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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9086 Formula 3D   6 10.77
9096 Bob and magical scale   3 69 25.44
26
34
9097 Derangements HARD   1 111 51.72
1
17
9098 Long Common Subsequence   2 194 36.26
34
17
9103 Special Numbers   8 758 30.05
14
16
9104 Match the words   3 415 50.17
9
17
9117 Faculty Dividing Powers   11 372 22.52
17
17
9118 Genetic Fraud   151 29.51
9119 Indiana Jones and the lost Soccer Cup   8 377 29.04
11
13
9120 Magic Star   2 172 52.65
34
1
9121 Magical Crafting   57 47.13
9122 Diary   4 1064 35.71
12
3
9123 Security Zone   36 27.00
9124 Sightseeing   116 17.61
9125 Suiting Weavers   87 29.96
9126 Time to live   48 2038 37.70
12
15
9137 Pyramid Sums   93 34.47
34
17
9138 Pyramid Sums 2   2 107 33.70
23
34
9161 Legendre symbol   188 45.35
9
9
9185 TORNJEVI   10 221 33.57
26
26
9190 Perfect Maze   31 1.73
9199 Circular Track   30 3348 40.31
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   12 14.65
17
17
9331 DCD   63 50.29
17
1
9334 Point in tetrahedron   2 141 57.64
9
17
9340 Arbitrage   37 1892 39.48
12
17
9367 Segment Flip   1 88 10.50
34
34
9378 Landfill   64 44.08
9382 Complan Carnival   35 34.53
9385 Strictly not a Prime   9 366 28.59
17
12
9386 Re-Arrange II   9 272 44.42
21
17
9387 Special String   11 1107 39.60
6
19
9430 The game of 31   165 39.30
13
17
9433 Buzzwords   1 82 34.71
26
26
9434 New Horizons   11 31.75
9440 To Add or to Multiply   15 14.02
9443 Trial of Doom   1 30 41.25
17
34
9444 Block Drop   1 25 20.66
34
34
9445 Attack of the Clones   26 47.62
9446 Shortest Circuit Evaluation   29 34.94
9447 Genetics   42 34.72
9448 Swarm of Polygons   36 31.21
9458 Ghosts having fun   9 217 12.05
16
24
9459 Connecting three towns (variation)   1 53 24.42
17
34
9489 Johny Hates Math   21 16.30
9493 Advanced Fruits   92 2251 37.47
19
16

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