剑指 Offer 52. 两个链表的第一个公共节点 - 力扣（LeetCode）
类似题：LeetCode第 160 题：相交链表(C++)_zj-博客
class Solution { public: ListNode *getIntersectionNode(ListNode *headA, ListNode *headB) { ListNode *node1 = headA, *node2 = headB; while(node1 != node2){ node1 = node1 == NULL ? headB : node1->next; node2 = node2 == NULL ? headA : node2->next; //cout << node1->val << " " << node2->val << endl; } return node1; } };