| Id | Title | Companies | Design Pattern | Difficulty | |
|---|---|---|---|---|---|
| 8. | Design Chess Game | factory |
Medium
|
||
| 12. | Design expense sharing app like Splitwise |
Medium
|
|||
| 11. | Design a Simple Elevator System - Multiple Lifts | state |
Hard
|
||
| 10. | Design a Movie ticket booking system like BookMyShow | observer |
Medium
|
||
| 24. | Design Elevator Management System - Single Lift | state |
Medium
|