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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10814 Unique Paths   130 46.01
11574 A Famous Stone Collector   3 130 36.03
9
23
11851 Power with Combinatorics(HARD)   1 130 13.20
34
39
20846 Interesting Selection   5 130 44.09
13
26
21395 Ohani And Binary Search Tree   -1 130 36.05
50
17
22337 Stick values   12 130 41.66
21
23
25309 Save Area 11   14 130 31.05
5
6
27379 Unique Code   22 130 19.74
21
21
28163 OR   11 130 22.10
20
20
30756 Ada and Numbering   10 130 17.50
34
34
19 The Bytelandian Cryptographer (Act III)   1 129 34.05
17
26
329 Calls   2 129 29.63
1
17
1696 Will Indiana Jones Get There   2 129 27.69
26
17
6826 Hacking   6 129 14.00
21
26
7335 Spheres   3 129 9.54
17
39
9941 GRE Words   2 129 20.70
34
34
19148 Kill them All   3 129 23.60
28
34
27496 Again Eid Salami   3 129 45.57
23
34
3833 Tresnja   1 128 52.33
42
42
3922 Mystical River   128 25.67
4559 A Day at the Races   128 17.79
4666 Wireless   1 128 37.02
17
17
7022 Cow Patterns   3 128 26.15
28
28
12357 Subset and upset (HARD)   4 128 40.62
21
21
14822 Battleships   3 128 30.23
17
17
15867 Great Warrior   2 128 66.67
13
13
27369 Gupta ji Birthday !!   9 128 32.68
19
19
25783 Highly Spiritual Baba   10 127 31.99
19
19
760 Convex Hull 3D   126 41.31
872 Mark-up   126 30.18
34
9
972 Birthday   126 18.75
17
17
2940 Untitled Problem II   126 15.45
34
8391 The Ball   3 126 10.63
28
23
8844 Detection of Extraterrestrial   126 36.51
16758 Divisible by 6 and 9   -1 126 36.28
21
13
17406 Cheating a Boolean Tree   5 126 35.34
23
15
4197 Dominoes   4 125 23.08
23
23
8793 Separate Points   4 125 24.17
17
17
8850 Juice Extractor   1 125 16.41
17
17
11458 Ninja   125 15.62
13405 MayanCalendar   5 125 55.48
8
8
3897 Convex Polygons   2 124 30.86
17
34
4948 Integer Factorization (29 digits)   8 124 14.80
40
34
5725 123 Sequence   2 124 24.09
1
1
10110 Guess the Numbers   124 44.36
17
17
13044 Dyslexic Gollum   3 124 29.11
23
28
18466 A Frightening Evening   1 124 29.53
1
1
25779 Cinema Conundrum   11 124 35.90
10
10
33820 Ada and Game of Divisors   4 124 46.30
24
24
34685 Playing With Subarray   13 124 37.53
21
17

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