#include?<stdio.h>
int?feiyong(int?hour,int?length)
{
????float?sum=0;
????if(hour>=5&&hour<=23)
????{
????????if(length<=3)
????????{
????????????sum=13+1;
????????}
????????else
????????{
????????????sum=13+2.3*(length-3)+1;
????????}
????}
????else?if(hour<5&&hour>23)
????{
????????if(length<=3)
????????{
????????????sum=14;
????????}
????????else
????????{
????????????sum=13+1.2*2.3*length+1;
????????}
????}
????return?sum;
}
int?main()
{
????float?s;
????s=feiyong(9,12)+feiyong(18,12);
????printf("小明打車需要%d元\n",s);
????return?0;
}
為啥我這個(gè)結(jié)果總是0