list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
401 Translations   131 38.11
17
34
400 To and Fro   89 23231 55.52
14
7
399 Team Rankings   1 385 53.26
17
9
398 Roll Playing Games   117 14.15
34
17
397 I Conduit   3 190 15.40
21
21
396 Hit or Miss   129 45.03
1
1
395 Anti-prime Sequences   2 330 49.77
9
9
394 Alphacode   576 21983 27.22
15
15
393 Hexagon   69 48.68
17
1
392 Spin   37 24.39
1
17
391 Railroads   84 17.74
17
17
390 Billiard   2 886 54.38
13
17
389 Use of Hospital Facilities   1 50 11.75
34
26
388 Menu   7 347 18.89
25
16
387 Travelling tours   1 304 53.89
30
34
386 Help the problem setter   97 45.82
385 Game schedule required   148 28.71
34
1
384 Any fool can do it   2 385 32.22
17
17
383 European railroad tracks   222 30.23
382 Decorate the wall   213 35.24
1
17
381 106 miles to Chicago   50 3141 36.56
15
14
380 Bullshit Bingo   708 33.46
379 Ambiguous Permutations   70 12291 59.53
4
5
377 Taxi   14 1235 28.41
13
16
376 A concrete simulation   15 1712 34.29
11
12
375 Query on a tree   163 5552 17.54
33
27
374 Count maximum matrices   234 20.82
1
17
373 Greedy island   5 504 33.51
26
26
372 The Benefactor   48 3034 35.52
12
13
371 Boxes   529 35.61
1
26
370 Ones and zeros   149 4441 30.00
19
22
369 Math I   86 25.23
34
34
368 Cobbled streets   98 5375 50.76
13
12
367 Empodia   2 160 27.61
17
26
366 Farmer   1 263 16.99
1
1
365 Phidias   25 1211 47.21
13
21
364 Pocket Money   53 2236 38.52
15
18
362 Ignore the Garbage   1 417 43.67
1
17
359 Alpha Centauri Tennis   2 1723 50.54
3
8
351 Ha-noi!   381 42.26
1
1
350 Landscaping   1 91 29.91
349 Around the world   1 81 25.00
17
17
348 Expedition   58 2192 20.45
20
20
347 Lazy Cows   4 263 28.72
27
21
346 Bytelandian gold coins   541 25618 25.14
11
12
345 Mixtures   254 8724 36.47
17
21
344 Poker   3 891 37.48
17
9
339 Recursive Sequence   75 3610 50.06
20
17
338 Roads   37 1379 23.85
17
22
336 Exchange Operations   1 85 19.74
1
17

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