题解 | #牛牛的快递#
牛牛的快递
https://www.nowcoder.com/practice/41b42e7b3c3547e3acf8e90c41d98270
#include <stdio.h>
int main()
{
float weight;
int fees = 20; /*就算是个空包裹，只要产生订单也要收费*/
char expedited;
scanf("%f %c" , &weight, &expedited);
if((int)weight < weight) /* 判断是否小数点后有效 */
{
fees += weight; /* 利用类型自动转换机制处理首重问题 */
}
else
{
fees += weight-1; /* 重量为整数需要手动减去首重 */
}
if(expedited == 'y')
{
fees += 5;
}
printf("%d", fees);
return 0;
}
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