#include<stdio.h> #include<conio.h> #include<windows.h> #define SIZE 5 int display(); int insert(); int deletedata(); int cqueue[SIZE]; int front=0; int rear=0; int data; int main() {int ch; while(1) { printf("\nCircular Queue Operation \n"); printf("1.Insert Data\n2.Delete Data\n3.Display Data\n4.Exit"); printf("\nChoose Your option : "); scanf("%d", &ch); switch(ch) { case 1: system("cls"); insert(); break; case 2: system("cls"); deletedata(); break; case 3: system("cls"); display(); break; case 4: exit(0); break; default: system("cls"); printf("Invalid Option Please press a Valid Option "); } } getch(); } int insert() { if(front==(SIZE-1)) printf("The Circular Queue is Full"); else { printf("Enter a element tobe inserted "); scanf("%d", &data); rear = (rear + 1) % SIZE; cqueue[rear] = data; } } int deletedata() { if (front!=rear) { { front = ((front + 1) % SIZE); data=cqueue[front]; printf("Element is deleted"); } } else printf("\nCircular Queue is empty"); } int display() { int i,j; if(rear==front) printf("Circular Queue is Empty"); else printf("Elements in circular queue are:\t"); { for (i = front+1; i < rear; i =(i + 1)%SIZE) printf("%d ", cqueue[i]); printf("%d ", cqueue[i]); } } |
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