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find the merge point of two lists

Anjali Sharma answered on January 22, 2023 Popularity 3/10 Helpfulness 1/10

answer find the merge point of two lists

find the merge point of two lists

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class Node {
    int data;
    Node next;
    Node(int d)
    {
        data = d;
        next = null;
    }
}
class LinkedListIntersect {
    public static void main(String[] args)
    {
        // list 1
        Node n1 = new Node(1);
        n1.next = new Node(2);
        n1.next.next = new Node(3);
        n1.next.next.next = new Node(4);
        n1.next.next.next.next = new Node(5);
        n1.next.next.next.next.next = new Node(6);
        n1.next.next.next.next.next.next = new Node(7);
        // list 2
        Node n2 = new Node(10);
        n2.next = new Node(9);
        n2.next.next = new Node(8);
        n2.next.next.next = n1.next.next.next;
        Print(n1);
        Print(n2);
        System.out.println(MegeNode(n1, n2).data);
    }
  
    // function to print the list
    public static void Print(Node n)
    {
        Node cur = n;
        while (cur != null) {
            System.out.print(cur.data + "  ");
            cur = cur.next;
        }
        System.out.println();
    }
  
    // function to find the intersection of two node
    public static Node MegeNode(Node n1, Node n2)
    {
        // define hashset
        HashSet<Node> hs = new HashSet<Node>();
        while (n1 != null) {
            hs.add(n1);
            n1 = n1.next;
        }
        while (n2 != null) {
            if (hs.contains(n2)) {
                return n2;
            }
            n2 = n2.next;
        }
        return null;
    }
}

https://www.geeksforgeeks.org/write-a-function-to-get-the-intersection-point-of-two-linked-lists/

Popularity 3/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: find java merge point

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Contributed on Jan 22 2023

Anjali Sharma

0 Answers Avg Quality 2/10

find the merge point of two lists

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