postage.c

c primer plus 第五版 的源代码

// postage.c -- first-class postage rates
#include <stdio.h>
int main(void)
{
    const int FIRST_OZ = 37;
    const int NEXT_OZ = 23;
    int ounces, cost;

    printf(" ounces  cost\n");
    for (ounces=1, cost=FIRST_OZ; ounces <= 16; ounces++,
          cost += NEXT_OZ)
        printf("%5d   $%4.2f\n", ounces, cost/100.0);
  
    return 0;
}