【C 语言菜鸟之旅】1.4使用符号常量打印0, 20,...,300华氏温度与摄氏温度对照表

#include <stdio.h>#define LOWER 0#define UPPER 300#define STEP 20main(){    int fahr;    for( fahr = LOWER; fahr <= UPPER; fahr = fahr+STEP )        printf("%3d %6.1f\n",fahr, (fahr-32)*(5/9.0));}