Author: #stacks/queues > 3
Subject: None
Date: Tuesday, 31 Mar 2020, 14:41:51

Hi, 
I have only created 3 deques in my code...
Used 1 as queue (remD, addD) and the other 2 as stacks (pushD, remD),
However, I still cannot pass 406 & 404
Could you help me?