list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
115 Family   2 65 12.36
34
26
116 Intervals   4 365 32.51
17
17
118 Rhombs   76 46.23
119 Servers   105 20.46
120 Solitaire   5 335 25.44
28
17
121 Timetable   50 15.31
122 Voracious Steve   1 243 32.18
17
17
123 Paying in Byteland   2 417 48.59
9
17
130 Rent your airplane and make money   74 2785 28.91
18
16
131 Square dance   283 53.08
132 Help R2-D2!   11 663 30.90
22
20
134 Phony Primes   1 172 18.96
26
26
135 Men at work   1 250 38.10
30
34
136 Transformation   73 37.13
137 Partition   13 735 38.58
21
20
138 Election Posters   48 1801 26.72
19
21
139 The Long and Narrow Maze   1 202 21.06
34
17
140 The Loner   -1 153 22.80
34
17
142 Johnny and the Glue   100 37.50
17
17
145 Aliens   1 385 30.18
50
50
146 Fast Multiplication Again   34 21.93
147 Tautology   2 451 42.29
17
17
148 Land for Motorways   1 193 42.34
17
17
149 Fencing in the Sheep   3 89 12.07
34
23
150 Where to Drink the Plonk?   1 482 35.51
151 The Courier   29 862 37.43
22
22
153 Balancing the Stone   2 315 36.01
26
26
154 Sweet and Sour Rock   64 2928 51.18
13
17
160 Choosing a Palindromic Sequence   91 33.33
174 Paint templates   54 40.67
175 Polygon   66 24.61
176 Sum of one-sequence   5 629 33.52
11
27
177 AB-words   1 13 1.22
50
50
178 Road net   7 2177 49.17
9
7
179 Word equations   1 172 25.20
17
17
180 How to pack containers   93 39.74
181 Scuba diver   80 3045 27.36
18
17
182 Window   39 29.21
183 Assembler circuits   55 30.73
184 Automatic Teller Machines   193 33.87
185 Chase   1 208 26.89
1
34
186 The lightest language   1 99 24.77
17
34
187 Flat broken lines   1 95 44.12
17
17
188 Rectangles   1 172 28.41
17
17
196 Musketeers   2 446 32.98
17
34
199 Empty Cuboids   -1 140 35.19
200 Monodigital Representations   1 160 32.11
34
34
201 The Game of Polygons   1 246 39.78
1
17
202 Rockets   -2 60 13.42
34
34
203 Potholers   20 1941 27.37
17
13

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