题解 | #JZ52 两个链表的第一个公共结点#
两个链表的第一个公共结点
https://www.nowcoder.com/practice/6ab1d9a29e88450685099d45c9e31e46
/*
struct ListNode {
int val;
struct ListNode *next;
ListNode(int x) :
val(x), next(NULL) {
}
};*/
class Solution {
public:
ListNode* FindFirstCommonNode( ListNode* pHead1, ListNode* pHead2) {
ListNode* temp;
while(pHead1!= NULL){
temp = pHead2;
while(temp!=NULL){
if(pHead1 == temp){
return pHead1;
}
temp = temp->next;
}
pHead1 = pHead1->next;
}
return NULL;
}
};
