Walmart Interview Experience for Fresher SDE - 1, Aug 2020
Online Coding Interview
The platform was HackerEarth time duration was 1 hour.
1.) 25 MCQs (Both Easy and Gate Level Based)
2.) 1 Coding Question, that needs to be solved in O(logn) time. Program for Fibonacci numbers. The basic idea behind that question is we need to crack the pattern and then based on constraints we need to solve it.
You are given an integer ‘N’, your task is to find and return the N’th Fibonacci number using matrix exponentiation.
Since the answer can be very large, return the answer modulo 10^9 +7.
Tip 1 : Don't stick to a single topic too much. Cover all and prepare short notes for all the topics so it will be easier for revision.
Tip 2 : Do projects so that they will be an added weightage.
Tip 3 : Practice a minimum of 100 questions on that particular topic so that it will be easy to crack within no time.
Tip 1 : Projects add good weight to the resume. So the interviewer asks the questions based on that.
Tip 2 : Resume should be genuine. You have to be confident of whatever is written in your resume