#include<stdio.h>
#define N 9
int fun(int a[],int n)
{
	int i,j=0;
	for(i=0;i<n;i++)
		if(a[i]%2==0)
		{
			a[j]=a[i];
			j++;
		}
		return j;
}
main()
{
	int b[N]={9,7,5,3,4,6,8,2,1},i,n;
	printf("\nThe original data :\n");
	for(i=0;i<N;i++)
		printf("%4d",b[i]);
	printf("\n");
	n=fun(b,N);
	printf("\nThe number of odd:%d\n",n);
	printf("\nThe odd nuber :\n");
	for(i=0;i<n;i++)
		printf("%4d",b[i]);
	printf("\n");
}

P100