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edited Apr 13, 2017 at 12:39

Ruby, histocrat Ruby, histocrat

p [x=1,y=1,*(1..200).map{|i|z=y;y+=(y*x**(i-1)+x%2).divmod(i)[2-1]?x:1;x=z;y}].-([x-1])[gets.to_i-1]

Ruby, histocrat

p [x=1,y=1,*(1..200).map{|i|z=y;y+=(y*x**(i-1)+x%2).divmod(i)[2-1]?x:1;x=z;y}].-([x-1])[gets.to_i-1]

p [x=1,y=1,*(1..200).map{|i|z=y;y+=(y*x**(i-1)+x%2).divmod(i)[2-1]?x:1;x=z;y}].-([x-1])[gets.to_i-1]

Edited to make the fib seq start from 1.

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edited Dec 31, 2014 at 15:23

Vectorized

p [x=0[x=1,y=1,*(1..200).map{|i|z=y;y+=(y*x**(i-1)+x%2).divmod(i)[2-1]?x:1;x=z;y}].-([x-1])[gets.to_i-1]

p [x=0,y=1,*(1..200).map{|i|z=y;y+=(y*x**(i-1)+x%2).divmod(i)[2-1]?x:1;x=z;y}].-([x-1])[gets.to_i-1]

p [x=1,y=1,*(1..200).map{|i|z=y;y+=(y*x**(i-1)+x%2).divmod(i)[2-1]?x:1;x=z;y}].-([x-1])[gets.to_i-1]

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answered Dec 31, 2014 at 0:39

Vectorized

p [x=0,y=1,*(1..200).map{|i|z=y;y+=(y*x**(i-1)+x%2).divmod(i)[2-1]?x:1;x=z;y}].-([x-1])[gets.to_i-1]