/* struct ListNode { int val; struct ListNode *next; ListNode(int x) : val(x), next(NULL) { } };*/ #include <cstdio> class Solution { public: //双指针 //让每个指针都走两次链表,当步数相等时,两个指针会相遇,就是链表相交的点 ListNode* FindFirstCommonNode( ListNode* pHead1, ListNode* pHead2) { ListNode* tmp1 = pHead1; ListNode* tmp2...