题解 | #斐波那契数列#
斐波那契数列
https://www.nowcoder.com/practice/ee5d403c1172487f8c7915b3c3d924c6
#include<iostream>
using namespace std;
int f(int n){
if(n==1||n==2)return 1;
return f(n-1)+f(n-2);
}
int main(){
int n;
cin>>n;
cout<<f(n);
return 0;
}
