#include<stdio.h>
#include<stdlib.h>
int main()
{
int a,b;
a=15;
printf("a= %d \n",a);
b=a++;
printf("b=a++\n a=%d,b=%d\n",a,b);
a=15;
printf("a= %d \n",a);
b=++a;
printf("b=++a\n a=%d,b=%d\n",a,b);
a=15;
printf("a= %d \n",a);
b=a--;
printf("b=a--\n a=%d,b=%d\n",a,b);
a=15;
printf("a= %d \n",a);
b=--a;
printf("b=a--\n a=%d,b=%d\n",a,b);
/* 求 a b 之值*/
system("pause");
return 0;
}