Paytm Circular Queue Design
Paytm Circular Queue Design
EasyQueues50% accepted
Paytm payment processor uses a circular buffer. Design a circular queue with enQueue, deQueue, Front, Rear, isEmpty, isFull operations using a fixed-size array.
Approach
Design a circular queue (ring buffer) with O(1) operations.
Input
cap=3
enQueue(1)
enQueue(2)
enQueue(3)
enQueue(4)
Rear()
isFull()
deQueue()
enQueue(4)
Rear()
isEmpty()
Output
["true","true","true","false",3,"true","true","true",4,"false"]
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