list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
115 Family   2 65 12.26
34
26
116 Intervals   4 384 33.02
17
17
118 Rhombs   77 46.48
119 Servers   106 20.29
120 Solitaire   6 339 25.14
29
17
121 Timetable   50 15.31
122 Voracious Steve   1 249 32.78
17
17
123 Paying in Byteland   2 421 48.72
9
17
130 Rent your airplane and make money   84 2982 28.83
18
17
131 Square dance   289 53.27
132 Help R2-D2!   12 714 31.31
22
18
134 Phony Primes   1 176 19.27
26
26
135 Men at work   1 253 38.22
30
34
136 Transformation   73 37.00
137 Partition   16 750 38.18
20
21
138 Election Posters   58 1975 27.30
19
21
139 The Long and Narrow Maze   1 203 21.08
34
17
140 The Loner   -1 153 22.80
34
17
142 Johnny and the Glue   101 37.57
17
17
145 Aliens   2 398 30.52
34
42
146 Fast Multiplication Again   34 21.69
147 Tautology   2 474 42.29
17
17
148 Land for Motorways   1 194 42.02
17
17
149 Fencing in the Sheep   3 89 12.07
34
23
150 Where to Drink the Plonk?   1 486 34.70
151 The Courier   32 911 37.53
23
22
153 Balancing the Stone   2 319 35.97
26
26
154 Sweet and Sour Rock   73 3094 51.22
13
17
160 Choosing a Palindromic Sequence   91 33.33
174 Paint templates   54 40.67
175 Polygon   66 24.23
176 Sum of one-sequence   5 632 33.49
11
27
177 AB-words   1 14 1.28
50
50
178 Road net   9 2215 49.15
8
8
179 Word equations   1 175 25.98
17
17
180 How to pack containers   95 39.23
181 Scuba diver   88 3261 27.24
18
17
182 Window   40 29.28
183 Assembler circuits   55 30.57
184 Automatic Teller Machines   197 34.12
185 Chase   1 213 26.93
1
34
186 The lightest language   1 100 25.09
17
34
187 Flat broken lines   2 96 44.30
9
17
188 Rectangles   2 174 27.68
17
17
196 Musketeers   2 453 34.04
17
34
199 Empty Cuboids   -1 140 35.19
200 Monodigital Representations   1 162 31.61
34
34
201 The Game of Polygons   1 247 39.84
1
17
202 Rockets   -2 60 13.42
34
34
203 Potholers   22 2011 27.54
16
12

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