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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9086 Formula 3D   6 10.45
9096 Bob and magical scale   3 72 25.87
26
34
9097 Derangements HARD   1 119 50.29
1
17
9098 Long Common Subsequence   2 195 36.39
34
17
9103 Special Numbers   8 758 30.05
14
16
9104 Match the words   3 416 50.26
9
17
9117 Faculty Dividing Powers   11 373 22.51
17
17
9118 Genetic Fraud   151 29.56
9119 Indiana Jones and the lost Soccer Cup   8 376 29.00
11
13
9120 Magic Star   2 172 52.58
34
1
9121 Magical Crafting   57 46.72
9122 Diary   4 1065 35.71
12
3
9123 Security Zone   38 27.25
9124 Sightseeing   120 17.84
9125 Suiting Weavers   90 29.39
9126 Time to live   48 2057 37.70
12
15
9137 Pyramid Sums   94 35.07
34
17
9138 Pyramid Sums 2   2 113 33.47
23
34
9161 Legendre symbol   189 45.36
9
9
9185 TORNJEVI   10 222 33.29
26
26
9190 Perfect Maze   31 1.73
9199 Circular Track   30 3349 40.30
7
14
9213 Mafia   2 53 23.93
17
26
9219 Nikhil Problem   2 225 45.97
17
17
9242 B Beware, the end of the world   1 32 25.23
17
17
9255 Publication   3 42 61.61
23
17
9260 Perfect Road   14 16.56
17
17
9331 DCD   63 51.79
17
1
9334 Point in tetrahedron   2 141 57.46
9
17
9340 Arbitrage   37 1931 39.63
12
17
9367 Segment Flip   1 88 10.57
34
34
9378 Landfill   66 43.30
9382 Complan Carnival   40 34.19
9385 Strictly not a Prime   9 366 28.59
17
12
9386 Re-Arrange II   9 274 44.28
21
17
9387 Special String   11 1108 39.62
6
19
9430 The game of 31   165 39.30
13
17
9433 Buzzwords   1 86 31.79
26
26
9434 New Horizons   11 31.75
9440 To Add or to Multiply   19 16.39
9443 Trial of Doom   1 30 30.84
17
34
9444 Block Drop   1 25 27.33
34
34
9445 Attack of the Clones   29 51.56
9446 Shortest Circuit Evaluation   29 34.94
9447 Genetics   46 33.13
9448 Swarm of Polygons   38 30.77
9458 Ghosts having fun   10 220 12.12
16
24
9459 Connecting three towns (variation)   1 55 24.18
17
34
9489 Johny Hates Math   25 6.60
9493 Advanced Fruits   92 2257 37.50
19
16

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