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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2882 The Warehouse   1 27 30.66
34
17
3006 Connect Line Segments   1 79 24.38
17
17
3023 Binary multiplication   3 229 25.04
17
17
3106 Dictionary Subsequences   3 171 18.58
17
17
3110 Palindromic Number   3 102 21.22
9
17
3308 The Bridges of San Mochti   2 68 56.25
17
17
3310 Serial Numbers   1 35 29.84
34
17
3314 Umnozak   115 30.02
42
17
3322 Doubled Numbers   2 169 49.36
17
17
3361 Cavli   1 43 43.20
17
17
3362 Setnja   2 249 21.47
9
17
3376 Parking Lot   1 143 20.40
17
17
3382 Monster Trap   1 32 24.06
34
17
3385 Yoda Goes Palindromic !   3 586 30.53
17
17
3388 Double Near Palindromes   1 456 34.21
17
17
3413 Traveling Shoemaker Problem   1 77 17.32
26
17
3459 SkyScrapers   3 375 38.37
17
17
3492 Braille Transcription   16 14.16
17
17
3591 Patting Heads   3 659 35.33
17
17
3732 Slikar   1 213 52.05
28
17
3754 MAJMUN   1 77 40.47
17
17
3831 Lubenica   1 204 42.50
17
17
3832 Kruska   4 107 46.57
17
17
3865 Reljef   3 94 39.09
26
17
3909 CALCULATE POW(2004,X) MOD 29   2 279 56.70
1
17
3915 Star Polygon or Not   1 40 54.74
17
17
3924 Filchs Dilemna   7 533 65.21
9
17
3933 Minimum Permutation   6 187 38.34
12
17
3964 Investment Money   15 627 25.73
16
17
3969 M&M Game   12 1321 42.35
4
17
3970 Convert to Decimal Base System   56 37.34
17
17
4061 Polygon   4 215 31.41
21
17
4176 A Knightly Pursuit   2 67 28.92
26
17
4180 Pizza Location   2 577 18.60
31
17
4203 Double Queue   1 84 41.38
17
17
4227 "Shortest" pair of paths   3 214 41.11
23
17
4310 Permutacja   4 170 38.96
12
17
4414 Highway   1 76 23.73
34
17
4416 Jumping Hands   1 212 65.75
17
17
4558 I Speak Whales   188 42.51
17
17
4568 Rotating Rings   1 298 29.72
17
17
4593 Arithmetic sequence   1 67 9.55
34
17
4644 Proving Equivalences   1 199 28.66
17
17
4657 Gas Wars   145 35.87
34
17
4658 Help Hemant Verma   1 51 14.20
9
17
4666 Wireless   1 128 37.02
17
17
4761 Strategy game   2 44 55.64
9
17
4784 Diophantine equation   3 155 40.59
26
17
5011 Library for Madrid   59 42.62
17
17
5128 Bomb the Bridge   1 46 30.80
17
17

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