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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
16063 Hackers   6 61 21.64
48
48
16062 Count Primes   -2 45 25.20
16048 Help Rarity Collect Crystals   25 22.39
16046 Help Professor   6 402 47.67
8
15
16035 Fone Frequencies   34 43.96
17
9
16034 Minimum Number   5 498 16.17
11
1
16033 Tip Top Game   17 1769 27.18
2
7
16030 Psycho   13 861 20.72
10
11
16018 Edge Detection   14 53.33
16017 The Triangle Game   1 56 47.59
17
17
15996 Number Magic II   27 26.28
26
17
15995 Self Numbers   16 904 38.32
12
6
15994 Boxes of Chocolate   1 92 24.72
17
17
15980 Ascending Fibonacci Numbers   23 807 17.23
17
13
15965 PLAY WITH MATH   60 6904 46.49
4
5
15963 Help Donn   1 95 42.42
1
9
15961 MAXSET   1 48 34.74
17
17
15914 Update Sub-Matrix & Query Sub-Matrix   2 96 35.79
23
28
15892 Cave   1 16 16.42
17
34
15891 Prime Generator The Easiest Question Ever   13 1182 46.49
3
8
15867 Great Warrior   2 128 66.67
13
13
15864 SUMMING   2 10 8.45
17
26
15851 Permutations   1 18 32.93
17
17
15850 Game   1 61 41.09
1
34
15849 Find the Treasure   11 696 23.72
12
10
15847 Equalize the Sectors   5 159 59.85
10
27
15827 Vending Machine   2 36 8.81
6
17
15783 Coder Express 3!!   46 1276 47.77
9
10
15769 Enjoy Adding GP to Series   2 63 26.67
28
34
15766 Enjoy Sum with Operations   15 377 27.21
20
26
15736 Breaking String   18 779 37.79
17
28
15735 Balanced Food   1 10 19.61
15734 California Jones and the Gate to Freedom   1 38 54.12
34
34
15733 Hall of Fountains   3 22 50.35
17
23
15728 The Sierpinski Fractal   6 120 27.00
13
9
15671 Product of factorials (medium)   1 23 28.65
34
1
15655 Product of factorials   20 1346 23.50
19
19
15650 Dark roads   27 1575 36.53
10
10
15649 Unequalled Consumption   1 14 23.53
17
34
15648 Commando   26 869 33.51
27
34
15637 Mr Youngs Picture Permutations   1 712 43.17
17
17
15636 Histology Assistant   10 22.37
17
17
15634 Lennys Lucky Lotto Lists   11 239 31.74
7
14
15631 On the Plus Side   4 43 32.26
12
17
15627 Create Collections   11 1611 33.70
9
9
15621 Tie the Rope   4 93 22.31
17
14
15620 Postering   16 736 33.99
16
21
15609 Spiky Mazes   22 1056 35.12
15
12
15577 Blockade   2 515 44.36
17
17
15576 Aesthetic Text   16 22.08

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