1 files changed, 9 insertions, 0 deletions
diff --git a/queue/pq.go b/queue/pq.go
new file mode 100644
index 0000000..ecf54c8
--- /dev/null
+++ b/queue/pq.go
@@ -0,0 +1,9 @@
+package queue
+
+type PQ interface {
+	Insert(a int)
+	Max() (max int)
+	DeleteMax() int
+	Empty() bool
+	Size() int
+}