list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1802 Edge   3 416 59.72
6
12
1803 Fold   56 41.83
1804 Genetic Code   2 262 47.55
17
26
1805 Largest Rectangle in a Histogram   222 8029 27.57
18
24
1810 Nuclear Plants   21 14.09
1811 Longest Common Substring   33 3042 21.20
20
18
1812 Longest Common Substring II   14 1799 17.67
29
29
1825 Free tour II   1 528 14.09
17
34
1833 Sudoku   1 48 32.02
34
34
1835 The SetStack Computer   1 154 28.94
26
17
1837 Pie   60 3786 30.36
18
15
1838 Ticket to Ride   79 39.69
1839 The Bookcase   1 121 36.17
1840 Printer Queue   26 2812 47.24
14
9
1841 Prime Path   336 10339 57.89
19
18
1842 Lineland Airport   32 18.87
1843 Leonardo Notebook   3 358 33.97
17
34
1845 Mice and Maze   99 5361 36.03
10
10
1846 Project File Dependencies   24 2138 41.06
14
15
1847 No Change   37 1671 36.23
11
14
1865 Making Waves   187 43.26
26
9
1866 Making Pals   2 201 43.68
17
17
1868 Making Money   6 793 36.62
8
4
1869 Making Mountains Out Of Molehills   1 14 15.93
34
17
1870 Making Labels   -2 1684 59.46
2
10
1871 Making A Budget   15 866 48.46
13
15
1873 Accumulate Cargo   2 87 26.25
34
9
1874 Burrows Wheeler Precompression   1 421 33.97
17
26
1875 Cool Numbers   6 164 30.42
30
34
1876 Dragon Curves   2 174 50.12
1
17
1877 Enrich my purse   152 27.14
1878 Farmers Cattle   1 57 37.62
34
34
1879 Game Time   1 101 22.59
34
34
1880 Hanoi Calls   203 55.14
1881 Instruction Decoder   2 664 50.71
17
17
1960 Rectangles   3 163 16.39
34
28
1961 Roman Roads   1 97 30.58
9
17
1962 Circles   56 18.68
1963 Image Projections   102 32.04
1964 Tree cut   146 37.95
1965 Set Cover   2 25 12.42
1
17
1966 Ski Valley   114 18.90
1991 Another Continuous Fractions Problem   1 82 19.89
34
17
2000 Boxes (Hard)   2 17 3.07
26
34
2002 Random Number Generator   97 42.09
2005 Minus Operation   8 304 33.25
30
30
2006 Load Balancing   19 1886 47.41
11
19
2007 Another Very Easy Problem! WOW!!!   17 758 39.00
13
28
2008 Dab of Backpack   17 667 23.63
21
17
2009 Cryptography   1 142 4.80
1
34

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