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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8991 Number Guessing Game 2   3 130 36.05
17
42
8992 A los saltos   36 30.82
8995 CANDY   9 1334 38.32
8
6
9000 Bob and his new kite factory   2 1.42
9012 Maximum Self-Matching   31 676 46.30
24
29
9030 Bob and his towers   38 31.76
9032 Cube Free Numbers   65 4127 31.66
12
11
9034 Help Tohu   12 2276 45.20
5
23
9038 Chessboard Billiard   45 24.91
9040 Tug of War   12 614 25.75
9
21
9042 HQNP Incomputable   4 45 33.55
1
9
9046 Clock Hands   2 376 22.31
34
26
9050 Tohu again   2 855 29.19
17
12
9055 Most Frequent Value   30 740 23.16
15
21
9063 Shuffling cards   17 31.65
9066 Sum of Distinct Numbers   25 334 14.29
32
32
9070 Lightning Conductor   3 541 31.74
9
17
9076 Hablu and Bablu   1 156 18.73
12
17
9081 Snail family problems   2 81 24.05
34
17
9084 Journey to Mars   91 23.19
9086 Formula 3D   6 21.21
9096 Bob and magical scale   3 65 25.46
26
34
9097 Derangements HARD   1 81 50.83
1
17
9098 Long Common Subsequence   2 190 35.96
34
17
9103 Special Numbers   8 753 30.04
13
13
9104 Match the words   3 411 50.09
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   2 170 52.75
34
1
9121 Magical Crafting   56 47.48
9122 Diary   4 1059 35.64
12
3
9123 Security Zone   36 27.22
9124 Sightseeing   116 17.61
9125 Suiting Weavers   84 29.38
9126 Time to live   48 2026 37.62
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   10 217 33.06
26
26
9199 Circular Track   30 3339 40.27
7
14
9213 Mafia   2 50 23.37
17
26
9219 Nikhil Problem   2 223 46.31
17
17
9255 Publication   3 38 61.63
23
17
9260 Perfect Road   12 16.55
17
17
9331 DCD   61 51.22
17
1
9334 Point in tetrahedron   2 139 57.37
9
17
9340 Arbitrage   37 1819 39.23
12
17
9367 Segment Flip   1 85 10.33
34
34
9378 Landfill   61 46.63

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