003 入力を促す文をforとswitchで省略-
#include<stdio.h>
main()
{
int a[15], i, sum = 0;
float avr;
for(i = 0; i <= 14; i++){
printf("Enter ");
switch (i){
case 0:
printf(" 1st ");
break;
case 1:
printf(" 2nd ");
break;
case 2:
printf(" 3rd ");
break;
default:
printf("%2dth ",i +1);
}
printf("data: ");
scanf("%d", &a[i]);
sum = sum + a[i];
}
avr = (float)sum / 15;
printf("Sum of all data = %3d\n", sum);
printf("average of all data = %4.1f\n", avr);
}