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list of challenge problems

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ID NAME CODE USERS ACC %
53    Kamil KAMIL 6411 49.30
72    Food Shortage in Byteland BYTEFOOD 263 54.46
126    Solovay-Strassen Inverted SOLSTRAS 102 57.26
127    Johnny Goes Shopping JOHNNY 1521 65.82
155    Solving the Puzzle SOLVING 12 4.87
218    Points on a Sphere PSPHERE 193 67.60
219    Pawns Gone Wild PAWNS 24 60.87
222    The Burning City BURNCITY 43 58.65
225    Nightmare in the Towers of Hanoi HANOI 19 46.55
232    Bytelandian Telecom BYTELE 43 67.05
240    Santa Claus and the Presents SANTA 125 73.47
276    Herdkeeper MFENCE 50 68.27
285    Atomic Shelters ATSHELT 122 62.68
289    The Turing Music Box TMBOX 73 68.95
294    Johnny and the Optimisation of Homework HWORK 16 45.43
295    Bytelandian Origami BRIGAMI 27 61.84
298    Closing down Railway Lines DERAIL 134 83.36
313    The Game of Crosses & Crosses CROSSES 29 73.14
315    The Secret Fellowship of Byteland BFORG 48 68.68
316    Japan Crossword JCROSS 159 68.28
321    X-Words XWORDS 19 63.53
326    Enjoying a Multiplayer Game MGAME 19 68.01
353    Displace DISPLACE 44 46.70
525    Fractions Calculator TFRACAL2 53 41.49
528    Shortest Superstring TSSTR 174 48.02
919    Prime checker PRIC 1625 65.39
1711    Greatest Common Divisor GCD 109 31.14
1742    Brainf_ck BRAINF_K 71 36.26
2624    JawBreaker Game JAWB 86 61.16
4246    Place the Numbers II PLCNUM2 544 66.41
5842    Polybius square POLYBIUS 1030 59.25
6125    Dos Date DDATE 793 55.86
6173    Burned Pancakes Tower DBP 23 64.61
6295    Area Difference SQDIFF 389 44.62
6646    Fully Parenthesized Expression BRACKETS 26 43.75
7063    Cycles, More Cycles CYCLE 19 82.91
7105    Reverse the Input REVINPUT 546 34.56
7225    Word To Number WORDNUM 156 61.22
7480    Nth Prime NPRIME 618 45.60
7958    Prisoner of Benda (Challenge) BENDA 18 45.17
8102    Christmas Tree XMAS 828 66.28
8638    Sum of Fibonacci numbers FIBSUM 136 72.85
8672    Distributing the balls BALLS 26 32.73
8675    Equation Check EQCHECK 264 57.29
8676    Digits of Phi (Golden Ratio) PHIVAL 294 53.58
8733    Summing up Last digits PLDGTS 31 67.01
8950    Grid points GRIDPNT 44 57.73
9380    Connecting three towns THREETWN 123 81.09
10295    HQNP Incomputable Hard HQNP2 61 76.53
11397    Find all independent nodes INDISET 26 89.36
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