题解 | #小乐乐走台阶#
小乐乐走台阶
https://www.nowcoder.com/practice/ebf04de0e02c486099d78b7c3aaec255
#include <stdio.h>
int Fib(int n)
{
if (n == 1)
return 1;
else if (n == 2)
return 2;
else
return Fib(n-1) + Fib(n-2);
}
int main()
{
int n = 0;
scanf("%d",&n);
int ret = Fib(n);
printf("%d",ret);
return 0;
}
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