出租车计价

 1 #include<stdio.h>
 2 
 3 int main(void)
 4 {
 5     double length;
 6     int time;
 7     double money;
 8 
 9     scanf_s("%lf %d", &length, &time);
10 
11     if (length <= 3)
12     {
13         money = 10;
14     }
15     else
16     {
17         if (length <= 10)
18         {
19             money = 10 + (length - 3) * 2;
20         }
21         else
22         {
23             money = 10.0 + (10.0 - 3) * 2.0 + (length - 10) * 3;
24         }
25     }
26 
27     money = money + time / 5 * 2.0;
28 
29     printf("%d", (int)(money + 0.5));　　//四舍五入
30 
31     return 0;
32 }