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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2019 The Rolling Ball   3 5.26
2022 Truth Or Lie   101 22.44
2023 One Instruction Computer Simulator   41 11.22
42
42
2031 Please help You-Know-Who   35 32.89
2038 Rectangle Tiling   2 112 41.27
1
1
2047 Stone Removing Game   -1 132 38.11
2050 Strange Billboard   10 799 60.65
13
29
2051 Cell Phone   3 159 31.30
30
37
2052 Hexagonal Parcels   75 29.07
2053 Key Task   37 1171 31.67
24
22
2054 Gates of Logic   1 38 24.28
17
17
2055 Weird Numbers   2 340 35.69
17
17
2056 Rectangular Polygon   1 133 48.07
1
17
2058 Reaux! Sham! Beaux!   4 659 32.87
23
6
2059 Robotic Sort   5 622 31.47
28
26
2060 Tough Water Level   33 25.98
2070 Minimum Distance   77 19.15
17
1
2123 Candy I   95 28426 44.20
3
4
2124 Last Non-Zero Digit of Factorials   4 472 25.01
26
34
2125 Number Labyrinth   2 61 24.84
17
17
2127 Rain   3 431 40.31
17
14
2128 K-In-A-Row   5 436 33.52
13
9
2129 Cake   69 21.65
2131 Get Back!   54 42.14
2132 Puzzle   87 33.11
2136 Candy II   2 606 45.82
17
17
2138 Pibonacci   3 43 14.58
26
39
2139 Gossipers   3 590 31.74
21
26
2140 (un)Fair Play   74 38.91
2141 Golden Garden   17 17.86
2142 Arranging Flowers   23 9.57
2143 Dependency Problems   4 517 39.00
17
13
2144 K Edge-disjoint Branchings   9 16.21
2147 Root of a Linear Equation   58 8.39
34
17
2148 Candy III   54 20341 25.29
9
5
2149 Biased Standings   21 3475 33.28
5
5
2150 Counting Subsequences   12 1023 29.49
8
13
2151 Digital Calculator   22 5.81
2152 Hilbert Curve   1 13 16.76
34
34
2153 Internet is Faulty   64 41.34
2154 Kruskal   82 15.05
2157 Anti-Blot System   104 12913 45.25
10
5
2159 Delicious Cake   29 16.00
2160 Here-There   27 26.63
2161 Pixel Shuffle   29 19.57
50
17
2162 Towers of Powers   28 19.72
2171 Ambiguous Codes   1 63 34.57
2172 Ballroom Lights   1 33 33.75
34
17
2173 Car Plates Competition   1 233 40.56
17
17
2174 Drop the Triples   5 116 29.73
21
24

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