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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
142 Johnny and the Glue   110 38.36
17
17
149 Fencing in the Sheep   3 102 12.99
34
17
160 Choosing a Palindromic Sequence   98 32.39
17
17
174 Paint templates   1 60 38.04
9
17
187 Flat broken lines   2 105 39.78
9
17
201 The Game of Polygons   1 256 39.01
1
17
207 Three-coloring of binary trees   16 887 36.10
20
17
211 Primitivus recurencis   286 27.94
1
17
234 Getting Rid of the Holidays (Act I)   100 13.81
17
17
239 Tour de Byteland   1 91 24.45
17
17
290 Polynomial Equations   66 21.91
17
17
309 The Room Pattern   1 48 14.99
34
17
329 Calls   2 129 29.63
1
17
334 The Philosophical Dispute   62 37.31
17
17
336 Exchange Operations   1 90 20.00
1
17
349 Around the world   1 91 25.66
17
17
362 Ignore the Garbage   1 425 43.75
1
17
374 Count maximum matrices   241 20.85
1
17
382 Decorate the wall   216 34.95
1
17
384 Any fool can do it   2 389 32.52
17
17
391 Railroads   90 17.63
17
17
392 Spin   44 26.63
1
17
398 Roll Playing Games   121 14.67
34
17
405 Tin Cutter   141 29.59
17
17
407 Random Number   48 29.13
17
17
409 DEL Command   1 79 17.60
17
17
414 Equatorial Bonfire   1 79 28.90
34
17
449 Simple Numbers with Fractions Conversion   2 37 15.96
17
17
479 Permutation generator   1 135 28.24
21
17
484 Fossil in the Ice   453 22.40
34
17
698 Plane Hopping   1 289 25.31
17
702 Barn Expansion   157 23.54
1
17
734 Ivan and his interesting game   232 32.93
17
17
898 Transmitters   2 338 49.14
28
17
904 Image Perimeters   3 335 59.38
17
17
912 Submatrix of submatrix   1 174 27.01
34
17
944 Free Tour   19 3.72
34
17
972 Birthday   126 18.75
17
17
987 Mobile   76 16.14
17
17
1166 Dead Fraction   324 23.42
12
17
1335 Maze   67 17.90
17
17
1391 Summing to a Square Prime   16 1429 53.97
12
17
1420 Geometry and a Square   1 276 34.08
9
17
1448 3D Cover   3 100 27.12
28
17
1454 Memory Distribution   27 18.00
34
17
1455 Program Analyser   29 14.57
34
17
1456 The Secret of a Lost City   23 24.17
17
17
1457 Help Blue Mary Please! (Act I)   13 1.74
34
17
1463 Robot Number M   80 46.91
1
17
1464 Editor II   65 18.83
17
17

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