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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4310 Permutacja   4 170 38.96
12
17
37114 PermRLE   4 15 28.33
27
37
1712 Permalex   -1 174 19.50
23
17
3734 Periodni   2 670 39.19
26
34
10081 Periodic Points   12 35.90
27213 Periodic function, trip 5   11 55.58
22315 Periodic function, trip 3 (easy)   16 25.71
17
17
22271 Periodic function, trip 3   13 52.07
34
17
22270 Periodic function, trip 2   3 38 44.65
23
28
22269 Periodic function, trip 1   1 19 29.33
17
50
263 Period   57 3064 40.09
12
17
7249 Perfume   2 115 16.00
1
17
26182 Perfect Superstring   2 14 69.57
34
34
9260 Perfect Road   16 20.37
17
17
2737 Perfect Rhyme   5 437 16.99
27
26
25475 Perfect packing   3 15 51.24
34
39
9190 Perfect Maze   31 1.73
8286 Perfect Matching   92 19.19
1
17
867 Perfect Cubes   11 2244 47.88
7
5
8612 Penney Game   38 7743 67.22
4
3
23185 Pencil Game   1 24 28.44
17
17
12721 Pell (Mid pelling)   1 45 33.83
10112 Peer Review   116 32.79
19276 Peculiar Permutivores   6 36.36
25891 Peculiar Number   14 237 41.69
19
16
20951 Pebbles   1 75 60.40
1
17
7668 Pebble Solver   15 2009 50.46
8
11
13095 peaks   2 80 32.28
26
26
6052 PBCGAME   85 27.45
4225 Payment System   31 61.90
123 Paying in Byteland   2 479 46.72
6
17
3591 Patting Heads   3 659 35.33
17
17
8896 Pattern Matching   1 32 26.58
17
13
21524 Pattern Find   81 5062 38.72
10
13
11901 Paths in a Tree   1 24 26.19
1
34
22528 Paths in a Tree   3 45 26.64
21
21
26345 PATHETIC STRINGS   7 75 26.25
19
19
12612 Path of the righteous man   28 505 36.07
20
22
26705 Path Game   4 92 54.31
20
17
21807 Path Finding In the Country   2 103 38.60
9
17
10667 PASIJANS   69 48.52
8930 Party!   3 67 19.63
17
34
13895 Party Time   2 14.29
8507 Party Switching   4 246 28.74
6
6
97 Party Schedule   251 8960 36.24
14
16
2898 Party of Cloaked Killers   28 16.23
10092 Party Night   30 30.00
3872 Party At School   1 58 24.87
34
34
7015 Party   -1 1058 51.01
3
15
2276 Partitions   1 24 13.02
34
26

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