chaning upper with array

#include<stdio.h>
#include<conio.h>
main()
{
     int a[10];
     int i, n, large;
     printf("How many mumbers=");
     scanf("%d", &n);
     for (i = 0; i<n; i++)
     {
         printf("Enter numbers = ");
         scanf("%d", &a[i]);
         }
         printf("\n largest no =%d", large);
         fflush(stdin);
         getchar();
         }