07/07/04 15:59:25
>>284
#include<stdio.h>
int otsuri(int tanka, int kosu, int pay);
int main(void)
{
int t, k, p, o;
printf("単価：");
scanf("%d", &t);
printf("購入個数：");
scanf("%d", &k);
printf("支払金額：");
scanf("%d", &p);
printf("----------------- \n");
o=otsuri(t, k, p);
printf("おつり：%d\n",o);
return 0;
}
int otsuri(int tanka, int kosu, int pay)
{
return pay - tanka*kosu;
}