programme to find out max value in array

#include<stdio.h>
#include<conio.h>
void main()
{
int a[10],max,b;
clrscr();
for(b=0;b<10;b++)
{
printf("a[%d]=",b);
scanf("%d",&a[b]);
}
max=a[b];
for(b=0;b<10;b++)
{
if(a[b]>max)
max=a[b];
}
printf("the max value is=%d",max);
getch();
}