leet-code/src/main/java/leetcode/editor/cn/CongWeiDaoTouDaYinLianBiaoLcof.java

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2021-08-23 14:05:33 +08:00
//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)。
//
//
//
// 示例 1
//
// 输入head = [1,3,2]
//输出:[2,3,1]
//
//
//
// 限制:
//
// 0 <= 链表长度 <= 10000
// Related Topics 栈 递归 链表 双指针 👍 173 👎 0
package leetcode.editor.cn;
import com.code.leet.entiy.ListNode;
import java.util.ArrayList;
import java.util.List;
//剑指 Offer 06:从尾到头打印链表
class CongWeiDaoTouDaYinLianBiaoLcof{
public static void main(String[] args) {
//测试代码
Solution solution = new CongWeiDaoTouDaYinLianBiaoLcof().new Solution();
}
//力扣代码
//leetcode submit region begin(Prohibit modification and deletion)
/**
* Definition for singly-linked list.
* public class ListNode {
* int val;
* ListNode next;
* ListNode(int x) { val = x; }
* }
*/
class Solution {
public int[] reversePrint(ListNode head) {
List<Integer> list = new ArrayList<>();
while (head != null) {
list.add(head.val);
head = head.next;
}
int size = list.size();
int[] arr = new int[size];
for (int i = size - 1; i >= 0; i--) {
arr[i] = list.get(size - 1 - i);
}
return arr;
}
}
//leetcode submit region end(Prohibit modification and deletion)
}