find sum and average of subjects

Problem

Write a program that asks the user to input marks in five different subjects. Then find the sum and average of those marks and print them.
Note: Solve the above problem by using array

Solution - Code

#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
main()
{
 int i,x,sum=0,avg;
 int num[5];
 for (i=0;i<5;i++)
 {
  printf("Enter numbers: ");
  scanf("%d",&num[i]);
 }
 for (i=0;i<5;i++)
 {
  sum = sum + num [i];
 }
 avg =(sum/5);
 printf ("sum = %d\n",sum);
 printf ("average = %d\n",avg);
 system("pause");
}

Sample Output