HDOJ 1021 Fibonacci Again解题报告

#include<iostream>#include <string>using namespace std;int main(){int n;while(cin>>n){int f1=1,f2=2,fn=1;for(int i=1;i<n;i++){fn=(f1+f2)%3;f1=f2;f2=fn;}if(fn)cout<<"no"<<endl;elsecout<<"yes"<<endl;}return 0;} 

 

 

 

Andy编辑于2010-08-21   00:57:11