/* struct ListNode { int val; struct ListNode *next; ListNode(int x) : val(x), next(NULL) { } };*/ class Solution { public: ListNode* FindFirstCommonNode( ListNode* pHead1, ListNode* pHead2) { ListNode *p1 = pHead1; ListNode *p2 = pHead2; //不是自己的事就互相甩锅,都甩不掉时,第一个公事就找到了 while(...