#include <stdio.h>
void inv(int*x,int n)
{
int *p,temp,*i,*j,m=(n-1)/2;
i=x;j=x+n-1;p=x+m;
for(;i<=p;i++,j--)
{temp=*i;*i=*j;*j=temp;}
return;
}
void mian()
{int i,a[10]={3,7,9,111,0,6,7,5,4,2};
printf("The original array:\n");
for(i=0;i<10;i++)
printf("%d,",a[i]);
printf("\n");
inv(a,10);
printf("The array has been inverted:\n");
for(i=0;i<10;i++)
printf("%d,",a[i]);
printf("\n");
}