New listnode(-1)

New listnode(0) meaning

public class ListNode {
    int val;
    ListNode next;
    ListNode(int x) {
        val = x;
        next = null;
    }
}

Source: hackingnote.com

New listnode(0) meaning

ListNode fast = head;
ListNode slow = head;

while (fast != null && fast.next != null) {
    slow = slow.next;
    fast = fast.next.next;
}

Source: hackingnote.com

New listnode(0) meaning

ListNode dummy = new ListNode(0);
dummy.next = head;

Source: hackingnote.com

New listnode(0) meaning

int size = 0;
while (node != null) {
    node = node.next;
    size++;
}

Source: hackingnote.com

New listnode(0) meaning

node.val = node.next.val;
node.next = node.next.next;

Source: hackingnote.com

New listnode(0) meaning

public ListNode getIntersectionNode(ListNode headA, ListNode headB) {
    int sizeA = 0, sizeB = 0;
    ListNode ptrA = headA, ptrB = headB;

    while (ptrA != null) {
        ptrA = ptrA.next;
        sizeA++;
    }

    while (ptrB != null) {
        ptrB = ptrB.next;
        sizeB++;
    }

    int diff = sizeA - sizeB;
    if (diff > 0) {
        while (diff-- > 0) {
            headA = headA.next;
        }
    } else {
        while (diff++ < 0) {
            headB = headB.next;
        }
    }

    while (headA != headB) {
        headA = headA.next;
        headB = headB.next;
    }

    return headA;
}

Source: hackingnote.com

Similar codes

0 vote342 views1 answer
Django auth user model
Python
41 votes417 views6 answers
Check if element in list Python
Python
18 votes809 views4 answers
Py to exe converter online
Python
22 votes329 views6 answers
What is palindrome number in python
Python
0 vote383 views1 answer
How to extract data from telegram using python
Python
0 vote363 views1 answer
Plot title overlapping yaxis python
Python
0 vote334 views1 answer
Using pypyodbc
Python
1 vote323 views1 answer
Wonsan
Python
0 vote336 views1 answer
Numpy distance of consecutive elements
Python
0 vote362 views1 answer
Python lxml get parent
Python