Queue

Question

If (rear==maxsize-1)

rear=0;

else rear=rear+1;

is required in circular queue or deque ??

I think it is circular queue but ans is deque...plzzz make me out.. 

Comments

Where is such answer given ? and what is the complete question ? Please post the entire question

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here it is --> https://gateoverflow.in/155358/ugcnet-dec2008-ii-34

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I dont see anyone saying deque as ans ther