u

2026-06-21 13:11:31 +10:00
parent 3bce899398
commit 35c362681e
6 changed files with 533 additions and 0 deletions
@@ -0,0 +1,63 @@
+package top100liked
+
+import (
+	"fmt"
+	"testing"
+)
+
+// https://leetcode.cn/problems/merge-two-sorted-lists/description/?envType=study-plan-v2&envId=top-100-liked
+
+type ListNode struct {
+	Val  int
+	Next *ListNode
+}
+
+func mergeTwoLists(list1 *ListNode, list2 *ListNode) *ListNode {
+	p1, p2 := list1, list2
+	p := &ListNode{}
+	res := p
+	for p1 != nil && p2 != nil {
+		if p1.Val <= p2.Val {
+			p.Next = p1
+			p = p.Next
+			p1 = p1.Next
+		} else {
+			p.Next = p2
+			p = p.Next
+			p2 = p2.Next
+		}
+	}
+	for p1 != nil {
+		p.Next = p1
+		p = p.Next
+		p1 = p1.Next
+	}
+	for p2 != nil {
+		p.Next = p2
+		p = p.Next
+		p2 = p2.Next
+	}
+	return res.Next
+}
+
+func Test(t *testing.T) {
+	input1 := &ListNode{
+		Val: -9,
+		Next: &ListNode{
+			Val:  3,
+			Next: nil,
+		},
+	}
+	input2 := &ListNode{
+		Val: 5,
+		Next: &ListNode{
+			Val:  7,
+			Next: nil,
+		},
+	}
+	output := mergeTwoLists(input1, input2)
+	for output != nil {
+		fmt.Println(output.Val)
+		output = output.Next
+	}
+}