list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
115 Family   2 65 12.26
34
26
116 Intervals   4 401 33.80
17
17
118 Rhombs   79 46.76
119 Servers   106 20.29
120 Solitaire   6 340 24.97
29
17
121 Timetable   50 15.09
122 Voracious Steve   1 250 32.84
17
17
123 Paying in Byteland   2 422 48.64
9
17
130 Rent your airplane and make money   86 3039 28.88
18
17
131 Square dance   289 53.27
132 Help R2-D2!   12 721 31.28
22
18
134 Phony Primes   1 177 19.30
26
26
135 Men at work   1 255 38.32
30
34
136 Transformation   73 37.00
137 Partition   16 758 38.01
20
21
138 Election Posters   58 2022 27.46
19
21
139 The Long and Narrow Maze   1 205 21.07
34
17
140 The Loner   -1 153 22.80
34
17
142 Johnny and the Glue   101 37.46
17
17
145 Aliens   2 403 30.75
34
42
146 Fast Multiplication Again   35 19.72
147 Tautology   2 494 41.57
17
17
148 Land for Motorways   2 198 42.30
17
17
149 Fencing in the Sheep   3 89 12.06
34
23
150 Where to Drink the Plonk?   1 488 34.76
151 The Courier   33 926 37.59
23
23
153 Balancing the Stone   2 322 35.92
26
26
154 Sweet and Sour Rock   75 3147 51.49
13
17
160 Choosing a Palindromic Sequence   91 33.33
174 Paint templates   1 55 41.06
17
34
175 Polygon   66 23.94
176 Sum of one-sequence   5 636 33.35
11
27
177 AB-words   1 14 1.28
50
50
178 Road net   10 2239 49.29
9
8
179 Word equations   1 175 25.60
17
17
180 How to pack containers   95 39.23
181 Scuba diver   91 3310 27.30
18
17
182 Window   40 29.28
183 Assembler circuits   55 30.57
184 Automatic Teller Machines   198 34.20
185 Chase   1 213 26.91
1
34
186 The lightest language   1 100 25.09
17
34
187 Flat broken lines   2 96 44.30
9
17
188 Rectangles   2 175 25.96
17
17
196 Musketeers   2 455 34.10
17
34
199 Empty Cuboids   -1 141 35.29
200 Monodigital Representations   1 162 31.61
34
34
201 The Game of Polygons   1 248 39.89
1
17
202 Rockets   -2 60 13.42
34
34
203 Potholers   22 2048 26.90
16
12

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