list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1754 Divisor Summation (Hard)   17 651 16.57
20
20
1771 Yet Another N-Queen Problem   2 319 26.18
17
34
1772 Find The Determinant II   50 23.96
1774 All Discs Considered   6 495 28.82
31
24
1775 Boolean Logic   1 72 42.75
17
17
1776 DNA Laboratory   2 100 12.32
34
26
1784 IOICamp Sequence   1 313 12.98
1
17
1785 Code   2 197 25.90
34
42
1786 In Danger   42 4070 54.01
8
13
1787 Run Length Encoding   6 834 19.68
15
4
1788 Fractan   40 31.39
1789 Huffman´s Greed   1 81 48.66
17
34
1790 Binary Search Heap Construction   5 281 23.69
21
24
1793 Text Generater II   52 29.79
1794 Greedy Hydra II   1 62 17.69
34
17
1797 Cardsharper   2 2.44
42
42
1798 Assistance Required   11 2200 45.60
16
7
1799 The Bottom of a Graph   46 1528 32.62
21
21
1800 Fixed Partition Contest Management   58 34.10
1801 Drink, on Ice   515 43.16
9
9
1802 Edge   3 413 60.98
6
12
1803 Fold   56 41.83
1804 Genetic Code   2 262 48.43
17
26
1805 Largest Rectangle in a Histogram   178 5728 31.20
18
24
1810 Nuclear Plants   19 14.12
1811 Longest Common Substring   23 1622 26.86
21
18
1812 Longest Common Substring II   7 922 25.76
29
23
1815 Problems Collection (Volume X)   74 7.18
1825 Free tour II   1 423 18.94
17
34
1833 Sudoku   1 42 31.61
34
34
1835 The SetStack Computer   1 135 29.72
26
17
1837 Pie   48 2675 36.29
17
16
1838 Ticket to Ride   61 39.60
1839 The Bookcase   1 115 35.97
1840 Printer Queue   19 2409 50.00
13
8
1841 Prime Path   243 6234 62.73
19
17
1842 Lineland Airport   29 17.43
1843 Leonardo Notebook   3 311 34.28
17
34
1845 Mice and Maze   70 4351 36.44
9
9
1846 Project File Dependencies   23 2016 42.59
14
15
1847 No Change   32 1578 36.11
9
15
1865 Making Waves   180 43.63
26
9
1866 Making Pals   2 196 43.79
17
17
1868 Making Money   4 771 36.73
9
6
1869 Making Mountains Out Of Molehills   1 13 17.17
34
17
1870 Making Labels   -2 1625 59.61
2
10
1871 Making A Budget   13 770 48.90
13
17
1873 Accumulate Cargo   2 85 27.00
34
9
1874 Burrows Wheeler Precompression   1 415 34.21
17
26
1875 Cool Numbers   4 148 31.44
34
30

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