highest number in a array

#include<stdio.h>
#include<conio.h>
int main()

{int a[5],h=a[0],i;
for(i=0;i<5;++i)
scanf("%d",&a[i]);
for(i=0;i<5;++i)
{if(a[i]>a[0])
{a[0]=a[i];
h=a[0];}
}
printf("highestis %d",h);
getch();
return 0;
}