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as safest cryptocurrency exchange

From Tacky Penguin, 1 Year ago, written in Plain Text.
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  1. #include<stdio.h>
  2. #define MAX 4
  3. int queue_array[MAX];
  4. int front=-1;
  5. int rear=-1;
  6. main(){
  7.  
  8. int choice;
  9. while(1)
  10. {
  11.  
  12.     printf("1. Insert elememt to queue \n");
  13.     printf("2. Delete element from queue\n");
  14.     printf("3. Display the element of queue \n");
  15.     printf("4. Exit \n");
  16.     printf("Enter your choice: \n");
  17.     scanf("%d",&choice);
  18.     switch(choice){
  19. case 1:
  20.     insert();
  21. case 2:
  22.     delete();
  23. case 3:
  24.     display();
  25. case 4:
  26.     exit(1);
  27. default:
  28.     printf("Wrong choice \n");
  29.     }
  30. insert()
  31. {
  32.     int item;
  33.     if (rear==Max-1)
  34.         printf("Queue Overflow \n");
  35.     else{
  36.         if (front==-1)
  37.             front=0;
  38.         printf("Insert the elemen in queue: \n");
  39.         scanf("%d",&item);
  40.         rear=rear+1;
  41.         queue_array[rear]=item;
  42.     }
  43.    
  44. }
  45. }
  46. }
  47.  

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