>>898
③
#include <stdio.h>
#include <stdlib.h>
/* define を使った定義 */
#define NUM 10
#define DEBUG 0
int main(void)
{
int array[NUM];
int *p = array;
int sum = 0, i;
double heikin = 0;

printf("Input %d integer.\n", NUM);
for(i = 0; i < NUM; i++) {
scanf("%d", &array[i]);
sum += *p++;
}
heikin = sum / (double)NUM;
#if DEBUG == 1
printf("Input numbers:\n");
for(i = 0; i < NUM; i++)
printf("%d ", *p++);
printf("\n");
#elif DEBUG == 2
printf("goukei = %d\n", sum);
#endif
printf("heikin = %f \n", heikin);
return 0;
}