#include <stdio.h>
#include <stdlib.h>
int main()
{
int a,n,s1,s2,s3,s4,s5;
scanf ("%d%d",&a,&n);
s1=a+a*0.0250*1;
s2=a+a*0.0243*2;
s3=a+a*0.0270*3;
s4=a+a*0.0288*5;
s5=a+a*0.0300*8;
switch(n)
{
case 1:
printf ("%d\n",s1);
break;
case 2:
printf("%d\n",s2);
break;
case 3:
printf ("%d\n",s3);
break;
case 5:
printf ("%d\n",s4);
break;
case 8:
printf("%d\n",s5);
break;
default:printf("Input error!\n");
}
return 0;
}
總結:學會switch的基本結構和意義,在編程過程中理解“default:printf(“Input error!\n”);”的意義,此處雖沒有特定要求,但還是要理解。