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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
412 K-path cover   186 20.48
1
50
411 Number of quite different words   4 244 33.93
17
27
410 Variable Radix Huffman Encoding   1 180 19.26
1
1
409 DEL Command   1 79 17.60
17
17
408 Jill Rides Again   2 970 34.26
9
9
407 Random Number   48 29.13
17
17
406 Logic   112 23.23
17
9
405 Tin Cutter   141 29.59
17
17
404 Scanner   59 12.57
403 Sort fractions   6 714 33.12
9
21
402 Hike on a Graph   8 780 40.27
15
19
401 Translations   137 38.07
17
34
400 To and Fro   90 23447 55.60
14
7
399 Team Rankings   1 391 53.58
17
9
398 Roll Playing Games   121 14.67
34
17
397 I Conduit   3 196 15.57
21
21
396 Hit or Miss   133 43.10
1
1
395 Anti-prime Sequences   3 349 47.83
9
9
394 Alphacode   580 22974 27.42
15
15
393 Hexagon   77 48.65
17
1
392 Spin   44 26.63
1
17
391 Railroads   90 17.63
17
17
390 Billiard   1 903 54.53
11
21
389 Use of Hospital Facilities   1 53 15.47
34
26
388 Menu   7 352 19.00
25
16
387 Travelling tours   1 312 53.92
30
34
386 Help the problem setter   105 45.45
385 Game schedule required   156 29.07
34
1
384 Any fool can do it   2 389 32.52
17
17
383 European railroad tracks   227 30.31
382 Decorate the wall   216 34.95
1
17
381 106 miles to Chicago   50 3221 36.51
15
14
380 Bullshit Bingo   722 33.74
379 Ambiguous Permutations   71 12375 59.61
4
5
377 Taxi   14 1245 28.48
13
16
376 A concrete simulation   15 1734 34.37
11
12
375 Query on a tree   167 5889 17.60
33
27
374 Count maximum matrices   241 20.85
1
17
373 Greedy island   6 517 33.62
26
26
372 The Benefactor   49 3099 35.38
12
13
371 Boxes   552 35.66
1
26
370 Ones and zeros   152 4522 30.11
19
21
369 Math I   89 25.23
34
34
368 Cobbled streets   98 5441 50.87
13
12
367 Empodia   2 165 27.51
17
26
366 Farmer   1 271 17.10
1
1
365 Phidias   25 1225 47.22
13
21
364 Pocket Money   53 2248 38.59
15
18
363 Crane Operator   5 2.71
362 Ignore the Garbage   1 425 43.75
1
17

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