Fibonnaci Series, Heap Sort, OOPS
Development Engineer Interview Questions
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Can be found on Leetcode.
plot the line given two points and a point method such that the next point is touching the previous (in other words, no gaps in the line)
Object Oriented Concepts, Linked Lists, Recursion, Arrays, String. Questions were straight-forward but finding the most efficient solution could get slightly tricky. Make sure to explain your answer as you go and discuss with them instead of thinking of it as a question-answer session.
Usual string, array, linked list questions. Given two nodes in a tree, find the lowest common ancestor
Design a snake-and-ladder game
Reverse word question
Difference between TCP and UDP
1st Round Questions: 1. Find a pair in a rotated sorted array whose sum is equal to a given value 'k' 2. Check parenthesis in an expression and return true/false for valid/invalid. 3. Bottom view of a Binary tree. Questions related to Java Collections 2nd Round Questions: 1. Parking lot low level design. 2. Design patterns - Singleton, Factory etc 3. Various questions related to advanced multithreading in java.
Round 1. Tweaked version of this - https://www.geeksforgeeks.org/problems/bottom-view-of-binary-tree/1 Given a tree, find bottom view - 1 / \ 3 2 / \ / \ 4 5 6 7 Expected output - 4 3 5 6 2 7 (Not 4 3 6 2 7)
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