实验二4

#include "stdafx.h"

int main(int argc, char* argv[])
{
 double a,rate,tax,profit;
 scanf("%lf",&a);
 if(a<500)
 {
  rate=0.00;
        tax=rate*a;
  profit=a-tax;
  printf("%lf\n%lf\n%lf\n",rate,tax,profit);
 }
    else if(a>=500&&a<1000)
 {
  rate=0.05;
      tax=rate*a;
  profit=a-tax;
        printf("%lf\n%lf\n%lf\n",rate,tax,profit);
 }
    else if(a>=2000&&a<5000)
 {
  rate=0.08;
     tax=rate*a;
  profit=a-tax;
     printf("%lf\n%lf\n%lf\n",rate,tax,profit);
 }
 else
 {
  rate=0.15;
      tax=rate*a;
  profit=a-tax;
     printf("%lf\n%lf\n%lf\n",rate,tax,profit);
 }
  
  return 0;
}

#include<stdafx.h>
  int main()
 {
      double a,rate,profit,tax;
      scanf("%lf",&a);
      int c;
      c=a/500;
      switch(c)
     {

        case 0:rate=0.00;break;
        case 1:rate=0.05;break;
        case 2:rate=0.08;break;
        case 3:rate=0.08;break;
        case 4:rate=0.10;break;
        case 5:rate=0.10;break;
        case 6:rate=0.10;break;
        case 7:rate=0.10;break;
        case 8:rate=0.10;break;
        case 9:rate=0.10;break;
        case 10:rate=0.15;break;
     }
     tax=a*rate;
     profit=a-tax;
     printf("a=%lf,rate=%lf,tax=%lf,profit=%lf",a,rate,tax,profit);
     return 0;
 }