sumofarrayelements.java

//PRINTING SUM OF TWO ARRAY ELEMENTS 
//arr1[0]+arr2[0]. ,   ..... and also taking carry for the next array from previous one if any 
import java.util.*;
public class Program
{
    public static void main(String[] args)
    {
        Scanner scn=new Scanner (System.in);
        //receiving both the arrays
        int n1=scn.nextInt();
        int [] a1=new int[n1];
        for(int i=0;i<a1.length;i++)
        {
            a1[i]=scn.nextInt();
        }
        int n2=scn.nextInt();
        int [] a2=new int[n2];
        for(int i=0;i<a2.length;i++)
        {
            a2[i]=scn.nextInt();
        }

        int []sum=new int[n1>n2?n1:n2];
        int c=0;
        
        int i=a1.length-1;
        int j=a2.length-1;
        int k=sum.length-1;

        while(k>=0)
        {
            int d=c;

            if(i>=0){
            d+=a1[i];
           }
            if(j>=0)
           {
             d+=a2[j];
           }
           c=d/10;
           d=d%10;

           sum[k]=d;
           i--;
           j--;
           k--;
        }
    
      if(c!=0)
     {
        System.out.println(c);
     }
     for(int val:sum)
     {
        System.out.println(val);
     }
    }
}