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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
12397 Johnny plays with connect 4   2 54 30.73
17
12
12408 Johnny Studies Genetics   42 37.68
17
17
12407 Johnny The Gambler   7 963 20.71
8
6
12400 Johnnys Empire   1 538 43.46
9
9
9528 Johns Trip   21 29.29
9489 Johny Hates Math   26 7.19
7868 Join   1 21 47.31
34
17
28464 Joining lines   3 61 24.43
5
17
7761 Jollo   3 398 40.15
17
9
25684 Jolly Kingdom   17 16.28
10677 Joseph’s Problem   4 204 54.78
17
30
16636 Journey   59 26.42
9084 Journey to Mars   107 23.68
3961 Journey with Pigs   133 41.31
17402 Joy of Arbitrage   1 19 16.91
50
34
9645 Joy of CompuTenis   9 15.38
8850 Juice Extractor   1 125 16.41
17
17
54 Julka   165 23428 27.55
19
6
4456 Jumbo Airlines   2 76 36.79
34
34
7970 Jumping Beans   1 63 27.96
17
17
4416 Jumping Hands   1 212 65.75
17
17
27341 Jumping Joey   1 6 18.42
34
17
10086 Jumping Monkey   59 25.95
7709 Jumping Zippy   3 68 54.35
26
34
21671 Jumppy and the Grid   4 63 33.10
21
21
5150 Junk-Mail Filter   149 22.56
34117 Just a Palindrome   1 29 8.76
34
34
9494 Just Add It   76 6466 46.86
11
10
11405 Just Like the Good Old Days   88 40.78
12150 Just Next !!!   75 6670 23.13
12
11
7404 Just on Time   2 16 35.38
17
17
31341 Just One Swap   11 185 28.68
11
12
40083 Just Primes   11 124 29.90
15
17
40084 Just Primes II   7 29 38.36
34
30
11496 Just the distance   22 12.75
17
17
8625 Just The Simple Fax   1 80 42.15
34
17
2180 Justice League   83 48.97
26954 k Alternating Sum   11 81 31.75
23
26
2144 K Edge-disjoint Branchings   9 12.35
2733 K Equal Digits   16 13.65
26348 K NUMBERS   11 285 38.44
9
9
36936 K-Divisors   3 18 17.05
39
39
32900 K-dominant array   3 383 31.59
30
30
2128 K-In-A-Row   6 446 33.76
17
11
412 K-path cover   186 20.48
1
50
3266 K-query   248 6129 25.55
21
25
23776 K-Query Online   86 2060 40.13
20
23
3946 K-th Number   245 5840 35.44
25
27
18939 K-th smallest number   5 219 13.94
13
17
36577 K-transfer journey   4 27 39.00
21
26

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