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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
115 Family   2 73 11.93
28
28
116 Intervals   5 1122 23.69
21
24
118 Rhombs   107 44.48
1
34
119 Servers   112 19.65
17
17
120 Solitaire   7 368 23.53
26
16
121 Timetable   57 15.62
17
17
122 Voracious Steve   2 271 29.86
23
23
123 Paying in Byteland   2 479 46.72
6
17
130 Rent your airplane and make money   88 3374 28.67
18
17
131 Square dance   348 50.69
1
1
132 Help R2-D2!   12 765 29.58
19
16
134 Phony Primes   1 181 19.16
23
23
135 Men at work   1 262 38.29
24
26
136 Transformation   80 34.28
17
17
137 Partition   17 784 36.67
17
20
138 Election Posters   65 2309 25.72
20
21
139 The Long and Narrow Maze   1 207 20.48
17
17
140 The Loner   157 21.98
34
17
142 Johnny and the Glue   107 38.27
17
17
145 Aliens   2 428 30.01
34
42
146 Fast Multiplication Again   36 12.29
147 Tautology   2 773 37.32
9
9
148 Land for Motorways   3 215 42.44
17
21
149 Fencing in the Sheep   3 99 12.95
34
17
150 Where to Drink the Plonk?   1 501 34.86
151 The Courier   38 1058 35.48
22
23
153 Balancing the Stone   2 327 33.03
17
23
154 Sweet and Sour Rock   80 3434 51.17
14
17
160 Choosing a Palindromic Sequence   95 32.50
17
17
174 Paint templates   1 59 40.61
9
17
175 Polygon   69 23.10
176 Sum of one-sequence   5 670 33.70
11
27
177 AB-words   1 16 1.24
50
50
178 Road net   12 2382 49.64
9
8
179 Word equations   183 21.78
9
9
180 How to pack containers   1 104 35.75
1
1
181 Scuba diver   99 3868 26.03
18
18
182 Window   1 46 28.99
17
34
183 Assembler circuits   61 31.43
184 Automatic Teller Machines   1 209 34.16
1
1
185 Chase   2 217 24.63
1
26
186 The lightest language   1 162 26.18
17
34
187 Flat broken lines   2 101 41.16
9
17
188 Rectangles   2 183 12.67
17
23
196 Musketeers   2 504 30.42
17
34
199 Empty Cuboids   -1 146 35.05
200 Monodigital Representations   1 168 29.75
26
26
201 The Game of Polygons   1 254 38.94
1
17
202 Rockets   -1 57 12.22
34
34
203 Potholers   22 2274 26.45
16
12

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