list of challenge problems

ID NAME CODE USERS ACC %
53    Kamil KAMIL 6410 49.29
72    Food Shortage in Byteland BYTEFOOD 265 54.39
126    Solovay-Strassen Inverted SOLSTRAS 104 54.94
127    Johnny Goes Shopping JOHNNY 1524 65.84
155    Solving the Puzzle SOLVING 12 4.82
218    Points on a Sphere PSPHERE 195 67.62
219    Pawns Gone Wild PAWNS 26 58.40
222    The Burning City BURNCITY 46 55.49
225    Nightmare in the Towers of Hanoi HANOI 20 42.78
232    Bytelandian Telecom BYTELE 43 67.96
240    Santa Claus and the Presents SANTA 126 73.45
276    Herdkeeper MFENCE 53 67.09
285    Atomic Shelters ATSHELT 125 62.66
289    The Turing Music Box TMBOX 73 68.95
294    Johnny and the Optimisation of Homework HWORK 16 44.44
295    Bytelandian Origami BRIGAMI 29 62.20
298    Closing down Railway Lines DERAIL 134 83.36
313    The Game of Crosses & Crosses CROSSES 32 73.31
315    The Secret Fellowship of Byteland BFORG 48 68.40
316    Japan Crossword JCROSS 162 68.23
321    X-Words XWORDS 21 64.16
326    Enjoying a Multiplayer Game MGAME 21 67.35
353    Displace DISPLACE 45 46.77
525    Fractions Calculator TFRACAL2 54 41.07
528    Shortest Superstring TSSTR 176 48.04
919    Prime checker PRIC 1625 65.39
1711    Greatest Common Divisor GCD 112 30.96
1742    Brainf_ck BRAINF_K 73 36.25
2624    JawBreaker Game JAWB 86 60.96
4246    Place the Numbers II PLCNUM2 546 66.52
5842    Polybius square POLYBIUS 1030 59.25
6125    Dos Date DDATE 793 55.86
6173    Burned Pancakes Tower DBP 25 61.47
6295    Area Difference SQDIFF 391 44.66
6646    Fully Parenthesized Expression BRACKETS 26 43.75
7063    Cycles, More Cycles CYCLE 21 82.50
7105    Reverse the Input REVINPUT 548 34.58
7225    Word To Number WORDNUM 158 61.29
7480    Nth Prime NPRIME 620 45.61
7958    Prisoner of Benda (Challenge) BENDA 18 44.57
8102    Christmas Tree XMAS 828 66.28
8638    Sum of Fibonacci numbers FIBSUM 136 72.76
8672    Distributing the balls BALLS 28 32.63
8675    Equation Check EQCHECK 266 57.37
8676    Digits of Phi (Golden Ratio) PHIVAL 294 53.58
8733    Summing up Last digits PLDGTS 31 61.86
8950    Grid points GRIDPNT 46 57.84
9380    Connecting three towns THREETWN 125 81.06
10295    HQNP Incomputable Hard HQNP2 61 76.53
11397    Find all independent nodes INDISET 26 89.36
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