题解 | #链表中倒数第k个结点#
链表中倒数第k个结点
https://www.nowcoder.com/practice/529d3ae5a407492994ad2a246518148a
/** * struct ListNode { * int val; * struct ListNode *next; * }; */ /** * * @param pListHead ListNode类 * @param k int整型 * @return ListNode类 */ struct ListNode* FindKthToTail(struct ListNode* pListHead, int k ) { struct ListNode* fast=pListHead; struct ListNode* slow=pListHead; while(fast) { if(k>0) { fast=fast->next; k--; } else if(k==0) { fast=fast->next; slow=slow->next; } } if(k>0) { slow=NULL; } return slow; }