reverse-linked-list

reverse-linked-list/sol.go

@@ -0,0 +1,25 @@
+package main
+
+type ListNode struct {
+	Val  int
+	Next *ListNode
+}
+
+/**
+ * Definition for singly-linked list.
+ * type ListNode struct {
+ *     Val int
+ *     Next *ListNode
+ * }
+ */
+func reverseList(head *ListNode) *ListNode {
+	var last *ListNode = nil
+	current := head
+	for current != nil {
+		next := current.Next
+		current.Next = last
+		last = current
+		current = next
+	}
+	return last
+}