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list of challenge problems

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ID NAME CODE USERS ACC %
53    Kamil KAMIL 6365 49.35
72    Food Shortage in Byteland BYTEFOOD 260 54.90
126    Solovay-Strassen Inverted SOLSTRAS 101 57.57
127    Johnny Goes Shopping JOHNNY 1500 65.89
155    Solving the Puzzle SOLVING 12 5.07
218    Points on a Sphere PSPHERE 188 67.53
219    Pawns Gone Wild PAWNS 23 60.70
222    The Burning City BURNCITY 43 58.65
225    Nightmare in the Towers of Hanoi HANOI 19 47.79
232    Bytelandian Telecom BYTELE 42 68.25
240    Santa Claus and the Presents SANTA 121 73.44
276    Herdkeeper MFENCE 50 68.27
285    Atomic Shelters ATSHELT 121 63.05
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 131 83.37
313    The Game of Crosses & Crosses CROSSES 26 75.52
315    The Secret Fellowship of Byteland BFORG 46 68.14
316    Japan Crossword JCROSS 159 68.28
321    X-Words XWORDS 19 64.46
326    Enjoying a Multiplayer Game MGAME 18 71.32
353    Displace DISPLACE 43 47.08
525    Fractions Calculator TFRACAL2 53 41.53
528    Shortest Superstring TSSTR 174 48.18
919    Prime checker PRIC 1620 65.43
1711    Greatest Common Divisor GCD 108 31.68
1742    Brainf_ck BRAINF_K 70 36.24
2624    JawBreaker Game JAWB 86 61.16
4246    Place the Numbers II PLCNUM2 540 66.32
5842    Polybius square POLYBIUS 1026 59.23
6125    Dos Date DDATE 788 55.80
6173    Burned Pancakes Tower DBP 23 64.61
6295    Area Difference SQDIFF 388 44.61
6646    Fully Parenthesized Expression BRACKETS 26 43.75
7063    Cycles, More Cycles CYCLE 16 83.43
7105    Reverse the Input REVINPUT 544 34.48
7225    Word To Number WORDNUM 156 61.22
7480    Nth Prime NPRIME 618 45.56
7958    Prisoner of Benda (Challenge) BENDA 10 50.00
8102    Christmas Tree XMAS 826 66.24
8638    Sum of Fibonacci numbers FIBSUM 135 72.81
8672    Distributing the balls BALLS 26 32.73
8675    Equation Check EQCHECK 262 57.52
8676    Digits of Phi (Golden Ratio) PHIVAL 293 53.67
8733    Summing up Last digits PLDGTS 31 72.01
8950    Grid points GRIDPNT 44 57.73
9380    Connecting three towns THREETWN 122 81.08
10295    HQNP Incomputable Hard HQNP2 61 76.49
11397    Find all independent nodes INDISET 23 89.23
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