题解 | #链表中倒数最后k个结点#
链表中倒数最后k个结点
https://www.nowcoder.com/practice/886370fe658f41b498d40fb34ae76ff9
/**
* struct ListNode {
* int val;
* struct ListNode *next;
* };
*/
/**
* 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
*
*
* @param pHead ListNode类
* @param k int整型
* @return ListNode类
*/
struct ListNode* FindKthToTail(struct ListNode* pHead, int k ) {
if(pHead == NULL) return NULL;
struct ListNode* fast = pHead;
struct ListNode* slow = pHead;
int i;
for(i = 0; i < k; i++){
if(fast == NULL) return NULL;
fast = fast->next;
}
while(fast){
slow = slow->next;
fast = fast->next;
}
return slow;
// write code here
}
哔哩哔哩公司福利 724人发布