题解 | #两个链表的第一个公共结点#

/*function ListNode(x){
    this.val = x;
    this.next = null;
}*/
function FindFirstCommonNode(pHead1, pHead2)
{
    if(pHead1 === null || pHead2 === null) return null
    let p1 = pHead1
    let p2 = pHead2
    while(p1 != p2) {
        p1 = p1?p1.next : pHead2;
        p2 = p2?p2.next : pHead1;
    }
    return p1
}
module.exports = {
    FindFirstCommonNode : FindFirstCommonNode
};