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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
208 Store-keeper   2 132 15.43
34
26
215 Panic in the Plazas   88 20.74
34
34
226 Jewelry and Fashion   1 20 26.69
34
50
262 Connections   1 112 28.83
34
34
278 Bicycle   61 13.58
34
1
309 The Room Pattern   1 47 14.94
34
17
369 Math I   88 25.06
34
34
385 Game schedule required   154 28.75
34
1
389 Use of Hospital Facilities   1 52 15.00
34
26
398 Roll Playing Games   120 14.62
34
17
414 Equatorial Bonfire   1 78 28.94
34
17
484 Fossil in the Ice   446 22.27
34
17
598 Increasing Subsequences   146 34.38
34
34
684 Another Assignment Problem   1 106 12.48
34
1
733 Mountain Walking   1 760 25.59
34
26
780 The Archipelago   39 41.24
34
26
861 Counting inversions   7 464 19.96
34
29
872 Mark-up   125 30.16
34
9
912 Submatrix of submatrix   1 169 26.65
34
17
1110 Sudoku   4 531 40.13
34
1
1267 Origin of Life   39 24.52
34
1
1269 CN Tower (Hard)   26 11.59
34
34
1454 Memory Distribution   26 17.59
34
17
1455 Program Analyser   28 14.23
34
17
1457 Help Blue Mary Please! (Act I)   13 1.75
34
17
1460 A Simple Calculator in the Galaxy   35 37.96
34
1468 Outside it is now raining   31 22.82
34
17
1505 Whac-a-Mole   2 42 15.73
34
9
1644 Trees   1 37 14.00
34
34
1678 Royal Treasury   -1 72 11.15
34
1
1687 Logic II   1 33 15.57
34
34
1797 Cardsharper   2 7 25.41
34
45
1833 Sudoku   1 52 30.24
34
34
1869 Making Mountains Out Of Molehills   1 15 15.45
34
17
1873 Accumulate Cargo   2 88 26.15
34
9
1875 Cool Numbers   7 166 30.07
34
34
1878 Farmers Cattle   1 57 37.07
34
34
1879 Game Time   1 101 22.21
34
34
1960 Rectangles   4 172 16.61
34
28
1991 Another Continuous Fractions Problem   1 83 19.83
34
17
2147 Root of a Linear Equation   65 8.82
34
17
2152 Hilbert Curve   1 13 16.20
34
34
2172 Ballroom Lights   1 35 33.14
34
17
2176 Finding Seats   2 222 14.95
34
34
2189 Making Pairs   1 47 16.10
34
42
2276 Partitions   1 24 12.82
34
26
2324 Mario   1 62 13.90
34
34
2420 Hospital at Hands   30 23.08
34
34
2565 Another Permutation Problem   1 57 23.17
34
17
2648 Archiver   1 46 13.70
34
50

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