ch17-8.c

C语言程序设计上机指导与练习 冶金工业出版社 刘怀亮

#include "stdio.h"
main()
{
   int x;
   printf("Enter an integer: ");
   scanf("%d",&x);
   if(x!=0)
   {
      if(x>0) 
      {
        x=x%2;
        if(x==0) 
           printf("正偶数\n");
        else 
           printf("正奇数\n");
	  }
      else
      {
        x=x%2;
        if(x==0) 
          printf("负偶数\n");
        else 
          printf("负奇数\n");
      }
   }
   else 
     printf("This integer is a zero.\n");
}