#18935. 斐波那契数列(Fibonacci) [1*+] 递归
斐波那契数列(Fibonacci) [1*+] 递归
说明
斐波那契数列(Fibonacci)【问题】f[0]=0,f[1]=1,f[n]=f[n-1]+f[n-2]。用递归的方法计算f[n]
【输入】n 【输出】f[n] 【限制】n<=45
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