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 num)
{
if (num <= 1)
return 1;
return fib(num-1) + fib(num-2);
}
int main(void)
{
int n = 0;
scanf("%d", &n);
printf("%d", fib(n));
return 0;
}
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