题解 | #跳台阶#
跳台阶
https://www.nowcoder.com/practice/bfb2a2b3cdbd4bd6bba0d4dca69aa3f0
#include<bits/stdc++.h>
using namespace std;
long long a[55]={0,1,2},n;
int main()
{
for(int i=3;i<=50;i++)
a[i]=a[i-1]+a[i-2];
while(cin>>n)
cout<<a[n]<<endl;
return 0;
}
给个赞吧!



