题解 | 小乐乐走台阶
小乐乐走台阶
https://www.nowcoder.com/practice/ebf04de0e02c486099d78b7c3aaec255
#include <stdio.h>
int StepFun1(int n)
{
if (n == 1)
{
return 1;
}
else if (n == 2)
{
return 2;
}
return StepFun1(n - 1) + StepFun1(n - 2);
}
int main()
{
int n = 0;
int ret = 0;
scanf("%d", &n);
if (n >= 1 && n <= 30)
{
ret = StepFun1(n);
}
printf("%d\n", ret);
return 0;
}
）