list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1802 Edge   3 417 59.70
6
12
1803 Fold   57 41.94
1804 Genetic Code   2 262 47.35
17
26
1805 Largest Rectangle in a Histogram   226 8275 27.86
18
23
1810 Nuclear Plants   21 13.83
1811 Longest Common Substring   34 3187 21.59
20
18
1812 Longest Common Substring II   15 1878 17.85
31
28
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
1837 Pie   60 3893 30.27
18
15
1838 Ticket to Ride   81 40.15
1839 The Bookcase   1 122 36.09
1840 Printer Queue   26 2886 47.63
14
9
1841 Prime Path   336 10434 57.97
19
18
1842 Lineland Airport   32 18.87
1843 Leonardo Notebook   3 362 33.99
17
34
1845 Mice and Maze   100 5440 36.06
10
10
1846 Project File Dependencies   25 2140 41.05
14
15
1847 No Change   37 1672 36.21
11
14
1865 Making Waves   185 43.07
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 1687 59.49
2
10
1871 Making A Budget   15 867 48.48
13
15
1873 Accumulate Cargo   2 86 26.26
34
9
1874 Burrows Wheeler Precompression   1 421 33.97
17
26
1875 Cool Numbers   6 164 30.38
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   4 164 16.40
34
28
1961 Roman Roads   1 97 30.58
9
17
1962 Circles   57 19.46
1963 Image Projections   104 32.61
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 1896 47.47
11
19
2007 Another Very Easy Problem! WOW!!!   17 760 39.04
13
28
2008 Dab of Backpack   17 668 23.62
21
17
2009 Cryptography   1 142 4.80
1
34

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