例2.cpp

c语言书籍&课件&示例代码

#include<stdio.h>
#define ONE 1
#define TWO1 ONE+ONE
#define TWO2 (ONE+ONE)
void main()
{  int x,y;
   x=3*TWO1;
   y=3*TWO2;
   printf("%d,%d\n",x,y);
}