习题4-8 高空坠球

Posted 2021-12-02 2018jason

 1 #include<stdio.h>
 2 
 3 int main()
 4 {
 5     int h, n, i;    //h初始化高度，n次落地；
 6     scanf_s("%d %d", &h, &n);
 7     double result, h1;
 8 
 9     if (n == 0)
10     {
11         result = 0;
12         h1 = 0;
13     }
14     else
15     {
16         result = h;        //在空中经过的总距离
17         h1 = h / 2.0;    //反弹的高度
18 
19         for (i = 1; i < n; i++)
20         {
21             result = result + h1 * 2;
22             h1 = h1 / 2;
23         }
24     }
25     
26     printf("%.1f %.1f", result, h1);
27 
28     return 0;
29 }