添加新题目

链表/回文链表/main.go

@@ -0,0 +1,40 @@
+package main
+
+type ListNode struct {
+	Val  int
+	Next *ListNode
+}
+
+func main() {
+
+}
+func isPalindrome(head *ListNode) bool {
+	numlist := make([]int, 0)
+	for head != nil {
+		numlist = append(numlist, head.Val)
+		head = head.Next
+	}
+	if len(numlist) == 1 {
+		return true
+	}
+	left := len(numlist)/2 - 1
+	right := left + 1
+	if len(numlist)%2 != 0 {
+		left = len(numlist) / 2
+		right = left
+	} else {
+		left = len(numlist)/2 - 1
+		right = left + 1
+	}
+
+	for left >= 0 {
+		if numlist[left] == numlist[right] {
+			left--
+			right++
+		} else {
+			return false
+		}
+	}
+
+	return true
+}