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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1526 Ranklist Sorting   1 27 13.01
17
34
1644 Trees   1 37 14.00
34
34
1675 Fusion Cube   1 85 50.26
1
23
1676 Text Generator   1 254 21.73
17
28
1687 Logic II   1 32 15.23
34
34
1695 Grandpa’s Rubik Cube   1 111 60.94
1698 Polygonal Line Search   1 163 62.63
9
9
1731 Counting Triangles III   1 265 33.73
1741 Tetris 3D   1 184 32.20
34
50
1748 Sequence Partitioning II   1 57 25.68
17
34
1775 Boolean Logic   1 100 23.29
17
17
1784 IOICamp Sequence   1 322 12.76
1
17
1789 Huffman´s Greed   1 89 46.19
17
34
1801 Drink, on Ice   1 522 42.66
9
9
1825 Free tour II   1 569 14.27
17
34
1833 Sudoku   1 51 29.90
34
34
1835 The SetStack Computer   1 168 28.63
26
17
1839 The Bookcase   1 128 36.33
1869 Making Mountains Out Of Molehills   1 15 15.45
34
17
1874 Burrows Wheeler Precompression   1 425 34.07
17
26
1878 Farmers Cattle   1 57 37.07
34
34
1879 Game Time   1 101 22.24
34
34
1961 Roman Roads   1 101 31.26
9
17
1991 Another Continuous Fractions Problem   1 83 19.83
34
17
2009 Cryptography   1 142 4.79
1
34
2054 Gates of Logic   1 37 24.60
17
17
2056 Rectangular Polygon   1 135 48.12
1
17
2131 Get Back!   1 55 40.67
17
17
2152 Hilbert Curve   1 13 16.99
34
34
2171 Ambiguous Codes   1 85 39.10
2172 Ballroom Lights   1 35 33.14
34
17
2173 Car Plates Competition   1 260 41.97
17
17
2179 ICPC Scoreboard   1 178 29.60
17
17
2185 Musical Optimization   1 72 42.92
2189 Making Pairs   1 47 16.23
34
42
2274 Island Hopping   1 206 25.07
17
1
2276 Partitions   1 23 12.54
34
26
2317 Bracket Sequence   1 54 22.76
26
34
2324 Mario   1 62 13.90
34
34
2419 G-Line Grid   1 4 3.85
2421 Incrementing The Integer   1 52 24.10
17
50
2529 Model Rocket Height   1 86 54.60
1
17
2531 Spatial Concepts Test   1 74 66.12
17
34
2565 Another Permutation Problem   1 57 23.17
34
17
2648 Archiver   1 46 13.70
34
50
2649 Weird sorting   1 59 25.09
1
34
2660 Example   1 12 18.60
17
17
2668 Polygon   1 66 20.10
26
34
2678 Closest distance   1 164 13.72
28
34
2743 Prefix Tiling   1 165 27.78
17
34

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