interview-set

A period of time where users login and logout, given a sets of login and logout time pairs, write a function that can show the number of users online at any given time. Intersection of n sets without using a hash table. Implement a LRU(Least Recently Used) cache Implement a function to compute cubic root what is the time complexity? Given a matrix with 1′s and 0′s, find the number of groups of 1′s. [Read More]

Design a game of chess Given an ebay site model., you have to deal with auctioning of a particular item. Design the billing & auctioning system of the same. OOPs design of a file system Class diagram of a system to implement Blackjack Class diagram of a parking lot design a furniture module, a furniture could be a couch, chair, etc. each furniture could contain multiple materials, wood, steel, etc. [Read More]

Write code to find Nth last node in a linked list. Solution Given a binary tree build a vertical sum array. Solution Given two strings str1 and str2, write code to find out if all non-unique elements in str2 are in str1? Solution Given two lists of strings return a list of strings that is an intersection of both of the lists. Analyze running time and space complexity. Give Test Case scenarios. [Read More]