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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
188 Rectangles   2 185 12.70
17
23
196 Musketeers   2 507 30.43
17
34
210 The Altars   52 15.86
17
1
217 Soldiers on Parade   2 126 28.08
17
12
229 Sorting is easy   1 118 18.25
17
1
234 Getting Rid of the Holidays (Act I)   99 13.78
17
17
239 Tour de Byteland   1 89 24.57
17
17
260 Containers   3 295 46.19
17
14
264 Corporative Network   14 610 25.36
17
19
272 Cave Exploration   40 9.78
17
1
280 Lifts   45 17.66
17
1
283 Naptime   658 26.12
17
1
290 Polynomial Equations   63 22.85
17
17
303 The Unstable Cube   1 48 27.32
17
1
334 The Philosophical Dispute   59 37.15
17
17
344 Poker   3 898 37.64
17
9
349 Around the world   1 86 25.26
17
17
367 Empodia   2 164 27.57
17
26
384 Any fool can do it   2 388 32.45
17
17
391 Railroads   88 17.40
17
17
393 Hexagon   76 48.63
17
1
399 Team Rankings   1 389 53.48
17
9
401 Translations   136 38.05
17
34
405 Tin Cutter   138 31.57
17
17
406 Logic   110 22.85
17
9
407 Random Number   46 28.51
17
17
409 DEL Command   1 77 17.28
17
17
411 Number of quite different words   4 242 33.80
17
27
419 Transposing is Fun   1 305 37.00
17
26
421 Another Road Problem   69 24.77
17
34
449 Simple Numbers with Fractions Conversion   2 36 15.81
17
17
481 Roots of polynomial   43 26.59
17
34
677 A place for the brewery   217 28.18
17
1
681 Building the Tower   2 102 20.03
17
12
700 Branch Prediction   78 19.04
17
1
709 The day of the competitors   38 1564 28.80
17
27
734 Ivan and his interesting game   231 32.99
17
17
735 Minimum Diameter Spanning Tree   1 194 34.26
17
30
871 Letter Sequence Analysis   3 108 43.03
17
6
900 Split Windows   33 56.45
17
1
901 Index Generation   42 53.76
17
1
904 Image Perimeters   3 334 59.31
17
17
964 Entrapment   6 339 23.97
17
24
972 Birthday   123 18.33
17
17
987 Mobile   72 15.60
17
17
1004 Polygon Encoder   63 11.03
17
1
1024 Complete Chess Boards   2 535 54.96
17
20
1162 Tic-Tac-Toe ( II )   8 2400 30.37
17
10
1182 Sorted bit squence   295 42.25
17
1
1183 Accomodate the palace   4 554 52.71
17
34

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