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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3. #define MAXSIZE 10
  4. int Q[MAXSIZE],front=-1,rear=-1;
  5. void qinsert(int x)
  6. {
  7. 	if(rear==MAXSIZE-1)
  8. 		printf("\n Queue is Full.");
  9. 	else if(front==-1)
  10. 	{
  11. 		front=0;
  12. 		rear=0;
  13. 		Q[front]=x;	
  14. 	}
  15. 	else
  16. 	{
  17. 		rear++;
  18. 		Q[rear]=x;
  19. 	}
  20. }
  21. void qdelete()
  22. {
  23. 	if(front==-1)
  24. 		printf("\n Queue is Empty.");
  25. 	else if(front==rear)
  26. 	{
  27. 		printf("\n %d is removed from Queue.",Q[front]);
  28. 		front=-1;
  29. 		rear=-1;
  30. 	}
  31. 	else
  32. 	{
  33. 		printf("\n %d is deleted from Queue.",Q[front]);
  34. 		front++;
  35. 	}
  36. }
  37. void display()
  38. {
  39. 	int i;
  40. 	printf("\n The Queue elements are...\n");
  41. 	if(front==-1)
  42. 		printf("\n No elements in Queue.");
  43. 	else
  44. 	{
  45. 		for(i=front;i<=rear;i++)
  46. 			printf(" %d ",Q[i]);
  47. 	}
  48. }
  49. int main()
  50. {
  51. 	int choice,x;
  52. 	while(1)
  53. 	{
  54. 		printf("\n 1.Data insert\n 2.Data Delete\n 3.Data Display\n 4.Exit");
  55. 		printf("\n Please, Enter your choice : ");
  56. 		scanf("%d",&choice);
  57. 		switch(choice)
  58. 		{
  59. 			case 1: printf("\n Please, Enter the element : ");
  60. 					scanf("%d",&x);
  61. 					qinsert(x);
  62. 					break;
  63. 			case 2: qdelete();
  64. 					break;
  65. 			case 3: display();
  66. 					break;
  67. 			case 4: exit(0);
  68. 			default : printf("\n wrong Choice.");
  69. 		}
  70. 	}
  71. }
Success #stdin #stdout 0s 5440KB
comments (?)
stdin
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1
457
1
87
1
320
2
3
4
stdout
copy 
 1.Data insert
 2.Data Delete
 3.Data Display
 4.Exit
 Please, Enter your choice : 
 Please, Enter the element : 
 1.Data insert
 2.Data Delete
 3.Data Display
 4.Exit
 Please, Enter your choice : 
 Please, Enter the element : 
 1.Data insert
 2.Data Delete
 3.Data Display
 4.Exit
 Please, Enter your choice : 
 Please, Enter the element : 
 1.Data insert
 2.Data Delete
 3.Data Display
 4.Exit
 Please, Enter your choice : 
 457 is deleted from Queue.
 1.Data insert
 2.Data Delete
 3.Data Display
 4.Exit
 Please, Enter your choice : 
 The Queue elements are...
 87  320 
 1.Data insert
 2.Data Delete
 3.Data Display
 4.Exit
 Please, Enter your choice :
https://ideone.com/qtocbL
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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