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
function FindKthToTail(pHead, k) { // write code here let l = 0; let start = pHead; // 获取链表长度 while (start) { start = start.next; l++; } // 通过链表长度来减去k值来返回倒数的第k的结点,若链表长度比k值则返回null if (l >= k) { for (let i = 1; i <= l - k; i++) { pHead = pHead.next; } return pHead; } else { return null; } } module.exports = { FindKthToTail: FindKthToTail, };