36 lines
1.3 KiB
Ruby
36 lines
1.3 KiB
Ruby
str="73167176531330624919225119674426574742355349194934"
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str<<="96983520312774506326239578318016984801869478851843"
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str<<="85861560789112949495459501737958331952853208805511"
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str<<="12540698747158523863050715693290963295227443043557"
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str<<="66896648950445244523161731856403098711121722383113"
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str<<="62229893423380308135336276614282806444486645238749"
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str<<="30358907296290491560440772390713810515859307960866"
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str<<="70172427121883998797908792274921901699720888093776"
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str<<="65727333001053367881220235421809751254540594752243"
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str<<="52584907711670556013604839586446706324415722155397"
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str<<="53697817977846174064955149290862569321978468622482"
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str<<="83972241375657056057490261407972968652414535100474"
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str<<="82166370484403199890008895243450658541227588666881"
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str<<="16427171479924442928230863465674813919123162824586"
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str<<="17866458359124566529476545682848912883142607690042"
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str<<="24219022671055626321111109370544217506941658960408"
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str<<="07198403850962455444362981230987879927244284909188"
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str<<="84580156166097919133875499200524063689912560717606"
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str<<="05886116467109405077541002256983155200055935729725"
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str<<="71636269561882670428252483600823257530420752963450"
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t=[]
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max=0
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str.each_char do |d|
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t<<=d.to_i
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if t.length > 5
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t=t[1..6]
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end
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mul=1
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t.each { |x| mul=mul*x }
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if mul > max
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max=mul
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puts max
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end
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end
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puts max
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