2回答

• 

  哦多克3118188

  2017-11-27 16:17:02

  #include<stdio.h>

  double taxifee(double hours,double distance);

  
  

  int main()

  {

  printf("enter hours and distance\n");

  int  hours,distance;

  double totalprice;

  scanf("%lf %lf",&hours,&distance);

  taxifee(hours,distance);

  printf("the fee is %lf",totalprice);

  return 0;

  }

  
  

  double taxifee(double hours,double distance)

  {

  double totalprice=0.0;

  double perprice=2.3;

  double startprice=13.0;

  if(hours<0||hours>24)

  {

  printf("enter a correct number~~\n");

  return 0;

  }

  else if (hours>=5 && hours<23)

  {

  perprice = perprice;

  }else

  {

      perprice *= 1.2;

  }

  
  

  if(distance<=3)

  {

  totalprice=startprice;

  }

  else 

  {

  totalprice=startprice+(distance-3)*perprice;

  }

  totalprice++;

  return totalprice;

  }

  
  

  0 0
• 

  qq_林木_03826380

  2017-11-14 21:19:01

  else if (hours<5&&hours>=23)这句中的&&应该改为||

  0 0