58 lines
1.4 KiB
Java
58 lines
1.4 KiB
Java
//输入一个链表的头节点，从尾到头反过来返回每个节点的值（用数组返回）。
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//
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//
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//
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// 示例 1：
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//
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// 输入：head = [1,3,2]
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//输出：[2,3,1]
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//
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//
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//
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// 限制：
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//
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// 0 <= 链表长度 <= 10000
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// Related Topics 栈 递归 链表 双指针 👍 173 👎 0
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package leetcode.editor.cn;
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import com.code.leet.entiy.ListNode;
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import java.util.ArrayList;
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import java.util.List;
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//剑指 Offer 06:从尾到头打印链表
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class CongWeiDaoTouDaYinLianBiaoLcof{
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public static void main(String[] args) {
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//测试代码
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Solution solution = new CongWeiDaoTouDaYinLianBiaoLcof().new Solution();
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}
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//力扣代码
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//leetcode submit region begin(Prohibit modification and deletion)
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/**
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* Definition for singly-linked list.
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* public class ListNode {
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* int val;
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* ListNode next;
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* ListNode(int x) { val = x; }
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* }
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*/
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class Solution {
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public int[] reversePrint(ListNode head) {
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List<Integer> list = new ArrayList<>();
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while (head != null) {
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list.add(head.val);
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head = head.next;
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}
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int size = list.size();
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int[] arr = new int[size];
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for (int i = size - 1; i >= 0; i--) {
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arr[i] = list.get(size - 1 - i);
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}
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return arr;
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}
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}
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//leetcode submit region end(Prohibit modification and deletion)
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} |