list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
5446 Fishing Net   176 31.96
5449 Seinfeld   189 9560 40.07
8
11
5453 Air Strike   2 178 23.78
17
17
5917 Factorial length   11 3478 34.57
5
17
6230 Dictionary order   6 9.30
6236 Matches   8 458 22.10
26
7
6264 Rank of a Fraction   4 132 31.92
12
34
6299 Move Marbles   1 22 5.52
17
34
6450 PP numbers   10 886 41.94
10
6
6470 Finding the Kth Prime   48 7869 27.24
19
14
6471 Printing some primes   71 7829 28.92
13
11
6517 Farmer Sepp   7 340 22.08
28
26
6691 Picking Up Chicks   29 2262 32.15
11
18
6819 Yet Another Assignment Problem   1 42 11.26
1
7034 Crashing Robots   3 172 48.02
17
1
7035 The Embarrassed Cryptographer   5 358 32.25
13
13
7050 Necklace Decomposition   48 60.61
7169 Pizza   45 6438 29.98
10
8
7217 Training for final   26 2101 45.57
8
6
7239 Cells   3 81 47.22
17
9
7240 Playground   2 208 41.97
1
6
7248 Chess part1   104 23.55
7249 Perfume   2 115 16.00
1
17
7250 Blocks for kids   2 102 40.56
23
23
7258 Lexicographical Substring Search   32 2294 22.74
23
19
7259 Light Switching   102 4696 34.33
16
15
7260 Number Game   1 94 26.01
17
17
7264 Digital LED Number   7 554 28.35
14
4
7286 Collect Diamonds   1 20 25.93
26
26
7296 Trees Again   5 168 47.65
21
30
7297 Placing Coins on a Grid   2 61 32.53
17
17
7299 Multiples of 3   121 3782 23.64
20
17
7301 Lucky Controller   11 32.14
7322 Prime Pattern   1 97 36.16
23
17
7323 Happy Days   47 44.74
7333 Shuffle Music   9 26.67
7335 Spheres   3 129 9.54
17
39
7336 Mastermind   493 36.24
7337 Shuffling   24 18.09
7356 Iterated Bitcount Function   2 36 16.47
42
34
7363 Tree Sum   5 187 36.46
42
45
7378 Manhattan Companies   16 10.96
7380 Factorial challenge   5 344 31.49
14
26
7386 Activities   62 1447 25.57
16
19
7387 Airplane Parking   56 23.53
7389 Rating Hazard   25 19.44
7402 Repair Depots   14 43.90
7403 Messy Administration   1 14 30.88
17
17
7404 Just on Time   2 16 35.38
17
17
7405 Delicious Pancakes   1 736 27.06
11
11

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