leetcode21题:
/**
* Definition for singly-linked list.
* type ListNode struct {
* Val int
* Next *ListNode
* }
*/
func mergeTwoLists(list1 *ListNode, list2 *ListNode) *ListNode {
dummyHead := &ListNode{}
p1, p2, p3 := list1, list2, dummyHead
for p1 != nil && p2 != nil {
if p1.Val < p2.Val {
p3.Next = p1
p1 = p1.Next
p3 = p3.Next
} else {
p3.Next = p2
p2 = p2.Next
p3 = p3.Next
}
}
if p1 != nil {
p3.Next = p1
}
if p2 != nil {
p3.Next = p2
}
return dummyHead.Next
}
/**
* Definition for singly-linked list.
* type ListNode struct {
* Val int
* Next *ListNode
* }
*/
func mergeTwoLists(list1 *ListNode, list2 *ListNode) *ListNode {
dummyHead := &ListNode{}
p1, p2, p3 := list1, list2, dummyHead
for p1 != nil && p2 != nil {
if p1.Val < p2.Val {
p3.Next = p1
p1 = p1.Next
p3 = p3.Next
} else {
p3.Next = p2
p2 = p2.Next
p3 = p3.Next
}
}
if p1 != nil {
p3.Next = p1
}
if p2 != nil {
p3.Next = p2
}
return dummyHead.Next
}
2022-05-14
在牛客打卡4天,今天也很努力鸭!
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