add new solutions

solutions/0/q82/solution.go

@@ -0,0 +1,29 @@
+package q82
+
+type ListNode struct {
+	Val  int
+	Next *ListNode
+}
+
+func deleteDuplicates(head *ListNode) *ListNode {
+	root := ListNode{}
+	last := &root
+
+	c := head
+	for c != nil {
+		if c.Next != nil && c.Next.Val == c.Val {
+			dupVal := c.Val
+			for c != nil && c.Val == dupVal {
+				c = c.Next
+			}
+			continue
+		}
+		last.Next = c
+		last = c
+		c = c.Next
+		last.Next = nil
+	}
+	return root.Next
+}
+
+var _ = deleteDuplicates