C实例程序

/* platinum.c  -- your weight in platinum */
#include <stdio.h>
int main(void)
{
    float weight;    /* user weight             */
    float value;     /* platinum equivalent     */

    printf("Are you worth your weight in platinum?\n");
    printf("Let's check it out.\n");
    printf("Please enter your weight in pounds: ");

    /* get input from the user                     */
    scanf("%f", &weight);
    /* assume platinum is $1700 per ounce          */
    /* 14.5833 converts pounds avd. to ounces troy */
    value = 1700.0 * weight * 14.5833;
    printf("Your weight in platinum is worth $%.2f.\n", value);
    printf("You are easily worth that! If platinum prices drop,\n");
    printf("eat more to maintain your value.\n");

    return 0;
}