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list of challenge problems

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ID NAME CODE USERS ACC %
1481    Yet another computer network problem PT07E 28 66.84
8672    Distributing the balls BALLS 28 32.63
219    Pawns Gone Wild PAWNS 26 58.40
6646    Fully Parenthesized Expression BRACKETS 26 43.75
11397    Find all independent nodes INDISET 26 89.36
14808    Discrete Math Problem (shorten) GCD4 26 58.56
6173    Burned Pancakes Tower DBP 25 61.47
12919    Man of Steel MOS 25 67.46
13083    "If Bigger than" in BF BFBIGTHN 25 64.32
18837    Boring Factorials (Ultimate) BORING3 25 49.60
26321    God Number is 20 (Rubik) GODNIS20 25 65.85
26801    Hieroglyphs HIE 25 58.05
41224    Skarbonka MPPZF 25 25.74
13172    Good GOV02 24 71.23
30830    128bit-Fibonacci FIB128 24 42.98
12393    Enigma Machine ENIGMAS 23 56.92
41047    Wieża z wiader - Bucket tower MWPZ034 23 15.46
225    Nightmare in the Towers of Hanoi HANOI 22 42.53
321    X-Words XWORDS 22 64.10
326    Enjoying a Multiplayer Game MGAME 21 67.35
759    Hard Image Recognition HIR 21 67.28
7063    Cycles, More Cycles CYCLE 21 82.50
41045    Obrazy i pokoje - Rooms and Pictures MWPZ029 20 22.68
13366    TWO KINGS CONQUER 19 58.15
13872    The SPP constant challenge SPPC 19 58.93
41043    Odwracanie kartek - Pages reading MWPZ031 19 27.27
7958    Prisoner of Benda (Challenge) BENDA 18 44.57
19397    Fibonacci Power Sum PWSUMF 17 51.88
31757    Hamster HAM 17 62.27
294    Johnny and the Optimisation of Homework HWORK 16 44.44
15673    Alice and Bob plays again CDGOLF1 16 66.78
356    Tethering the Mammoths MAMMOTH 15 76.24
17598    Guess The Number With Lies v4 GUESSN4 15 63.79
13175    "a mod b" in BF BFMODULO 14 63.33
12874    Pell Fourth PELLFOUR 13 58.02
155    Solving the Puzzle SOLVING 12 4.82
12655    Strongly Connected Chemicals SCCHEM 12 95.35
13923    Fractionated morse cipher FMORSE1 12 63.76
14530    Quadratic primes GOV04 12 56.77
15619    Optimal Swap Sort SWAPSORT 11 39.25
34317    Materializer MATE 11 42.84
13418    Fibonacci factorization BMS1988 10 29.70
22733    AAP Volunteers CDGLF2 10 63.64
8579    BF_MODULUS MODULUS2 9 47.15
19920    Strchr in BF BFSTR1 9 72.55
19972    Counting triangles 2 CT2 9 47.76
22739    Majority Party CDGLF4 9 53.95
11410    Find New SPOJ Problems FINDPROB 8 42.07
4163    Relative Board RELBOARD 6 36.36
17867    Tone Transposition TONES 6 66.96
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