zoj1763

简单题

#include <iostream>#include <iomanip>using namespace std;int main(){    double a,b;    cin >> a;    while(1)    {        cin >> b;        if(b == 999)        {           cout << "End of Output" << endl;            break;        }        cout << setiosflags(ios::fixed);        cout << setprecision(2) << b - a << endl;        a = b;    }    return 0;}