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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
83 Bundling   1 49 38.85
17
17
84 Shortcut   1 231 31.61
17
9
87 Football   1 60 21.86
17
1
88 Which is Next   1 127 20.62
34
34
89 Hang or not to hang   1 61 19.26
17
17
109 Exchanges   1 124 45.17
34
112 Horizontally Visible Segments   1 155 27.70
17
34
122 Voracious Steve   1 266 29.60
17
17
134 Phony Primes   1 179 19.18
23
23
135 Men at work   1 258 37.99
24
26
139 The Long and Narrow Maze   1 207 20.71
17
17
150 Where to Drink the Plonk?   1 495 34.83
174 Paint templates   1 59 41.61
9
17
177 AB-words   1 16 1.30
50
50
180 How to pack containers   1 99 36.73
1
1
182 Window   1 45 29.80
17
34
184 Automatic Teller Machines   1 204 33.93
1
1
186 The lightest language   1 137 24.74
17
34
200 Monodigital Representations   1 163 29.61
26
26
201 The Game of Polygons   1 250 39.46
1
17
226 Jewelry and Fashion   1 20 27.84
34
50
229 Sorting is easy   1 118 19.23
17
1
239 Tour de Byteland   1 85 24.56
17
17
262 Connections   1 111 28.84
34
34
286 Selfish Cities   1 698 39.03
31
31
291 Cube Root   1 251 16.64
23
15
292 Alibaba   1 168 23.22
303 The Unstable Cube   1 45 28.92
17
1
309 The Room Pattern   1 44 15.90
34
17
336 Exchange Operations   1 85 19.74
1
17
349 Around the world   1 81 25.00
17
17
350 Landscaping   1 91 29.91
362 Ignore the Garbage   1 418 43.70
1
17
366 Farmer   1 265 16.98
1
1
387 Travelling tours   1 304 53.89
30
34
389 Use of Hospital Facilities   1 50 11.68
34
26
399 Team Rankings   1 385 53.26
17
9
409 DEL Command   1 73 16.93
17
17
410 Variable Radix Huffman Encoding   1 173 18.96
1
1
414 Equatorial Bonfire   1 71 30.48
34
17
419 Transposing is Fun   1 282 36.89
17
26
479 Permutation generator   1 126 27.48
21
17
515 Collatz   1 443 43.44
1
5
518 Zig-Zag Permutation   1 42 31.02
26
26
684 Another Assignment Problem   1 103 12.40
34
1
687 Repeats   1 888 25.23
34
42
695 Unite Fast   1 128 27.26
17
17
696 Truth or not   1 268 21.64
698 Plane Hopping   1 286 25.77
17
699 Huge Knap Sack   1 138 24.89
17
17

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