Morgan Stanley OA |16th feb 2024 | Left Panel | Complete Solution & Explanation

Problem Description There are N apartments in a residential building. Each apartment of the building has an electric meter which gives a monthly reading of the units of electricity used. There are multiple apartments on each floor. The owner of the building keeps track of all the electric meters and has sketched out a tree structure where each node of the tree represents an apartment and the value of the node represents the units of electricity used by that apartment. ...