From 0ef1d53ea9e41c170f77bd628a9915e4c7321a63 Mon Sep 17 00:00:00 2001
From: Angel Dimitriev <achi_d@abv.bg>
Date: Wed, 28 Apr 2021 09:47:10 -0400
Subject: Update README.md

---
 Sem. 09/README.md | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/Sem. 09/README.md b/Sem. 09/README.md
index 33955e6..49877e0 100644
--- a/Sem. 09/README.md	
+++ b/Sem. 09/README.md	
@@ -268,3 +268,25 @@ int main()
 	cout << s3 << endl;
 }
  ```
+ **Задача 4:**
+ Създайте опашка с k приоритети. При взимане на елемент от опашката трябва да се връща последно добавеният елемент от тези с най-висок приоритет.
+  ```c++
+int main()
+{
+	kPriorityQueue<char> q(4); // 4 priorities - 0, 1, 2 и 3.
+	
+	q.enqueue('A',0):
+	q.enqueue('B',3);
+	q.enqueue('C',2);
+	q.enqueue('D',2);
+	q.enqueue('E',1);
+	
+	//q.enqueue('F', 5); //error! No such priority!
+	
+	q.dequeue(); // B
+	q.dequeue(); // C
+	q.dequeue(); // D
+	q.dequeue(); // E
+	q.dequeue(); // A
+}
+ ```
-- 
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