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list of challenge problems

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ID NAME CODE USERS ACC %
42574    Complex expression calculator COMEXP 0 0.00
155    Solving the Puzzle SOLVING 12 4.50
2729    Discover DISCOVER 2 8.02
41047    Wieża z wiader - Bucket tower MWPZ034 23 15.46
2824    Glenbow Museum SPOJTEST 3 18.52
3099    Super Quine SELF 87 19.12
13224    The BrainFast Processing! Challenge version FAST_BF2 3 19.70
41045    Obrazy i pokoje - Rooms and Pictures MWPZ029 20 22.68
18931    Sum of primes SUMPRIM1 58 25.30
41224    Skarbonka MPPZF 25 25.74
31362    Matrix Multiplication 4K MATRMUL 5 26.23
26753    lcm addition ADDLCMS 6 26.79
41043    Odwracanie kartek - Pages reading MWPZ031 19 27.27
13418    Fibonacci factorization BMS1988 10 29.70
1711    Greatest Common Divisor GCD 113 30.87
1690    Intercept INTER 42 31.67
8672    Distributing the balls BALLS 28 33.54
2732    Attack A Single Test File! SINGLEL 3 34.38
11462    Fun with Fibonacci Series (Challenge) FIBFUNCH 293 34.40
7105    Reverse the Input REVINPUT 549 34.63
2471    Magic Program II MAGIC2 68 35.60
1742    Brainf_ck BRAINF_K 73 36.25
4163    Relative Board RELBOARD 6 36.36
1416    Electrification ELC 38 38.73
11790    Size Contest!!!Reloaded!! JH1 350 38.74
2659    Carl CARL 70 39.19
15619    Optimal Swap Sort SWAPSORT 11 39.25
761    Minesweeper MSWP 54 41.06
525    Fractions Calculator TFRACAL2 54 41.07
11410    Find New SPOJ Problems FINDPROB 8 42.07
8315    Number to Word NUMWORD 230 42.52
225    Nightmare in the Towers of Hanoi HANOI 22 42.53
34317    Materializer MATE 11 42.84
30830    128bit-Fibonacci FIB128 24 42.94
246    Plant a Christmas Tree CTQUINE 89 43.11
6877    Terminating or Non-Terminating DEC_BIN 34 43.19
6646    Fully Parenthesized Expression BRACKETS 26 43.75
13423    64bit-Fibonacci FIB64 152 43.84
294    Johnny and the Optimisation of Homework HWORK 16 44.44
7958    Prisoner of Benda (Challenge) BENDA 18 44.57
11793    Cartesian Shortest Path CSPATH 55 44.59
6295    Area Difference SQDIFF 394 44.67
8473    PATHS WAYS 308 45.04
7480    Nth Prime NPRIME 621 45.61
11445    EASY MATH (Challenge) EASYMATC 177 46.12
11451    Aritho-geometric Series (AGS) (Challenge) AGSCHALL 57 46.54
353    Displace DISPLACE 45 46.77
31758    Artisticity ART 4 47.06
17257    Guess The Number With Lies v1 GUESSN1 33 47.13
8579    BF_MODULUS MODULUS2 9 47.15
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