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added 60 characters in body

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edited Aug 8, 2017 at 23:12

Ruby, 6161 55+1 = 56 bytes

Uses the -n flag. Input from STDIN.

->n{s=n.to_s;p (1..z=s.size~/$/).sum{|i|eval s[i|i|[$_[i,z]+?++s[0~/$/],$_[0,i]}+n*z,$_].sum &:to_i}

->n{s=n.to_s;(1..z=s.size).sum{|i|eval s[i,z]+?++s[0,i]}+n*z}

Uses the -n flag. Input from STDIN.

p (1..~/$/).sum{|i|[$_[i,~/$/],$_[0,i],$_].sum &:to_i}

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created Aug 8, 2017 at 22:47

->n{s=n.to_s;(1..z=s.size).sum{|i|eval s[i,z]+?++s[0,i]}+n*z}