Design a system which helps to calculate average Skype call duration per day. In which events are tracked from mobile app. Need to take care of all edge cases like events can be logged to server in any sequence & there can be some events missing on server side also.
Second Round (1 hour)
Project discussions like most challenging project, most interesting problem I worked upon.
Search Word "Microsoft" in a 2D matrix of characters.
There are n petrol bunks located in a circle. We have a car with mileage 1kmpl. The distances between petrol bunks and no of litres petrol available at each petrol bunk is given. Need to find the starting point such that car can visit entire circle.