15分钟完成

#include<iostream>
using namespace std;
int main()
{
    //freopen("xxx.in","r",stdin);
    //freopen("yyy.out","w",stdout);
    int n,a=0,b=1,c=a+b;
    cin >> n;
    for(int i=0;i<n;i++)
    {
        cout << a << " ";
        a=b;
        b=c;
        c=a+b;
    }
    //fclose(stdin);
    //fclose(stdout);
    return 0;
}