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added 72 characters in body

edited Jun 18, 2012 at 5:33

Python (136 133)

The standard method for continued fractions, extremely golfed.

a=input()**.5 D=int(a);b=[];d=0 while True: a=1/(a%1) b+=[int(a)] d+=1 c=b[:d/2] if c==b[d/2:]:print D,";%s;"%str(c)[1:-1];break

answered Jun 18, 2012 at 5:27