list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1754 Divisor Summation (Hard)   13 488 16.17
20
19
1771 Yet Another N-Queen Problem   2 309 26.60
17
34
1772 Find The Determinant II   50 24.06
1774 All Discs Considered   5 479 28.57
31
23
1775 Boolean Logic   1 72 42.75
17
17
1776 DNA Laboratory   1 90 11.93
34
34
1784 IOICamp Sequence   1 307 12.81
1
17
1785 Code   185 25.37
1786 In Danger   37 3757 53.31
7
13
1787 Run Length Encoding   3 816 19.76
17
6
1788 Fractan   39 31.22
1789 Huffman´s Greed   1 80 48.65
17
34
1790 Binary Search Heap Construction   3 237 23.26
21
24
1793 Text Generater II   49 29.89
1794 Greedy Hydra II   1 51 15.29
34
17
1797 Cardsharper   2 2.53
42
42
1798 Assistance Required   8 2127 45.31
17
6
1799 The Bottom of a Graph   38 1298 31.48
21
21
1800 Fixed Partition Contest Management   57 34.27
1801 Drink, on Ice   505 43.10
9
9
1802 Edge   2 406 60.53
1
9
1803 Fold   56 41.56
1804 Genetic Code   1 253 47.76
17
34
1805 Largest Rectangle in a Histogram   117 4224 32.08
17
23
1810 Nuclear Plants   17 13.47
1811 Longest Common Substring   12 1297 23.64
20
20
1812 Longest Common Substring II   6 740 25.07
28
23
1815 Problems Collection (Volume X)   74 7.18
1825 Free tour II   397 17.93
1833 Sudoku   40 31.51
1835 The SetStack Computer   1 126 28.70
26
17
1837 Pie   27 2116 37.64
16
14
1838 Ticket to Ride   54 39.20
1839 The Bookcase   1 106 35.59
1840 Printer Queue   14 2083 49.89
12
9
1841 Prime Path   148 4748 62.72
19
17
1842 Lineland Airport   26 16.31
1843 Leonardo Notebook   2 293 33.04
17
34
1845 Mice and Maze   50 3390 35.79
9
9
1846 Project File Dependencies   23 1877 42.39
14
14
1847 No Change   25 1473 36.08
8
15
1865 Making Waves   172 43.42
26
9
1866 Making Pals   1 190 43.03
17
17
1868 Making Money   3 758 36.56
12
1
1869 Making Mountains Out Of Molehills   1 13 17.35
34
17
1870 Making Labels   -4 1592 59.47
1
9
1871 Making A Budget   10 685 50.64
11
14
1873 Accumulate Cargo   1 82 26.33
34
1
1874 Burrows Wheeler Precompression   1 328 41.97
17
17
1875 Cool Numbers   4 143 32.33
34
30

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