poj 2871

//poj 2871 怎么还有这么水的题、、#include <iostream>#include <iomanip>using namespace std;int main(){double a, b;cin>>a;cin>>b;while(b < 201 && !cin.eof()){cout<<fixed<<setprecision(2)<<b-a<<endl;a = b;cin>>b;}cout<<"End of Output"<<endl;return 0;}