| 32 | |
| 33 | } |
| 34 | int main(){ |
| 35 | int choice; |
| 36 | cout<<"1. Insert an element to queue"<<endl; |
| 37 | cout<<"2. Delete an element from queue"<<endl; |
| 38 | cout<<"3. Display all elements of queue"<<endl; |
| 39 | cout<<"4. Exit"<<endl; |
| 40 | do{cout<<"Enter choice: "<<endl; |
| 41 | cin>>choice; |
| 42 | switch(choice){ |
| 43 | case 1: Insert(); |
| 44 | break; |
| 45 | case 2: Delete(); |
| 46 | break; |
| 47 | case 3: Display(); |
| 48 | break; |
| 49 | case 4: cout<<"Exit"<<endl; |
| 50 | break; |
| 51 | default:cout<<"Enter valid choice"<<endl; |
| 52 | } |
| 53 | |
| 54 | }while(choice!=4); |
| 55 | } |