#include<stdio.h>
int main()
{
   int count=0;
   printf("%d,%d,%d\n",count++,count++,count++);
   return 0;
}

運算結果為

#include<stdio.h>
int main()
{
      int count=0;
    count=count++;
    printf("%d\n",count);
}

#include<stdio.h>
int main
 
()
{
      int count=0;
    count=++count;
    printf("%d\n",count);
}

#include<stdio.h>
int main()
{
      int count=0;
    count+=++count;
    printf("%d\n",count);
}

#include<stdio.h>
int main()
{
      int count=0;
    count+=count++;
    printf("%d\n",count)
 
;
}