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list of challenge problems

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ID NAME CODE USERS ACC %
12655    Strongly Connected Chemicals SCCHEM 5 100.00
11689    Real Roots REALROOT 34 94.29
11975    PIEK PIEK2 182 92.21
11397    Find all independent nodes INDISET 23 89.23
18073    Colour Brick Game BRICKGM 53 88.66
7063    Cycles, More Cycles CYCLE 16 83.43
298    Closing down Railway Lines DERAIL 131 83.37
9380    Connecting three towns THREETWN 122 81.08
356    Tethering the Mammoths MAMMOTH 12 80.98
2629    Robo Eye EYES 39 78.03
18901    The Secret Recipe CEBITO 45 77.84
758    Tetris AI TTR 73 77.83
10295    HQNP Incomputable Hard HQNP2 61 76.49
313    The Game of Crosses & Crosses CROSSES 26 75.52
27840    Seedlings SEE 34 74.92
1422    Digital Image Processing DIP 121 74.53
3947    Brainf F##k Writing BFWRITE 1498 74.48
240    Santa Claus and the Presents SANTA 121 73.44
1558    Math II MATH2 36 73.24
8638    Sum of Fibonacci numbers FIBSUM 135 72.81
17820    Guess The Number With Lies v5 GUESSN5 72 72.66
317    Simple Image Recognition IMGREC1 317 72.56
19920    Strchr in BF BFSTR1 9 72.55
12845    Minimum knight moves Challenge NAKANJC 344 72.10
8733    Summing up Last digits PLDGTS 31 72.01
326    Enjoying a Multiplayer Game MGAME 18 71.32
270    Digits of Pi PIVAL 5871 71.27
13172    Good GOV02 24 71.23
315    The Secret Fellowship of Byteland BFORG 46 70.40
34316    Chess Variants Showdown CHE 1 70.25
31758    Artisticity ART 3 68.97
289    The Turing Music Box TMBOX 73 68.95
756    Literature List LIB 65 68.30
316    Japan Crossword JCROSS 159 68.28
276    Herdkeeper MFENCE 50 68.27
232    Bytelandian Telecom BYTELE 42 68.25
759    Hard Image Recognition HIR 17 67.97
218    Points on a Sphere PSPHERE 189 67.55
12919    Man of Steel MOS 25 67.46
1423    Digits of SQRT(2) SQRT2 2737 67.39
19205    Modular Bernoulli MODBERN 6 67.21
15673    Alice and Bob plays again CDGOLF1 14 67.01
1481    Yet another computer network problem PT07E 23 66.75
22217    Help Santa Claus to Pack the Toys XMAS2014 5 66.74
20651    Reliability of Logic Circuits ZRELY1 49 66.56
17867    Tone Transposition TONES 5 66.36
4246    Place the Numbers II PLCNUM2 540 66.32
4760    Primes in Brainf##k HS09BF 139 66.30
8102    Christmas Tree XMAS 826 66.24
12874    Pell Fourth PELLFOUR 13 66.13
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