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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
11 Factorial   175 60723 45.14
6
12
24 Small factorials   154 51423 29.64
15
9
2124 Last Non-Zero Digit of Factorials   4 488 25.49
26
34
15382 Factorial (Again!)   4 33.33
50
1
23237 Feast Coins   11 105 41.93
19
17
4408 Build a Fence   38 12327 44.81
4
5
4587 Electric Fences   -1 144 33.33
26
26
2273 Ferries   32 18.75
6236 Matches   8 458 22.10
26
7
10919 I Hate Parenthesis   97 30.21
17
1
40808 Crowded Music Festival   9 49 49.22
7
13
4211 Fast Maximum Flow   21 24.62
2418 Flying Frogs   63 35.71
7603 Fibonacci Factor   1 26 25.49
36563 Hard Fibonacci   8 94 24.80
19
21
31428 Fibonacci Polynomial   10 136 36.75
19
21
12125 Fibonacci With a Square Root   8 151 33.42
30
30
8001 Fibonacci Sum   182 6995 27.96
19
19
19406 Fibonacci extraction Sum   1 54 26.08
34
39
25067 Fibonacci Polynomial   8 239 41.51
11
19
35582 Fibonacci Power Sum (hard)   3 21 39.05
34
42
35552 Fibonacci Power Sum   5 39 39.10
17
30
11409 Fibonacci With a Twist   11 1011 31.32
15
20
4278 Battlefield   8 38.89
7423 File Recover Testing   17 927 35.56
7
11
3003 Median Filter   2 21 42.66
34
34
33048 Find Linear Recurrence   4 24 34.80
42
50
5969 Finding Maximum   3 109 30.31
13
23
5970 Finding Primes   22 1345 27.95
16
15
7212 Find String Roots   39 2181 34.82
12
15
3899 Finding Fractions   1 174 29.46
17
34
23861 Fingerprints   -4 269 34.41
6
3
1421 Goods   148 30.65
1
34
101 Fishmonger   48 2318 38.19
17
21
12651 Finding Fishes   1 46 27.87
5446 Fishing Net   176 31.96
11904 A Classic Myth - Flatland Superhero   11 41.18
187 Flat broken lines   2 105 39.78
9
17
7487 Flibonakki   16 867 29.53
21
29
13884 FLING1   57 23.74
10667 PASIJANS   69 48.52
2142 Arranging Flowers   25 9.87
5156 Flowers Placement   43 31.33
4477 Flower growing   117 22.21
38602 Unique Sequence   8 73 46.49
8
12
7685 Flowers   4 352 32.98
13
26
4210 Fast Maximum Matching   19 48.08
13420 Fimodacci   3 37 11.95
12
26
27093 Branch Assignment   29 39.58
27096 Forever Young   1 33 23.81

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