题解 | #从尾到头打印链表# golang

package main
import . "nc_tools"
import "container/list"
/*
 * type ListNode struct{
 *   Val int
 *   Next *ListNode
 * }
 */

/**
 * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
 * 
 * @param head ListNode类 
 * @return int整型一维数组
*/
func printListFromTailToHead( head *ListNode ) []int {
    // write code here
    l := list.New()
    length := 0
    for ; head != nil ;head = head.Next {
        l.PushFront(head.Val)
        length++
    }

    answer := make([]int,length)
    item := l.Front()
    for i:=0;i<length;i++ {
        answer[i]=(item.Value).(int)
        item = item.Next()
    }

    return answer

}