Find the maximum and minimum value in an array (pointer)

#include<stdio.h>
void xz(int *a,int n);
int max,min;
intmain()
{
	int a[10],i,n;
	for(i=0;i<10;i++)
	{
		scanf("%d",&a[i]);
	}
	scanf("%d",&n);
	xz(a,n);
	printf("%d %d",max,min);
}
void xz(int *a,int n)
{
	int *p,i;
	max=min=a[0];
	p=a;
	for(i=1;i<10;i++)
	{
		if(*(p+i)>max)
		{
			max=*(p+i);
		}
		if(*(p+i)<min)
		{
			min = * (p + i);
		}
	}
}

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