The circular queue with the maximum capacity of n, the tail pointer of the queue is rear, and the head pointer of the queue is front,the condition for queue empty is ( ). A.A rear=front B.B (rear+1) MOD n=front C.C rear+1=front...
If the queue is empty, then the value of the front and the rear variable will be -1 (i.e., the sentinel value), then both front and rear are set to 0. If the queue is not empty, then the value of the rear will be the index of the last element of the queue, then the rear...
Remove and dequeue in circular buffer happens when the first element of the queue is removed. Start will advance and count will decrease. Count value zero or start is equal to end is an empty condition in circular buffer. Removal of further elements are not possible and removal process should...
As we can see in the above image, the rear is at the last position of the Queue and front is pointing somewhere rather than the 0thposition. In the above array, there are only two elements and other three positions are empty. The rear is at the last position of the Queue; if we t...
A head pointer and a tail pointer are maintained to identify a head entry and a tail entry, respectively, within the queue. In response to an updating of at least one of the head pointer and the tail pointer, at least one of a near-full or a near-empty condition is detected. The ...
1. The first primary queue operation that allows you to manage data flow in a queue is Enqueue(). For implementing this function, you have to check if the queue is empty. If a circular queue is empty, you must set both the front and rear pointer to 0 manually. This condition can be...
printf("\n\n queue is empty\n"); } else { num=arr[front]; printf("\n\n deleted element is %d",arr[front]); if(front==rear) { front=rear=-1; } else { front=(front+1)%MAX; } } } void cqdisplay(void) { int i;
Managing overflowOne must be able to handle the case where the queue is full and there is still incoming data. This case is known as the overflow condition. There are two methods which handle this case. They are to drop the latest data or to overwrite the oldest data. Either style may ...
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<<"size() = "<<size());if(s ==0)// Empty reservation requested, so nothing to doreturnfalse;if(blocking)/* If in blocking mode, wait for enough elements to read in the pipe for the reservation. This condition can change when a ...