git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66447 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
11 lines
131 B
Python
11 lines
131 B
Python
# calculate Fibonacci(20)
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# for benchmark
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def fib(n):
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if n<2:
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return n
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else:
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return fib(n-2)+fib(n-1)
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print(fib(20))
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