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Update queue.c #3

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Update queue.c #3

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13 changes: 12 additions & 1 deletion Queue/queue.c
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ int rear=-1;
int enQueue(int);
int deQueue();
void display();
void peek();

void main(){

Expand All @@ -18,7 +19,7 @@ int choice;
while(1){
printf("\n****************************\n");
printf("Enter the number for operation on queue\n");
printf("1.enqueue\n2.dequeue\n3.display\n");
printf("1.enqueue\n2.dequeue\n3.display\n4.Peek");
scanf("%d",&choice);
switch(choice){

Expand All @@ -34,6 +35,11 @@ case 2:
case 3:
display();
break;

case 4:
peek(); // Peek displays the first element of the queue
break;


default:
printf("Wrong input please try again.\n");
Expand Down Expand Up @@ -69,6 +75,11 @@ printf("%d deleted from queue\n",queue[front]);
front=front+1;
}
}
void peek()
{
printf("The top element of the Stack is : %d",queue[front]);
}


void display(){

Expand Down