Program to find Greatest Number in Array

#include<stdio.h>
#include<string.h>
#include<conio.h>
main(){
  int a[50];
  int  size, i, big;
  printf("\nEnter the size of the array: ");
  scanf("%d",&size);
  printf("\nEnter %d elements in to the array: ", size);
  for(i=0;i<size;i++)
      scanf("%d",&a[i]);
  big=a[0];
  for(i=1;i<size;i++){
      if(big<a[i])
           big=a[i];
  }
  printf("\nBiggest: %d",big);
getch();
}