Amazon questions


  • 1
    W

    Compare two expressions
    (a+b) + c = c + a + b
    -(a+b-c) = c -b -a

    Design Twitter trending topics

    Design Elevator system

    Deep copy of linked list


  • 0
    E

    Not quite understand the purpose of "comparing two expressions".

    regarding the Elevator system, i guess that main purpose is to check the requirement clarification capability.


Log in to reply
 

Looks like your connection to LeetCode Discuss was lost, please wait while we try to reconnect.