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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
120 Solitaire   7 361 23.51
26
16
121 Timetable   56 15.45
17
17
122 Voracious Steve   2 270 29.83
23
23
123 Paying in Byteland   2 477 46.74
6
17
130 Rent your airplane and make money   88 3364 28.63
18
17
131 Square dance   342 50.55
1
1
132 Help R2-D2!   12 764 29.57
19
16
134 Phony Primes   1 180 19.13
23
23
135 Men at work   1 261 38.21
24
26
136 Transformation   79 35.64
17
17
137 Partition   17 782 36.59
17
20
138 Election Posters   65 2305 25.74
20
21
139 The Long and Narrow Maze   1 207 20.65
17
17
140 The Loner   156 22.65
34
17
142 Johnny and the Glue   106 38.21
17
17
145 Aliens   2 424 29.89
34
42
147 Tautology   2 772 37.34
9
9
148 Land for Motorways   3 211 42.13
17
17
149 Fencing in the Sheep   3 96 12.71
34
17
150 Where to Drink the Plonk?   1 501 34.88
151 The Courier   38 1055 35.43
22
23
153 Balancing the Stone   2 326 32.99
17
23
154 Sweet and Sour Rock   80 3426 51.19
14
17
160 Choosing a Palindromic Sequence   95 32.65
17
17
174 Paint templates   1 59 41.36
9
17
175 Polygon   69 24.11
176 Sum of one-sequence   5 669 33.67
11
27
177 AB-words   1 16 1.25
50
50
178 Road net   12 2380 49.63
9
8
179 Word equations   183 21.80
9
9
180 How to pack containers   1 103 35.77
1
1
181 Scuba diver   99 3854 26.02
18
18
182 Window   1 45 29.80
17
34
183 Assembler circuits   58 30.88
184 Automatic Teller Machines   1 207 34.00
1
1
185 Chase   2 217 24.65
1
26
186 The lightest language   1 161 25.96
17
34
187 Flat broken lines   2 98 40.88
9
17
188 Rectangles   2 182 12.64
17
23
196 Musketeers   2 503 30.39
17
34
199 Empty Cuboids   -1 142 34.68
200 Monodigital Representations   1 167 30.14
26
26
201 The Game of Polygons   1 252 39.10
1
17
202 Rockets   -1 57 12.23
34
34
203 Potholers   22 2271 26.45
16
12
204 Sleepwalker   94 26.62
1
1
205 Icerink   8 12.79
206 Bitmap   246 9544 28.18
15
16
207 Three-coloring of binary trees   16 878 35.84
20
17
208 Store-keeper   2 128 15.22
34
26

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