add go code

Author: DuLi

leetcode/Linked List/#1290-Convert Binary Number in a Linked List to Integer/main.go

@@ -0,0 +1,15 @@
+/**
+ * Definition for singly-linked list.
+ * type ListNode struct {
+ *     Val int
+ *     Next *ListNode
+ * }
+ */
+func getDecimalValue(head *ListNode) int {
+	result := 0
+	for head != nil {
+		result = result*2 + head.Val
+		head = head.Next
+	}
+	return result
+}

leetcode/Linked List/#237-Delete Node in a Linked List/main.go

@@ -0,0 +1,11 @@
+/**
+ * Definition for singly-linked list.
+ * type ListNode struct {
+ *     Val int
+ *     Next *ListNode
+ * }
+ */
+ func deleteNode(node *ListNode) {
+    node.Val, node.Next.Val = node.Next.Val, node.Val
+    node.Next = node.Next.Next    
+}