#include <stdio.h>  
int main()  
{
    int n, i , j, sum = 0;
    printf("enter size : ");
    scanf("%d",&n);
    int arr[n];
    printf("enter elements : ");
    for(i=0; i<n; i++)
    {
        scanf("%d",&arr[i]);
    }
    for(i=0; i<n; i++)
    {
        sum = sum + (arr[i]*arr[i]);
    }
    printf("Sum is : %d",sum);
    return 0;
}