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Delete Nth node from the end of the given linked list Solution - java

 Delete Nth node from the end of the given linked list Solution .

For Explanation Watch Video :






Code::

class Solution {
    public ListNode removeNthFromEnd(ListNode head, int n) {
        int count = 0;//5
        ListNode temp1 = head;
        while(temp1!=null){
            count++;
            temp1 = temp1.next;
        }
        if(count==n){
            return head.next;
        }
        ListNode temp2 = head;
        int remove = count - n;//3
        int count1 = 0;
        while(count1!=remove-1){
            temp2 = temp2.next;
            count1++;
        }
        temp2.next = temp2.next.next;
        return head;
    }
}

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