poj2871

简单题

View Code

#include <iostream>

#include <cstdlib>

#include <cstdio>

#include <cstring>

using namespace std;



int main()

{

    //freopen("t.txt", "r", stdin);

    double n, m;

    scanf("%lf", &m);

    while (scanf("%lf", &n), n != 999)

    {

        printf("%.2f\n", n - m);

        m = n;

    }

    printf("End of Output\n");

    return 0;

}