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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
350 Landscaping   1 91 29.91
362 Ignore the Garbage   1 417 43.67
1
17
366 Farmer   1 263 16.99
1
1
387 Travelling tours   1 304 53.89
30
34
389 Use of Hospital Facilities   1 50 11.75
34
26
399 Team Rankings   1 385 53.26
17
9
409 DEL Command   1 73 16.93
17
17
410 Variable Radix Huffman Encoding   1 173 18.96
1
1
414 Equatorial Bonfire   1 71 30.48
34
17
419 Transposing is Fun   1 274 36.34
17
26
422 Transposing is Even More Fun   1 282 25.75
26
34
479 Permutation generator   1 126 27.48
21
17
515 Collatz   1 442 43.43
1
5
518 Zig-Zag Permutation   1 42 31.02
26
26
684 Another Assignment Problem   1 103 12.41
34
1
687 Repeats   1 876 25.41
34
42
688 Toy Cars   1 556 17.67
9
17
695 Unite Fast   1 128 27.30
17
17
696 Truth or not   1 268 21.64
698 Plane Hopping   1 287 25.80
17
699 Huge Knap Sack   1 138 24.89
17
17
707 Triple-Free Sets   1 161 40.60
34
34
733 Mountain Walking   1 748 25.32
34
26
735 Minimum Diameter Spanning Tree   1 182 33.93
17
30
738 Another Counting Problem   1 224 40.38
912 Submatrix of submatrix   1 166 26.18
34
17
996 Continuous Fractions   1 274 37.37
17
17
1420 Geometry and a Square   1 268 33.93
17
34
1441 The Clever Typist   1 34 9.67
17
34
1458 Help Blue Mary Please! (Act II)   1 80 17.26
1471 A Game of Pearls   1 39 30.00
17
17
1479 The GbAaY Kingdom   1 122 19.23
28
39
1480 Let us count 1 2 3   1 70 14.65
1
34
1484 Search in XML   1 12 2.45
17
17
1526 Ranklist Sorting   1 23 12.75
17
34
1644 Trees   1 35 14.66
34
34
1675 Fusion Cube   1 79 49.18
1
26
1687 Logic II   1 24 12.50
34
34
1695 Grandpa’s Rubik Cube   1 110 60.61
1698 Polygonal Line Search   1 156 62.11
17
17
1731 Counting Triangles III   1 263 33.76
1741 Tetris 3D   1 158 32.44
34
50
1748 Sequence Partitioning II   1 54 25.26
17
34
1775 Boolean Logic   1 95 22.81
17
17
1784 IOICamp Sequence   1 318 12.73
1
17
1789 Huffman´s Greed   1 86 46.19
17
34
1801 Drink, on Ice   1 518 43.00
9
9
1825 Free tour II   1 529 14.07
17
34
1833 Sudoku   1 48 32.02
34
34
1835 The SetStack Computer   1 154 28.94
26
17

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