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list of challenge problems

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ID NAME CODE USERS ACC %
378    Size Contest SIZECON 10754 55.91
53    Kamil KAMIL 6370 49.35
270    Digits of Pi PIVAL 5871 71.27
314    Digits of e EVAL 2997 59.55
1423    Digits of SQRT(2) SQRT2 2737 67.39
11746    Sum the Series SUMUP 1865 58.88
919    Prime checker PRIC 1620 65.43
127    Johnny Goes Shopping JOHNNY 1502 65.88
3947    Brainf F##k Writing BFWRITE 1498 74.48
5842    Polybius square POLYBIUS 1027 59.23
8102    Christmas Tree XMAS 826 66.24
6125    Dos Date DDATE 788 55.80
2004    Analyse Simple Arithmetical Expressions EXPR2 724 51.31
7480    Nth Prime NPRIME 618 45.56
3880    Nop NOP 607 49.87
7105    Reverse the Input REVINPUT 544 34.48
4246    Place the Numbers II PLCNUM2 540 66.32
1492    Lexicographic sort SLEXSORT 479 50.70
1414    SuDoku Puzzle SUD 432 53.73
6295    Area Difference SQDIFF 388 44.61
11790    Size Contest!!!Reloaded!! JH1 347 38.70
12845    Minimum knight moves Challenge NAKANJC 344 72.10
317    Simple Image Recognition IMGREC1 317 72.56
8473    PATHS WAYS 308 44.95
22717    Kejriwal And Broom CDGLF1 300 56.92
8676    Digits of Phi (Golden Ratio) PHIVAL 293 53.67
11462    Fun with Fibonacci Series (Challenge) FIBFUNCH 288 34.35
8675    Equation Check EQCHECK 262 57.52
72    Food Shortage in Byteland BYTEFOOD 260 54.90
8315    Number to Word NUMWORD 227 42.39
218    Points on a Sphere PSPHERE 189 67.55
11975    PIEK PIEK2 182 92.21
528    Shortest Superstring TSSTR 174 48.18
316    Japan Crossword JCROSS 159 68.28
7225    Word To Number WORDNUM 156 61.22
11445    EASY MATH (Challenge) EASYMATC 156 45.90
13423    64bit-Fibonacci FIB64 149 43.78
4760    Primes in Brainf##k HS09BF 139 66.30
8638    Sum of Fibonacci numbers FIBSUM 135 72.81
298    Closing down Railway Lines DERAIL 131 83.37
19558    PPrimes PPRIME 131 57.25
12996    Wow Square WOW_SQR 125 55.34
9380    Connecting three towns THREETWN 122 81.08
240    Santa Claus and the Presents SANTA 121 73.44
285    Atomic Shelters ATSHELT 121 63.05
1422    Digital Image Processing DIP 121 74.53
2628    Markov Algorithm MAR 116 49.13
1711    Greatest Common Divisor GCD 108 31.68
126    Solovay-Strassen Inverted SOLSTRAS 101 57.57
15036    Automatic Brainf##k Code Generator (Shortening AI) BFK_AUTO 92 51.86
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