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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
18965 Milk Scheduling   15 1056 25.56
10
15
23536 Front   5 163 26.00
10
15
25383 New Lottery Game   7 50 19.67
17
15
26953 Kuchu the Bookworm   -1 52 13.79
17
15
28304 Ada and Teams   24 892 39.56
15
15
35147 Bermuda Love Triangle   6 48 58.60
13
15
36142 Random modulo n   16 79 60.59
8
15
1028 Hubulullu   61 8257 58.72
2
15
1871 Making A Budget   15 875 48.61
12
15
8057 Square Free Factorization   16 1446 41.59
7
15
10108 Distributing Ballot Boxes   32 1165 36.21
11
15
17399 G Force   17 370 33.25
10
15
4177 Herding   57 2731 35.22
14
15
11354 Amusing numbers   53 3254 59.78
13
15
25584 Factorial Modulo   25 425 24.95
10
15
1846 Project File Dependencies   25 2150 41.10
14
15
4988 Madrids One Way Streets   5 201 29.00
15
15
5091 Feline Olympics - Mouseball   7 600 39.35
7
15
5465 Deliver pizza   5 408 22.98
21
15
8496 No Squares Numbers   18 845 35.10
19
15
10416 Van Helsings gun   3 1445 54.45
6
15
14929 Subsequence   2 178 12.79
10
15
28164 Cats Invitation   7 84 28.90
21
15
28784 IIITM Student   6 98 53.29
13
15
30500 THE HONEYCOMB MAZE   16 653 27.24
17
15
38331 Comet Number   7 89 33.12
7
15
7259 Light Switching   102 4701 34.35
16
15
11371 Answer the boss!   32 1243 35.25
15
15
394 Alphacode   580 22985 27.42
15
15
4465 The Ant   17 746 25.99
20
15
3 Substring Check (Bug Funny)   9 1083 6.98
40
15
16 Sphere in a tetrahedron   12 3552 55.21
11
16
120 Solitaire   8 370 23.48
26
16
1167 Move To Invert   13 2461 31.80
8
16
2412 Arranging Amplifiers   18 3283 27.22
7
16
8982 Representatives   20 442 31.50
17
16
9103 Special Numbers   8 759 30.05
14
16
25780 Decreasing Number of Visible Box   18 253 39.68
16
16
36533 Gentleman s Wallet   9 58 42.05
12
16
37053 Trailing Zeros   10 60 52.00
8
16
33 Trip   17 2073 26.41
25
16
388 Menu   7 352 19.00
25
16
3195 Doors and Penguins   9 244 27.35
19
16
7683 Powered and Squared   8 717 27.21
19
16
8785 Cut the Silver Bar   52 5382 54.42
5
16
13990 Web islands   18 586 33.05
15
16
16254 Running Median Again   41 1812 22.61
20
16
17397 End of Fun   14 358 27.71
17
16
25844 Find the max XOR value   7 645 59.58
6
16
25891 Peculiar Number   14 237 41.69
19
16

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