我用C语言编一下啊.其他语言类似!
#include
void sort(int n)
{
if(n%2==0)
printf("the number is double \n");
else
printf("the number is odd\n");
}
int main()
{
int n;
printf("please input a number:\n");
scanf("%d",&n);
sort(n);
return 0;
}