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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9086 Formula 3D   6 21.21
9096 Bob and magical scale   3 65 25.46
26
34
9097 Derangements HARD   1 83 51.45
1
17
9098 Long Common Subsequence   2 190 35.96
34
17
9103 Special Numbers   8 754 30.06
14
16
9104 Match the words   3 411 50.13
9
17
9117 Faculty Dividing Powers   11 369 22.52
17
17
9118 Genetic Fraud   150 29.73
9119 Indiana Jones and the lost Soccer Cup   8 376 29.00
11
13
9120 Magic Star   2 171 52.51
34
1
9121 Magical Crafting   56 46.69
9122 Diary   4 1059 35.63
12
3
9123 Security Zone   35 26.87
9124 Sightseeing   116 17.61
9125 Suiting Weavers   84 29.38
9126 Time to live   48 2028 37.63
12
15
9137 Pyramid Sums   92 34.78
34
17
9138 Pyramid Sums 2   2 106 33.85
23
34
9161 Legendre symbol   184 45.30
9
9
9185 TORNJEVI   10 218 33.14
26
26
9190 Perfect Maze   31 1.73
9199 Circular Track   30 3340 40.27
7
14
9213 Mafia   2 50 23.24
17
26
9219 Nikhil Problem   2 223 46.31
17
17
9242 B Beware, the end of the world   1 31 24.63
17
17
9255 Publication   3 38 61.63
23
17
9260 Perfect Road   12 16.55
17
17
9331 DCD   62 51.50
17
1
9334 Point in tetrahedron   2 139 57.37
9
17
9340 Arbitrage   37 1841 39.40
12
17
9367 Segment Flip   1 85 10.33
34
34
9378 Landfill   62 46.91
9382 Complan Carnival   35 36.92
9385 Strictly not a Prime   9 363 28.62
17
12
9386 Re-Arrange II   9 270 44.49
21
17
9387 Special String   11 1100 39.50
6
19
9430 The game of 31   161 38.95
13
17
9433 Buzzwords   1 76 35.89
26
26
9434 New Horizons   11 31.75
9440 To Add or to Multiply   15 14.71
9443 Trial of Doom   1 31 51.52
17
34
9444 Block Drop   1 24 43.02
34
34
9445 Attack of the Clones   26 50.85
9446 Shortest Circuit Evaluation   28 45.90
9447 Genetics   41 35.29
9448 Swarm of Polygons   36 35.59
9458 Ghosts having fun   8 207 11.77
17
25
9459 Connecting three towns (variation)   1 52 24.60
17
34
9489 Johny Hates Math   21 16.92
9493 Advanced Fruits   92 2240 37.46
19
16

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