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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
134 Phony Primes   1 179 19.18
23
23
132 Help R2-D2!   12 755 29.47
19
16
131 Square dance   312 50.00
1
1
130 Rent your airplane and make money   88 3335 28.63
18
17
123 Paying in Byteland   2 475 46.80
6
17
122 Voracious Steve   1 264 29.48
17
17
121 Timetable   52 14.97
17
17
120 Solitaire   7 349 23.37
26
16
119 Servers   108 19.71
17
17
118 Rhombs   102 46.62
1
34
116 Intervals   5 884 22.33
21
24
115 Family   2 68 11.62
28
28
112 Horizontally Visible Segments   1 154 27.67
17
34
110 Fill the Cisterns   28 1398 31.30
21
20
109 Exchanges   1 123 45.14
34
108 Decoding Morse Sequences   7 799 24.22
24
17
107 Calendar of the Maya   5 130 44.93
21
17
106 Binary Stirling Numbers   3 2618 36.56
4
17
105 Alice and Bob   3 165 27.12
42
42
104 Highways   2 740 19.92
23
28
102 GX Light Pipeline Inc   75 30.85
101 Fishmonger   47 2287 38.09
17
20
100 Tower of Babylon   44 3052 50.55
19
21
99 Bus   180 21.86
34
17
98 Dance Floor   3 712 40.30
12
12
97 Party Schedule   250 8794 36.12
14
16
96 Shopping   46 3037 44.19
15
11
95 Street Parade   317 18094 28.96
14
11
94 Numeral System of the Maya   4 2573 40.49
10
6
92 Cutting off Squares   -1 247 42.38
1
1
91 Two squares or not two squares   79 5997 24.55
11
14
90 Minimizing maximizer   3 364 24.93
17
26
89 Hang or not to hang   1 61 19.26
17
17
88 Which is Next   126 20.75
34
34
87 Football   57 21.31
17
1
86 November Rain   4 291 17.44
21
21
85 Dice Contest   41 20.32
34
34
84 Shortcut   1 230 31.55
17
9
83 Bundling   1 47 37.96
17
17
82 Easy Problem   4 490 34.72
17
9
78 Marbles   67 7865 34.95
15
13
77 New bricks disorder   1 281 37.67
17
17
76 Editor Inverse   64 17.34
75 Editor   51 39.86
73 Bacterial   1 70 21.12
50
17
71 Tree   3 445 28.51
12
9
70 Relations   1 244 27.22
1
1
69 Moulds   2 128 35.36
12
12
68 Expression   158 30.52
1
34
67 Cutting out   2 285 42.20
30
27

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