Coding Challenge – Find maximum in a stack in o(1) time!
Question: Create getMax() function to find maximum in a stack in O(1) time! This is widely asked technical interview for software engineers. You should know […]
interview preparatation
Coding Challenge – Find the year with the most number of people alive!
Question: Given a list of people with their birth and end years (all between 1900 and 2000), find the year with the most number of people alive. Input: […]
Coding Challenge – Bring all nonzero elements to the left of the array
Question: Write an algorithm that brings all nonzero elements to the left of the array, and returns the number of nonzero elements. Input : {1, […]
Coding Challenge – Find out if a given singly-linked list contains a cycle.
Question: Write a function testListCycle() that takes node as argument for a given singly-linked list and returns a boolean indicating whether the list contains a cycle. A cycle meaning when […]
Coding Challenge – Build Shut the Box playable game.
Question: build a dice game called Shut the Box. Reference: http://en.wikipedia.org/wiki/Shut_the_Box The object of the game: Flip over as many cards to match dice totals […]
Coding Challenge – Create the Timer with Start, Pause and Reset functionalities.
Question: Create the behavior for a digital web stopwatch. Here are the action we are expecting: * When “Start” is clicked, the text “Stop Watch” […]
Coding Challenge: Find out duplicates from given Array
Question: Find out the duplicates from a given array and return it. Solution: To solve this problem, we will use “map” data structure and check […]
Coding Challenge: Reverse the words for a given string
Given an input string, reverse the string word by word. Here I have listed sample data for given input with expected output! Input: “the sky […]
Coding Challenge – Three Sum Target. Find a triplet that sum to a given target value
Common Interview Coding question and answer. Coding challenge is very frequent in big tech companies interview such as Amazon, Facebook or Google. Take a look […]
Coding Challenge – Bracket Validator
Here is the Question: Let’s say: ‘(‘, ‘{‘, ‘[‘ are called “openers.” ‘)’, ‘}’, ‘]’ are called “closers.” Write a function that returns true if an […]