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 ) { // write code here struct ListNode * cur = pListHead; int n=0; while(cur) { cur=cur->next; ++n; } if(k>n) { return NULL; } n=n-k; cur=pListHead; while(n) { cur=cur->next; n--; } return cur; }