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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
26319 I LOVE Kd-TREES   11 228 41.63
20
25
15438 Valences   11 1281 41.62
4
7
2038 Rectangle Tiling   2 116 41.61
1
1
37388 Balls and Queries   9 60 41.61
7
11
8057 Square Free Factorization   16 1446 41.59
7
15
4523 Binomial Coefficients   210 41.58
23
12
26978 Hofstadter–Conway 10000 dollar sequence   1 11 41.57
17
34
1710 Two Ends   115 3790 41.56
18
17
10605 Counting Formations   2 17 41.54
34
34
1739 Yet Another Equation   237 41.51
27218 Segmentation   6 35 41.50
23
28
4306 The way to Bytemountain   1 35 41.49
34
34
301 Booklets   -1 190 41.49
1
1
32943 Ada and Unstable Sort   10 594 41.47
5
8
7558 D - Alphabetomials   14 41.46
17 The Bytelandian Cryptographer (Act I)   9 1391 41.45
15
26
25067 Fibonacci Polynomial   8 238 41.45
11
19
4412 Factorization, Factorization, Factorization   1 56 41.44
5637 LL and ErBao   5 41.43
26017 GCD OF MATRIX   2 335 41.42
23
34
780 The Archipelago   40 41.41
34
26
4203 Double Queue   1 84 41.38
17
17
35674 COLORFUL ARRAY   65 1787 41.38
20
21
27217 Minimum Sum   13 189 41.37
16
12
12436 The One-Dimensional Pool Table   1 63 41.35
1
34
3961 Journey with Pigs   133 41.31
760 Convex Hull 3D   126 41.31
13626 Charu and Coin Distribution   7 419 41.31
10
20
31972 Ada and Power   5 65 41.29
17
17
19295 The dilemma of Idli   30 41.28
20980 Chicken Joggers   1 19 41.27
17
17
32791 Billi and Kaddu   2 39 41.26
26
34
11179 Korra in the Spirit World   26 41.24
2727 Army Strength   40 14567 41.23
4
4
15215 David and his Obsession   5 429 41.23
12
9
14891 Good Debugging   4 60 41.22
21
17
32840 Ada and Digits   15 182 41.20
20
18
11904 A Classic Myth - Flatland Superhero   11 41.18
36937 Random Magic Trick   5 19 41.18
26
34
4908 Run-Length Mathematics   6 721 41.17
13
1
31290 Math is Love   16 1213 41.15
6
5
20979 Good   6 90 41.13
17
26
4227 "Shortest" pair of paths   3 214 41.11
23
17
1846 Project File Dependencies   25 2150 41.10
14
15
7742 Onotole needs your help   138 10152 41.10
4
11
10676 0110SS   26 1772 41.09
13
9
15850 Game   1 61 41.09
1
34
20689 WA,RTE and Placements   1 28 41.08
34
34
28632 Ghost Town   11 291 41.07
23
10
148 Land for Motorways   3 215 41.02
17
21

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