以下是引用陨落在2009-7-30 10:46的发言：

#include <stdio.h>
main()
{
    printf("Fahrenheit to Celsius\n");
    int s, x, b;
    float f, c;
    s = 300;
    x = 0;
    b = 20;
    f = x;
    while (f <=s) {
         c = 5.0 / 9.0 ...