Update solution 0148

This commit is contained in:
YDZ
2020-12-11 23:34:50 +08:00
parent 85dfc8b80c
commit 3881a5a214
2 changed files with 8 additions and 22 deletions

View File

@ -25,17 +25,17 @@ func sortList(head *ListNode) *ListNode {
return head return head
} }
middleNode := middleNode1(head) middleNode := middleNode(head)
cur = middleNode.Next cur = middleNode.Next
middleNode.Next = nil middleNode.Next = nil
middleNode = cur middleNode = cur
left := sortList(head) left := sortList(head)
right := sortList(middleNode) right := sortList(middleNode)
return mergeTwoLists148(left, right) return mergeTwoLists(left, right)
} }
func middleNode1(head *ListNode) *ListNode { func middleNode(head *ListNode) *ListNode {
if head == nil || head.Next == nil { if head == nil || head.Next == nil {
return head return head
} }
@ -48,21 +48,6 @@ func middleNode1(head *ListNode) *ListNode {
return p1 return p1
} }
func mergeTwoLists148(l1 *ListNode, l2 *ListNode) *ListNode {
if l1 == nil {
return l2
}
if l2 == nil {
return l1
}
if l1.Val < l2.Val {
l1.Next = mergeTwoLists(l1.Next, l2)
return l1
}
l2.Next = mergeTwoLists(l1, l2.Next)
return l2
}
func mergeTwoLists(l1 *ListNode, l2 *ListNode) *ListNode { func mergeTwoLists(l1 *ListNode, l2 *ListNode) *ListNode {
if l1 == nil { if l1 == nil {
return l2 return l2

View File

@ -54,17 +54,17 @@ func sortList(head *ListNode) *ListNode {
return head return head
} }
middleNode := middleNode1(head) middleNode := middleNode(head)
cur = middleNode.Next cur = middleNode.Next
middleNode.Next = nil middleNode.Next = nil
middleNode = cur middleNode = cur
left := sortList(head) left := sortList(head)
right := sortList(middleNode) right := sortList(middleNode)
return mergeTwoLists148(left, right) return mergeTwoLists(left, right)
} }
func middleNode1(head *ListNode) *ListNode { func middleNode(head *ListNode) *ListNode {
if head == nil || head.Next == nil { if head == nil || head.Next == nil {
return head return head
} }
@ -77,7 +77,7 @@ func middleNode1(head *ListNode) *ListNode {
return p1 return p1
} }
func mergeTwoLists148(l1 *ListNode, l2 *ListNode) *ListNode { func mergeTwoLists(l1 *ListNode, l2 *ListNode) *ListNode {
if l1 == nil { if l1 == nil {
return l2 return l2
} }
@ -92,4 +92,5 @@ func mergeTwoLists148(l1 *ListNode, l2 *ListNode) *ListNode {
return l2 return l2
} }
``` ```