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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4177 Herding   57 2731 35.22
14
15
4179 Temptation Island   2 655 45.09
20
12
4180 Pizza Location   2 577 18.60
31
17
4182 Candy (Again)   2 236 18.78
34
34
4186 Break a New RSA system   1 138 34.12
4188 Amazing equality   43 14.08
4189 Landing   1 8 4.08
50
50
4198 Lego   5 195 25.35
24
22
4206 Fast Maximum Matching   33 2094 29.48
22
19
4309 Circular game   35 19.60
4421 Irreducible polynomials over GF2   64 18.04
4458 Rainbow   2 38 19.53
34
42
4461 A Famous Airport Manager   27 17.18
4487 Can you answer these queries VI   27 1367 23.62
34
28
4523 Binomial Coefficients   210 41.58
23
12
4525 Digger Octaves   6 391 35.55
17
21
4528 Frog Wrestling   69 37.50
4761 Strategy game   2 44 55.64
9
17
4785 Starship   16 31.25
4828 ZSequence   53 18.02
5120 Minimal Possible String   4 61 5.32
34
30
5157 Game Simulator   1 23 8.99
50
17
5163 Tower of Vientiane   105 34.94
5182 Double Sorting   15 8.70
5446 Fishing Net   176 31.96
5449 Seinfeld   189 9560 40.07
8
11
5453 Air Strike   2 178 23.78
17
17
5511 Heavy Sequences   -1 84 18.41
34
34
5541 Sequoiadendron   1 66 44.25
17
17
5609 Knight Moves   6 107 40.69
9
20
5649 Divide Polygon   3 48 22.95
9
34
5911 Square-free Integers Factorization   1 20 30.67
17
34
5917 Factorial length   11 3478 34.57
5
17
5970 Finding Primes   22 1345 27.95
16
15
5971 LCM Sum   83 3962 26.35
20
29
5973 Selecting Teams   235 23.33
6169 Standing Sequence   2 122 28.60
34
39
6170 Homecoming   1 32 30.77
17
34
6171 Majority   35 5349 43.19
6
7
6172 OAE   7 1230 42.03
12
26
6230 Dictionary order   6 9.30
6236 Matches   8 458 22.10
26
7
6256 Inversion Count   534 18105 32.03
16
18
6264 Rank of a Fraction   4 132 31.92
12
34
6292 Shmoogle Wave   17 23.01
6299 Move Marbles   1 22 5.52
17
34
6450 PP numbers   10 886 41.94
10
6
6470 Finding the Kth Prime   48 7870 27.24
19
14
6471 Printing some primes   71 7833 28.93
13
11
6517 Farmer Sepp   7 340 22.08
28
26

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