list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
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 1113 26.18
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   4 506 30.58
21
30
5295 Adjacent Bit Counts   86 3551 65.78
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   6 660 37.22
13
21
5317 Tetravex Puzzle   1 278 45.99
17
9
5373 Four Mines   14 8.24
5446 Fishing Net   148 31.58
5449 Seinfeld   188 9509 40.08
8
11
5450 Tiles of Tetris, Not!   15 3151 35.96
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   80 18.08
34
34
5522 Buy Your House   12 35.90
5523 Highway Patrol   16 50.00
5531 Kutevi Hard   86 42.48
5541 Sequoiadendron   1 61 43.89
17
17
5542 Counting pairs   4 129 26.33
39
36
5566 Math with Bases   14 10.82
5609 Knight Moves   6 98 40.36
9
20
5637 LL and ErBao   5 50.88
5638 Mobile Service Hard   1 81 22.75
50
50
5640 Fractions on Tree   6 918 61.77
14
21
5649 Divide Polygon   3 31 21.43
9
34

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