#include<iostream> using namespace std; int main(){ int f1=0,f2=1,t,n=1; cout<<"数列第1个："<<f1<<endl; cout<<"数列第2个："<<f2<<endl; for(n=3;n<=20;n++){ t=f2; f2=f1+f2; f1=t; cout<<"数列第"<<n<<"个："<<f2<<endl; } cout<<endl; return 0; }