Merge pull request TheAlgorithms#109 from RGauthamRam/patch-1

Added front to indicate the starting of the Queue
TANGKUO · Sep 5, 2017 · e4ef5d4 · e4ef5d4
2 parents 616faac + 7e26755
commit e4ef5d4
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/data_structures/Queue/QueueOnList.py b/data_structures/Queue/QueueOnList.py
@@ -3,6 +3,7 @@ class Queue():
     def __init__(self):
         self.entries = []
         self.length = 0
+        self.front=0
 
     def __str__(self):
         printed = '<' + str(self.entries)[1:-1] + '>'
@@ -22,8 +23,9 @@ def put(self, item):
         item that was dequeued"""
     def get(self):
         self.length = self.length - 1
-        dequeued = self.entries[0]
-        self.entries = self.entries[1:]
+        dequeued = self.entries[self.front]
+        self.front-=1
+        self.entries = self.entries[self.front:]
         return dequeued
 
     """Rotates the queue {@code rotation} times