list of challenge problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
53 Kamil   3 4700 49.43
1
1
72 Food Shortage in Byteland   208 55.47
126 Solovay-Strassen Inverted   93 56.43
127 Johnny Goes Shopping   2 1044 65.52
17
26
155 Solving the Puzzle   10 6.44
218 Points on a Sphere   158 66.12
219 Pawns Gone Wild   20 62.39
222 The Burning City   40 56.31
225 Nightmare in the Towers of Hanoi   18 52.99
232 Bytelandian Telecom   42 68.37
240 Santa Claus and the Presents   108 73.85
246 Plant a Christmas Tree   87 46.86
270 Digits of Pi   2 4358 71.28
9
17
276 Herdkeeper   48 69.09
285 Atomic Shelters   98 64.00
289 The Turing Music Box   71 71.24
294 Johnny and the Optimisation of Homework   15 42.91
295 Bytelandian Origami   26 62.16
298 Closing down Railway Lines   24 90.88
313 The Game of Crosses & Crosses   58 77.75
314 Digits of e   1 2115 55.19
315 The Secret Fellowship of Byteland   42 67.50
316 Japan Crossword   139 68.23
317 Simple Image Recognition   277 72.90
321 X-Words   16 68.33
326 Enjoying a Multiplayer Game   17 71.76
353 Displace   38 47.70
356 Tethering the Mammoths   11 83.44
378 Size Contest   3 7998 53.68
28
6
525 Fractions Calculator   48 41.81
528 Shortest Superstring   118 51.01
755 Rectangles in a Square   29 57.79
756 Literature List   63 67.82
758 Tetris AI   68 77.57
759 Hard Image Recognition   12 48.05
761 Minesweeper   47 41.47
919 Prime checker   1 1305 65.35
34
34
1414 SuDoku Puzzle   344 53.25
1416 Electrification   34 38.07
1422 Digital Image Processing   100 71.19
1423 Digits of SQRT(2)   1 2074 66.77
1
1
1481 Yet another computer network problem   20 67.07
1492 Lexicographic sort   278 51.97
1558 Math II   29 71.39
1690 Intercept   38 30.35
1711 Greatest Common Divisor   99 33.37
1742 Brainf_ck   68 36.91
2004 Analyse Simple Arithmetical Expressions   603 51.36
2471 Magic Program II   60 36.60
2624 JawBreaker Game   24 39.93

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