题解 | #单链表的排序#
单链表的排序
https://www.nowcoder.com/practice/f23604257af94d939848729b1a5cda08
# class ListNode: # def __init__(self, x): # self.val = x # self.next = None # # 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 the head node # @return ListNode类 # class Solution: def sortInList(self , head: ListNode) -> ListNode: # write code here em = [] this = head while this is not None: em.append(this.val) this = this.next em = sorted(em) newval = em[0] newhead = ListNode(newval) last = newhead for i in range(1,len(em)): thisnew = ListNode(em[i]) last.next = thisnew last = thisnew return newhead