C語(yǔ)言程序課程設(shè)計(jì)出租車計(jì)費(fèi)器
1.     源代碼如下:

# include "stdio.h"

#include "conio.h"

float xiali();

float qirui();

float xuetielong();

float sangtana();

float pay;

main()

   {

   int model;

    float juli,pay;

    clrscr();


    gotoxy(1,10);

    printf("*********************** MENU ********************************\n");

    printf("1: Welcome to ride the rental car of xiali \n");

    printf("2: Welcome to ride the rental car of qirui \n");

    printf("3: Welcome to ride the rental car of xuetielong\n");

    printf("4: Welcome to ride the rental car of sangtana\n");

    printf("*********************************************************\n");

   printf("input model:");

    scanf("%d",&model);

    printf("input juli:");

    scanf("%f",&juli);

    switch(model)

     {case 1:pay=xiali(juli);        break;

      case 2:pay=qirui(juli);        break;

      case 3:pay=xuetielong(juli);   break;

      case 4:pay=sangtana(juli);     break;

     }

      

      printf("your pay is:%f\n",pay); 

     }

    float xiali(float distance)

      {if (distance<=3)

           pay=5;

       else

           pay=5+(distance-3)*1.2;

      return pay;

      }

    float qirui(float distance)

       { if(distance<=4)

           pay=6;

         else

           pay=6+(distance-4)*1.2;

       return pay;         

       }

    float xuetielong(float distance)

       { if(distance<=4)

            pay=4;

          else

            pay=4+(distance-4)*1.2;

       return pay;

         }

    float sangtana(float distance)

        { if(distance<=3)

            pay=6;

          else

            pay=6+(distance-4)*1.2;

        return pay;

       }