
5467 Finding password   6 182 17.08
26
34
5468 Going to school   8 314 35.88
15
34
5469 Houses   42 26.72
34
26
5511 Heavy Sequences   79 18.00
34
34
5522 Buy Your House   12 35.90
5523 Highway Patrol   16 50.00
5530 Math with Bases (Easy)   2 63 24.94
26
9
5531 Kutevi Hard   86 42.48
5541 Sequoiadendron   1 61 43.89
17
17

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