Kizspy.me
dequeue(), search(), remove().
The expected input/output used to test your code are as follows:
INPUT:
7
data.txt
4
OUTPUT:
Before
Order Queue:
A, Computer
E, Tablet
B, Keyboard
G, Phone
H, USB
C, Mouse
D, Monitor
=========
Item Tree:
A, Computer, 1500
B, Keyboard, 120
C, Mouse, 100
D, Monitor, 500
E, Tablet, 1000
G, Phone, 1000
H, USB, 15
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