list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
135 Men at work   1 261 38.15
24
26
139 The Long and Narrow Maze   1 207 20.44
17
17
150 Where to Drink the Plonk?   1 502 34.89
174 Paint templates   1 59 40.61
9
17
177 AB-words   1 16 1.24
50
50
180 How to pack containers   1 104 35.73
1
1
182 Window   1 46 28.99
17
34
184 Automatic Teller Machines   1 209 34.16
1
1
186 The lightest language   1 161 26.04
17
34
200 Monodigital Representations   1 168 29.75
26
26
201 The Game of Polygons   1 254 38.94
1
17
226 Jewelry and Fashion   1 20 28.65
34
50
229 Sorting is easy   1 118 18.73
17
1
239 Tour de Byteland   1 86 24.43
17
17
262 Connections   1 113 29.12
34
34
286 Selfish Cities   1 705 38.93
31
31
291 Cube Root   1 253 16.53
23
15
292 Alibaba   1 181 23.23
303 The Unstable Cube   1 48 28.93
17
1
309 The Room Pattern   1 46 15.38
34
17
336 Exchange Operations   1 85 19.71
1
17
349 Around the world   1 84 24.90
17
17
350 Landscaping   1 94 29.66
362 Ignore the Garbage   1 421 43.65
1
17
366 Farmer   1 270 17.13
1
1
387 Travelling tours   1 307 53.85
30
34
389 Use of Hospital Facilities   1 51 12.50
34
26
399 Team Rankings   1 389 53.42
17
9
409 DEL Command   1 73 16.73
17
17
410 Variable Radix Huffman Encoding   1 176 19.05
1
1
414 Equatorial Bonfire   1 74 28.49
34
17
419 Transposing is Fun   1 301 36.90
17
26
479 Permutation generator   1 128 27.43
21
17
515 Collatz   1 447 43.03
1
5
518 Zig-Zag Permutation   1 43 30.57
26
26
684 Another Assignment Problem   1 103 12.30
34
1
695 Unite Fast   1 129 26.99
9
9
696 Truth or not   1 272 21.80
1
1
698 Plane Hopping   1 288 25.56
17
699 Huge Knap Sack   1 140 25.11
9
9
707 Triple-Free Sets   1 195 39.06
17
34
733 Mountain Walking   1 759 25.58
34
26
735 Minimum Diameter Spanning Tree   1 188 34.21
17
30
738 Another Counting Problem   1 232 40.51
1
1
912 Submatrix of submatrix   1 169 26.50
34
17
996 Continuous Fractions   1 278 37.51
9
9
1001 Babylonian Roulette   1 666 50.40
13
13
1420 Geometry and a Square   1 271 33.90
9
17
1441 The Clever Typist   1 34 9.35
17
34
1451 01 Sequence   1 98 28.60
9
26

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