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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
11473 NOS   2 188 26.28
1
50
22412 Divisors of factorial (hard)   9 188 46.50
22
22
30760 Ada and Travelling Salesman   18 188 27.13
23
29
2670 Count Minimum Spanning Trees   4 189 17.41
28
39
6377 Two Array Problem   4 189 28.02
17
26
8099 Crash´s number table   1 189 23.49
34
34
26445 Alicias Afternoon Amble   11 189 57.07
20
26
27217 Minimum Sum   13 189 41.37
16
12
301 Booklets   -1 190 41.49
1
1
3983 Right Triangle Counting   3 190 17.72
30
21
9161 Legendre symbol   190 45.42
9
9
17125 Thor vs Frost Giants   1 190 28.28
39
28
1741 Tetris 3D   2 191 32.52
26
42
1865 Making Waves   -1 191 43.75
17
6
3935 SHIFT Operator on Matrix   191 42.38
1552 Mobiles   192 28.32
28
23
10235 Array Diversity   1 192 23.96
19145 Digo Needs Guns   -1 192 51.59
26
26
19576 Popeye and the magical land   192 50.32
17
1
25283 ChickenLove   5 192 18.69
15
20
4429 Spelling Lists   2 194 32.41
17
34
4839 Ant   3 194 38.89
23
28
5010 Lost in Madrid   1 194 31.49
1
1
6829 Polynomial   2 194 30.39
17
17
10463 COUNT PAREN   4 194 60.61
20
21
3889 Closest Number   1 195 30.29
34
26
4198 Lego   5 195 25.35
24
22
14893 Good Inflation   17 195 28.52
30
34
397 I Conduit   3 196 15.56
21
21
1461 Greedy Hydra   3 196 33.33
27
30
8732 Best Fit   1 196 30.84
11582 A Famous Grid   3 196 16.90
17
17
13041 The Black Riders   6 196 40.10
17
34
1470 Another Sequence Problem   3 197 24.56
42
26
36423 One Eight_Nine   3 197 36.11
3
9
11386 Recycled Numbers   1 198 31.86
13078 The Mad Numerologist   1 198 32.65
17
17
735 Minimum Diameter Spanning Tree   1 199 34.41
17
30
4644 Proving Equivalences   1 199 28.66
17
17
9098 Long Common Subsequence   2 199 36.64
34
17
20196 The Magical Bag   3 199 38.44
34
34
6488 Printing some primes (Hard)   11 200 15.38
35
29
10711 VUK   6 200 54.47
20
23
28598 Beautiful Factorial Game   14 200 30.14
17
17
32947 Ada and Trees   18 200 33.45
14
18
4988 Madrids One Way Streets   5 201 29.00
15
15
30116 Can you draw it or not?   16 201 38.49
5
9
1685 Grocery store   -1 202 24.26
17
17
6325 Many polygons   3 202 26.44
12
17
12352 HNumbers   2 202 27.56
23
42

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