list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
5145 Déjà vu   17 17.22
5146 Experiment on a … Cable   13 30.23
5147 Fire-Control System   32 19.43
34
17
5148 Get-Together at Stockholm   1 57 46.88
1
17
5149 History of Languages   30 16.29
5150 Junk-Mail Filter   132 21.43
5151 Alice’s Cube   8 509 29.09
24
21
5152 Brute-force Algorithm EXTREME   2 100 21.92
17
28
5153 Compressed String   41 29.34
5154 Cryptography Reloaded (Act II)   32 27.69
5155 Exciting Time   43 13.72
5156 Flowers Placement   43 31.33
5157 Game Simulator   1 17 4.52
50
17
5158 Heroes Arrangement   13 12.14
5159 Island Explorer   35 15.31
5160 Jinyuetuan Puzzle   43 35.83
5161 Factorial vs Power   14 1131 26.06
13
15
5163 Tower of Vientiane   93 39.87
5182 Double Sorting   15 9.85
5196 Monotonous numbers   6 629 47.98
4
34
5197 Differential Diagnosis   1 61 23.45
5240 Area of a Garden   5 1699 47.16
4
9
5271 A Coin Game   4 551 31.92
21
30
5294 Recurrence   2 259 14.43
28
17
5295 Adjacent Bit Counts   86 3702 64.39
14
18
5296 Air Combat   -1 66 14.87
34
5298 Interval Challenge   4 141 16.82
24
27
5300 Mexican Standoff   21 21.48
5301 Query Problem   7 689 37.45
16
22
5317 Tetravex Puzzle   2 283 46.11
23
6
5373 Four Mines   14 7.30
5446 Fishing Net   170 31.54
5449 Seinfeld   189 9546 40.04
8
11
5450 Tiles of Tetris, Not!   15 3193 36.00
4
5
5451 Not So Flat After All   9 1125 42.70
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   11 24.62
5463 Bird or not bird   2 118 38.26
1
17
5464 Counting triangles   3 210 29.07
6
28
5465 Deliver pizza   5 406 22.86
21
15
5466 Electronic queue   5 162 37.60
13
21
5467 Finding password   6 181 16.66
26
34
5468 Going to school   8 325 36.06
15
34
5469 Houses   1 43 25.90
34
26
5511 Heavy Sequences   -1 83 18.28
34
34
5522 Buy Your House   13 35.71
5523 Highway Patrol   17 40.66
5530 Math with Bases (Easy)   2 67 24.73
26
9
5531 Kutevi Hard   90 43.40

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