list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
26743 Wonowon   6 148 66.23
11
11
8596 Wood, Axe and Grass   4 520 57.84
17
11
3937 Wooden Sticks   9 681 36.97
23
28
3638 Word Counting   7 2643 21.08
10
6
21096 Word Counting 2   3 175 29.70
34
17
179 Word equations   188 21.95
9
9
413 Word Puzzles   4 377 18.26
30
14
2885 Word Rings   2 403 15.79
17
34
8750 Wordplay   4 99 26.48
17
34
4881 Words on graphs   108 11.94
34
10071 Working at the Restaurant   39 40.38
9503 Working in Beijing   3 645 49.07
6
6
15061 World Cup 2010   28 42.67
7972 World of cubes   37 16.88
15360 World Record Lunch   23 12.41
13051 Wormtongues Mind   3 69 51.96
17
34
11707 Wrong directions   2 50 30.81
39
34
899 Ws Cipher   6 842 38.43
14
15
13805 X-MEN   16 922 27.83
17
19
34929 x-Xor It!   10 358 27.87
20
17
9687 Xavier is Learning to Count   1 46 20.05
39
39
9516 XOR Equations   18 20.00
12726 XOR Game   5 541 43.97
11
13
8217 XOR Maximization   48 1755 23.17
17
28
5833 XOR Rounds   2 360 30.83
9
13
17819 XYI   4 360 38.55
17
9
4672 Yanu in Movie theatre   13 1725 44.85
2
28
15038 Yell Classico   3 214 38.37
17
1
6819 Yet Another Assignment Problem   1 42 11.26
1
12802 Yet Another Counting Problem   13 46.77
15453 Yet Another Electronic Device!!!   1 89 47.88
1739 Yet Another Equation   237 41.51
9842 Yet Another Fancy Game   6 243 23.64
7
32
3208 Yet Another Longest Palindrome Problem   69 14.04
12809 Yet Another Mathematical Problem   2 55 43.74
17
26
12810 Yet Another Multiple Problem   9 333 22.69
21
23
1771 Yet Another N-Queen Problem   2 326 24.55
23
28
36861 Yet Another Perfect Square Equation   9 61 31.97
11
19
5979 Yet Another Permutations Problem   5 1358 49.53
7
15
8836 Yet Another Sequence Problem   78 23.49
21061 Yet Another Subset Sum Problem   2 48 34.44
50
50
34973 Yet Another Subset Sum Problem   2 4 2.56
26
34
28798 Yet Another Xor Sequence   9 116 46.56
9
13
12808 Yet-Yet Another Counting Problem   2 48 64.13
17
34
22531 Yo Yo Jagdish Singh   5 115 44.29
12
12
3385 Yoda Goes Palindromic !   3 586 30.53
17
17
6294 Yodaness Level   74 3576 49.31
15
16
23806 Yossy, The King of IRYUDAT   3 48 5.51
28
39
25417 You Win!   2 35 35.16
17
17
14831 Your Rank is Pure   2 102 49.01
34

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