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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
19971 100pct failure in 72 hours   1 8 42.86
17
50
41044 UkÅ‚adanie kart - Card stacking   1 32 42.86
17
17
31052 PLAYGAME   6 717 42.82
3
4
8318 color the balls   69 42.80
50
50
660 Dungeon of Death   14 1355 42.80
13
26
8842 Boring Homework   3 154 42.75
17
17
14 I-Keyboard   8 1312 42.75
24
21
740 Treats for the Cows   261 8632 42.74
13
14
6041 Mountain Walking   3 481 42.72
9
1
8044 Fantastic Discovery   3 314 42.70
14
14
4181 MELE3   19 617 42.70
20
21
16554 Linearian Colony   12 866 42.70
11
12
19561 New Binary   7 298 42.68
13
26
15061 World Cup 2010   28 42.67
1801 Drink, on Ice   1 522 42.66
9
9
3003 Median Filter   2 21 42.66
34
34
3407 Candy   31 1371 42.66
12
20
12323 Minimum Knight moves !!!   133 8721 42.65
15
11
13980 Sudoku goblin   2 83 42.62
42
34
15088 Ancient Aliens   5 42.62
34
1
22535 String Play   5 46 42.62
21
21
5011 Library for Madrid   59 42.62
17
17
14664 Shared cathetus (easy)   3 112 42.61
17
23
40672 Where Proofless Assumption Fails   4 70 42.61
9
9
15149 play with prime numbers (III)(hard )   6 29 42.60
34
28
10105 Alphabet Soup   31 42.57
4558 I Speak Whales   188 42.51
17
17
237 Sums in a Triangle   -13 3593 42.51
28
10
3831 Lubenica   1 204 42.50
17
17
4212 Another Longest Increasing Subsequence Problem   14 42.50
21352 Avantgarde and Bicycle   29 42.50
14888 Good Predictions   17 1102 42.50
6
10
11962 Arya Rage   4 327 42.46
17
26
7208 Black or White   58 1482 42.45
16
19
351 Ha-noi!   386 42.45
1
1
3693 Maximum Sum   59 6627 42.45
19
18
9378 Landfill   70 42.44
15963 Help Donn   1 95 42.42
1
9
7422 Escape from Jail Again   7 460 42.40
30
32
3935 SHIFT Operator on Matrix   191 42.38
12893 Short Select   1 47 42.38
3969 M&M Game   12 1321 42.35
4
17
3307 Hex Tile Equations   1 37 42.34
15312 Annoying Coins Quest   1 30 42.32
17
34
118 Rhombs   113 42.32
1
34
1182 Sorted bit squence   296 42.31
17
1
9504 Paint on a Wall   1 26 42.31
34
26
4452 Simple Arithmetics II   55 7514 42.29
11
5
6356 Rock-Paper-Scissors-Lizard-Spock   2 178 42.29
12
23
34610 Sharmeen Loves Mozahid Loves Sharmeen [ HARD ]   14 168 42.29
6
6

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