ex1.c

来自「零基础单片机C语言设计全套教程」· C语言 代码 · 共 16 行

#include <stdio.h>								//头文件
#define SCORE 65								//宏定义变量

void main()									//主函数
{
#if SCORE>=90								//开始条件编译
	printf("You are very good!\n");
#elif SCORE>=80
	printf("You are good!\n");
#elif	SCORE>=60
	printf("You passed the exam!\n");
#else
	printf("You haven't passed the exam!\n");
#endif										//条件编译结束
}