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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
120 Solitaire   7 358 23.46
26
16
121 Timetable   54 15.11
17
17
122 Voracious Steve   2 268 29.67
23
23
123 Paying in Byteland   2 476 46.70
6
17
130 Rent your airplane and make money   88 3346 28.60
18
17
131 Square dance   322 50.10
1
1
132 Help R2-D2!   12 761 29.55
19
16
134 Phony Primes   1 180 19.18
23
23
135 Men at work   1 261 38.24
24
26
136 Transformation   78 35.55
17
17
137 Partition   17 780 36.67
17
20
138 Election Posters   65 2277 25.65
20
21
139 The Long and Narrow Maze   1 207 20.71
17
17
140 The Loner   156 22.76
34
17
142 Johnny and the Glue   105 38.04
17
17
145 Aliens   2 421 29.86
34
42
147 Tautology   2 729 38.47
9
9
148 Land for Motorways   3 208 42.11
17
17
149 Fencing in the Sheep   3 94 12.36
34
17
150 Where to Drink the Plonk?   1 495 34.69
151 The Courier   38 1041 35.47
22
23
153 Balancing the Stone   2 324 32.92
17
23
154 Sweet and Sour Rock   80 3411 51.26
14
17
160 Choosing a Palindromic Sequence   95 32.80
17
17
174 Paint templates   1 59 41.61
9
17
175 Polygon   66 22.90
176 Sum of one-sequence   5 666 33.66
11
27
177 AB-words   1 16 1.30
50
50
178 Road net   12 2369 49.57
9
8
179 Word equations   182 21.79
9
9
180 How to pack containers   1 100 36.49
1
1
181 Scuba diver   98 3809 25.97
18
18
182 Window   1 45 29.80
17
34
183 Assembler circuits   58 31.03
184 Automatic Teller Machines   1 204 33.69
1
1
185 Chase   2 216 24.63
1
26
186 The lightest language   1 156 25.53
17
34
187 Flat broken lines   2 97 40.53
9
17
188 Rectangles   2 182 12.71
17
23
196 Musketeers   2 497 30.27
17
34
199 Empty Cuboids   -1 142 34.74
200 Monodigital Representations   1 165 29.96
26
26
201 The Game of Polygons   1 250 39.36
1
17
202 Rockets   -1 56 12.18
34
34
203 Potholers   22 2266 26.46
16
12
204 Sleepwalker   90 26.63
1
1
205 Icerink   8 12.79
206 Bitmap   245 9455 28.07
15
16
207 Three-coloring of binary trees   16 875 35.88
20
17
208 Store-keeper   2 126 15.40
34
26

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