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list of challenge problems

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ID NAME CODE USERS ACC %
11410    Find New SPOJ Problems FINDPROB 8 42.66
11445    EASY MATH (Challenge) EASYMATC 159 45.68
11451    Aritho-geometric Series (AGS) (Challenge) AGSCHALL 55 47.17
11462    Fun with Fibonacci Series (Challenge) FIBFUNCH 289 34.35
11689    Real Roots REALROOT 36 93.08
11719    The dojo s corridor M5TILE 71 64.41
11746    Sum the Series SUMUP 1931 58.76
11790    Size Contest!!!Reloaded!! JH1 347 38.70
11793    Cartesian Shortest Path CSPATH 54 43.98
11815    Tiling a WxH Grid With Dominoes MNTILE 41 54.16
11849    A Very Easy Problem! (Challenge Mode) EPROBLEM 81 50.95
11975    PIEK PIEK2 181 92.21
12393    Enigma Machine ENIGMAS 21 56.96
12655    Strongly Connected Chemicals SCCHEM 7 94.59
12845    Minimum knight moves Challenge NAKANJC 345 72.11
12874    Pell Fourth PELLFOUR 13 64.17
12919    Man of Steel MOS 25 67.46
12996    Wow Square WOW_SQR 126 55.39
13366    TWO KINGS CONQUER 17 62.42
13418    Fibonacci factorization BMS1988 10 30.60
13423    64bit-Fibonacci FIB64 151 43.89
13872    The SPP constant challenge SPPC 19 61.46
13929    Matrix Exponentiation MATEX 84 50.33
14530    Quadratic primes GOV04 10 63.31
15036    Automatic Brainf##k Code Generator (Shortening AI) BFK_AUTO 92 51.86
15619    Optimal Swap Sort SWAPSORT 9 43.29
15673    Alice and Bob plays again CDGOLF1 14 67.01
16509    Divisors TJUC1 55 61.14
17257    Guess The Number With Lies v1 GUESSN1 31 47.29
17308    Guess The Number With Lies v2 GUESSN2 68 54.30
17598    Guess The Number With Lies v4 GUESSN4 13 63.16
17820    Guess The Number With Lies v5 GUESSN5 72 72.66
17867    Tone Transposition TONES 5 66.36
18073    Colour Brick Game BRICKGM 52 88.66
18837    Boring Factorials (Ultimate) BORING3 24 50.36
18901    The Secret Recipe CEBITO 45 77.84
18931    Sum of primes SUMPRIM1 55 25.20
19205    Modular Bernoulli MODBERN 6 67.21
19206    Power Sum PWSUMC 39 52.92
19397    Fibonacci Power Sum PWSUMF 17 56.02
19558    PPrimes PPRIME 131 57.15
19972    Counting triangles 2 CT2 9 52.94
20651    Reliability of Logic Circuits ZRELY1 49 66.56
22217    Help Santa Claus to Pack the Toys XMAS2014 5 65.64
22717    Kejriwal And Broom CDGLF1 303 56.77
22733    AAP Volunteers CDGLF2 10 63.64
22734    Mr Phoenix And OR Operation CDGLF3 6 52.17
22739    Majority Party CDGLF4 9 53.95
26321    God Number is 20 (Rubik) GODNIS20 25 65.86
26800    Lawnmower LAWN 49 66.11
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