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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
147 Tautology   2 778 37.37
9
9
153 Balancing the Stone   2 329 33.03
17
23
185 Chase   2 221 24.80
1
26
187 Flat broken lines   2 105 39.78
9
17
188 Rectangles   2 187 12.83
17
23
196 Musketeers   2 510 30.46
17
34
208 Store-keeper   2 135 15.52
34
26
217 Soldiers on Parade   2 130 28.09
17
12
300 Cable TV Network   2 756 37.84
24
30
329 Calls   2 129 29.63
1
17
359 Alpha Centauri Tennis   2 1755 50.27
3
8
367 Empodia   2 165 27.51
17
26
384 Any fool can do it   2 389 32.52
17
17
408 Jill Rides Again   2 971 34.26
9
9
422 Transposing is Even More Fun   2 316 26.08
28
39
449 Simple Numbers with Fractions Conversion   2 37 15.96
17
17
681 Building the Tower   2 105 20.11
17
12
687 Repeats   2 982 25.39
30
38
688 Toy Cars   2 647 18.52
12
20
693 Lethal Warfare   2 365 46.51
6
12
707 Triple-Free Sets   2 211 39.21
23
34
898 Transmitters   2 338 49.14
28
17
962 Intergalactic Map   2 569 23.41
19
28
1024 Complete Chess Boards   2 536 54.96
17
20
1031 Up Subsequence   2 734 32.60
15
10
1325 Partial Sums   2 225 24.79
9
1
1326 A Chase In WonderLand   2 412 13.56
6
1
1431 Projections Of A Polygon   2 122 10.39
12
6
1433 The Sum   2 311 17.71
39
30
1465 On the Way to Find Chris   2 62 15.35
23
23
1505 Whac-a-Mole   2 44 15.97
34
9
1681 Cylinder   2 927 38.24
9
26
1696 Will Indiana Jones Get There   2 129 27.69
26
17
1730 Counting Triangles II   2 404 20.82
17
17
1741 Tetris 3D   2 191 32.52
26
42
1748 Sequence Partitioning II   2 60 24.76
26
34
1771 Yet Another N-Queen Problem   2 326 24.55
23
28
1785 Code   2 231 26.44
26
30
1794 Greedy Hydra II   2 76 18.57
26
26
1797 Cardsharper   2 7 22.06
34
45
1804 Genetic Code   2 268 47.34
12
28
1839 The Bookcase   2 131 37.88
17
34
1866 Making Pals   2 203 43.86
9
17
1873 Accumulate Cargo   2 91 26.79
34
9
1876 Dragon Curves   2 176 50.23
1
17
1881 Instruction Decoder   2 668 50.81
17
17
1965 Set Cover   2 25 10.92
1
17
2000 Boxes (Hard)   2 17 2.95
26
34
2038 Rectangle Tiling   2 116 41.61
1
1
2055 Weird Numbers   2 346 35.99
17
17

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