编辑代码

#include <iostream>
using namespace std;
int Iterate(int n){
	if (n==1||n==2){
		return n;
	}
	int t1 = 2,t2 = 1,resu = 0;//int tick;
	for (int tick = 3;tick < n+1;++tick){
		resu =t1+t2;
		t2=t1;
		t1=resu;
	}
	return resu;
}
int main() {
   int count;
   for(int i=1;i<count+1;++i){
	cout<<"递推："<<i<<Iterate(i)<<"阶"<<endl;
   }
   return 0;
}