#include<stdio.h>
int high(int a[]);
void main()
{
	int a[4]={1,2,3,4};
	int *p=a;
	printf("%d",high(p))
}
int high(int *p)
{
	int i=0,high=1;
	for(i=0;i<4;i++)
	{
		if(a[i]>high)
			high=a[i];
	}
	printf("%d",high);
}