习题4-8 高空坠球

 1 #include<stdio.h>
 2 
 3 int main(void)
 4 {
 5     int height, n;
 6     double sum, h;
 7 
 8     scanf_s("%d %d", &height, &n);
 9 
10     for (int i = 0; i <= n; i++)
11     {
12         if (i == 0)
13         {
14             sum = 0;
15             h = 0;
16         }
17         
18         if (i == 1)
19         {
20             sum = height;
21             h = height / 2.0;
22         }
23 
24         if (i > 1)
25         {
26             sum = sum + h * 2;
27             h = h / 2;
28         }
29     }
30 
31     printf("%.1f %.1f\n", sum, h);
32     
33     return 0;
34 }