【剑指offer】JZ14链表中倒数第k个结点C++

JZ14 链表中倒数第k个结点 C&＃43;&＃43;

/*
struct ListNode {int val;struct ListNode *next;ListNode(int x) :val(x), next(NULL) {}
};*/
class Solution {
public:ListNode* FindKthToTail(ListNode* pListHead, unsigned int k) {if(!pListHead || k <&＃61; 0) return NULL;ListNode *p &＃61; pListHead, *q &＃61; pListHead;while(k > 0) {q &＃61; q->next;k--;if(!q && k) return NULL;}while(q) {p &＃61; p->next;q &＃61; q->next;}return p;}
};