Smallest number in an array

#include<stdio.h>
 
int main() {
   int a[30], i, num, smallest;
 
   printf("\nEnter no of elements :");
   scanf("%d", &num);
 
   //Read n elements in an array
   for (i = 0; i < num; i++)
      scanf("%d", &a[i]);
 
   //Consider first element as smallest
   smallest = a[0];
 
   for (i = 0; i < num; i++) {
      if (a[i] < smallest) {
         smallest = a[i];
      }
   }
 
   // Print out the Result
   printf("\nSmallest Element : %d", smallest);
 
   return (0);
}