-
Notifications
You must be signed in to change notification settings - Fork 7
/
Program.cs
58 lines (57 loc) · 1.61 KB
/
Program.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
using System;
using System.Collections.Generic;
using System.Linq;
namespace SortList
{
public class ListNode
{
public int val;
public ListNode next;
public ListNode(int x) { val = x; }
}
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
}
public ListNode SortList(ListNode head)
{
if (head == null)
return null;
ListNode dummy = new ListNode(0);
dummy.next = head;
ListNode point = head;
while (point.next != null)
{
if (point.val <= point.next.val)
point = point.next;
else
{
ListNode q = dummy;
ListNode tem = point.next;
point.next = point.next.next;
while (q.next.val < tem.val)
q = q.next;
tem.next = q.next;
q.next = tem;
}
}
return dummy.next;
}
public ListNode SortList_Linq(ListNode head)
{
if (head == null) return null;
var nodes = new List<ListNode>();
while (head != null)
{
nodes.Add(head);
head = head.next;
}
nodes = nodes.OrderBy(x => x.val).ToList();
for (int i = 0; i < nodes.Count; i++)
nodes[i].next = i == nodes.Count - 1 ? null : nodes[i + 1];
return nodes[0];
}
}
}