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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
515 Collatz   1 444 43.47
1
5
518 Zig-Zag Permutation   1 42 31.02
26
26
684 Another Assignment Problem   1 103 12.40
34
1
687 Repeats   1 931 25.17
34
39
688 Toy Cars   1 584 17.96
11
17
695 Unite Fast   1 129 27.29
9
9
696 Truth or not   1 271 21.77
1
1
698 Plane Hopping   1 288 25.61
17
699 Huge Knap Sack   1 139 24.94
9
9
707 Triple-Free Sets   1 175 40.73
17
34
733 Mountain Walking   1 753 25.44
34
26
735 Minimum Diameter Spanning Tree   1 184 33.92
17
30
738 Another Counting Problem   1 225 40.41
1
1
912 Submatrix of submatrix   1 166 26.16
34
17
996 Continuous Fractions   1 275 37.40
9
9
1001 Babylonian Roulette   1 657 50.10
13
13
1420 Geometry and a Square   1 269 33.99
9
17
1441 The Clever Typist   1 34 9.63
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   1 125 19.23
28
39
1480 Let us count 1 2 3   1 73 14.72
1
34
1484 Search in XML   1 12 2.45
17
17
1526 Ranklist Sorting   1 23 12.09
17
34
1644 Trees   1 35 14.50
34
34
1675 Fusion Cube   1 79 49.18
1
26
1687 Logic II   1 24 12.45
34
34
1695 Grandpa’s Rubik Cube   1 110 60.61
1698 Polygonal Line Search   1 157 61.94
17
17
1731 Counting Triangles III   1 263 33.76
1741 Tetris 3D   1 168 32.65
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 12.68
1
17
1789 Huffman´s Greed   1 86 45.12
17
34
1801 Drink, on Ice   1 519 43.04
9
9
1825 Free tour II   1 545 14.17
17
34
1833 Sudoku   1 49 32.22
34
34
1835 The SetStack Computer   1 157 27.89
26
17
1839 The Bookcase   1 122 36.09
1869 Making Mountains Out Of Molehills   1 14 15.93
34
17
1874 Burrows Wheeler Precompression   1 421 33.97
17
26
1878 Farmers Cattle   1 57 37.62
34
34
1879 Game Time   1 101 22.59
34
34
1961 Roman Roads   1 97 30.58
9
17
1991 Another Continuous Fractions Problem   1 82 19.89
34
17
2009 Cryptography   1 142 4.80
1
34
2054 Gates of Logic   1 38 24.28
17
17
2056 Rectangular Polygon   1 134 47.94
1
17
2131 Get Back!   1 53 40.00
17
17

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