Walmart Interview Experience for Fresher SDE - 2, Jun 2021
Online Coding Interview
MCQ Challenge was to test basic computer fundamentals. The quiz had 30 questions to be attempted in 25 minutes consisting questions related to Data structures and algorithm, OOPS, OS, DBMS and some questions to find the output of Java Program.
Platform was fast and responsive, and we were not allowed to switch through tabs during the test.
What is a basic form of GRANT statement?
Calculate the result of the following prefix expression: +,-,*,8,4,/,6,2,5
If a new node is added into a red-black tree, which statements are true ?
What is the complexity of enqueue and dequeue operation in a queue?
You are given the root node of a binary tree with N nodes, whose nodes have integer values. Your task is to find the maximum depth of the given Binary tree.
Tip 1 : Make sure you have your computer science fundamentals very clear.
Tip 2 : Should know the complexity of code you write and should know the internal implementation of data structure you use while coding.
Tip 3 : Should know about everything you write in resume.
Tip 4: Practice a lot of programming problems. Participate in competitive programming contests.
Tip 1 : Be honest about what you write in resume.
Tip 2 : Should have at least 2 projects
Tip 3 : Maintain a precise and self speaking one page resume.
Tip 4 : Add technical achievements only.