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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
120 Solitaire   8 370 23.48
26
16
121 Timetable   63 16.42
17
17
122 Voracious Steve   2 275 29.95
23
23
123 Paying in Byteland   2 479 46.72
6
17
130 Rent your airplane and make money   88 3387 28.64
18
17
131 Square dance   353 50.10
1
1
132 Help R2-D2!   13 771 29.70
19
17
134 Phony Primes   1 183 19.22
23
23
135 Men at work   1 268 38.56
24
26
136 Transformation   83 32.18
17
17
137 Partition   17 789 36.73
17
20
138 Election Posters   65 2343 25.84
20
21
139 The Long and Narrow Maze   1 211 20.16
17
17
140 The Loner   160 21.49
34
17
142 Johnny and the Glue   110 38.36
17
17
145 Aliens   2 436 30.02
34
42
147 Tautology   2 778 37.37
9
9
148 Land for Motorways   3 215 41.02
17
21
149 Fencing in the Sheep   3 102 12.99
34
17
150 Where to Drink the Plonk?   1 508 35.63
151 The Courier   38 1069 35.62
22
23
153 Balancing the Stone   2 329 33.03
17
23
154 Sweet and Sour Rock   80 3451 51.17
14
17
160 Choosing a Palindromic Sequence   98 32.39
17
17
174 Paint templates   1 60 38.04
9
17
175 Polygon   72 22.47
176 Sum of one-sequence   5 671 33.60
11
27
177 AB-words   1 16 1.20
50
50
178 Road net   12 2394 49.63
9
8
179 Word equations   188 21.95
9
9
180 How to pack containers   1 108 36.13
1
1
181 Scuba diver   99 3911 26.08
18
18
182 Window   1 50 30.62
17
34
183 Assembler circuits   61 31.78
184 Automatic Teller Machines   1 212 34.19
1
1
185 Chase   2 221 24.80
1
26
186 The lightest language   1 184 26.33
17
34
187 Flat broken lines   2 105 39.78
9
17
188 Rectangles   2 187 12.83
17
23
196 Musketeers   2 510 30.46
17
34
199 Empty Cuboids   -1 149 35.55
200 Monodigital Representations   1 168 30.27
26
26
201 The Game of Polygons   1 256 39.01
1
17
202 Rockets   -1 60 12.32
34
34
203 Potholers   22 2290 26.51
16
12
204 Sleepwalker   96 26.01
1
1
205 Icerink   8 12.22
206 Bitmap   247 9660 28.29
15
16
207 Three-coloring of binary trees   16 887 36.10
20
17
208 Store-keeper   2 135 15.52
34
26

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