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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10514 K12 - Building Construction   60 2073 26.48
12
16
10519 K12-Bored of Suffixes and Prefixes   3 96 43.49
26
26
10515 K12-Combinations   5 412 28.02
5
17
10517 K12-Generating Big Numbers II   1 83 45.02
26
17
10522 K12-OE Numbers   7 238 50.18
21
21
15575 Kangaroos   1 20 23.78
25179 Kaos   9 282 40.67
19
25
18905 Kapti and Balu   1 41 32.70
17
17
22393 KATHTHI   58 2214 33.42
16
17
15498 Kawigi quote   1 25 32.11
34
34
2053 Key Task   37 1188 31.78
24
22
15573 Keyboard   16 28.17
26212 Keyur and Mohib Tree   15 218 40.63
8
12
34909 Keyword Finder   105 29.60
6
4
19174 Khairy and Gold Alloys   7 148 47.46
11
11
19334 Khaolin Temple   2 24 27.22
26
26
7760 Kids’ Wishes   1 95 31.93
34
1
19148 Kill them All   3 129 23.60
28
34
25482 Kimetto Kipsang and Kipchoge   1 44 21.48
34
34
11769 Kind and gently   106 53.23
17
17
13382 Kindergarten Painting Competition   40 39.13
10589 King   70 29.77
14923 King Graffs Defense   20 484 25.48
26
30
14924 King Graffs Tolls   4 35 40.00
26
26
14925 King Graffs Trip   2 27 21.53
34
34
22554 Kingdom   1 41 45.39
34
34
37375 Kingdom of Equality   2 14 40.62
26
26
2415 Kirchhof Law   2 105 21.42
17
17
7805 Kitchen Robot   3 90 32.24
9
9
22804 Knapsack   4 56 30.87
21
23
13875 Knifes Are Fun   11 1304 43.43
3
7
27225 Knight Move   12 466 30.10
15
14
5609 Knight Moves   6 107 40.69
9
20
32271 KNIGHTS level testing   1 11 21.13
34
17
2878 Knights of the Round Table   2 564 22.72
9
17
10620 KNJIGE   28 1450 44.45
5
18
3393 Knot or Not   10 16.67
36537 Koala Fan   8 50 25.36
13
10
28465 Koalas   1 17 15.24
34
17
8434 Kolica   2 68 40.10
34
17
10069 Kompići   19 842 68.46
11
20
11179 Korra in the Spirit World   26 41.24
13106 KOSARE   3 387 50.54
23
39
8351 KOSARK   8 852 42.90
12
5
3832 Kruska   4 107 46.57
17
17
2154 Kruskal   85 14.03
19039 Krypt in Time   -1 299 41.91
34
1
34812 Kth Power Summation   6 61 16.64
25
19
3941 Kth Shortest Path   25 24.30
26953 Kuchu the Bookworm   -1 52 13.79
17
15

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