Amazon Interview Experience for Fresher SDE - 1, Oct 2020

Posted: 19 Mar 2021

Rejected

Interview Rounds

Application Process

Round 1

Round 2

Interview Process

Online Coding Interview

Moderate

Duration:

120 minutes

Interview-Date:

5 Oct 2020

Problems:

This was an online coding, mcq and debugging round round held on Amcat platform, there were 3 sections in the test.
1)20 MCQ questions {10 involving mathematics and the other 10 on programming fundamentals}; duration:20 mins;
you cannot navigate back to a questions after moving further, so have to answer carefully
2)debugging section- it involved 7 questions which were to be completed ...

Smallest Window

You are given two strings S and X containing random characters. Your task is to find the smallest substring in S which contains all the characters present in X.

Example:

Try Problem

Minimum Sum in matrix

You are given a 2D matrix ‘ARR’ of size ‘N x 3’ having integers, where ‘N’ is the number of rows.

Your task is to find the smallest sum possible while taking one element from each row.

Try Problem

Preparation

Duration:

5 months

Topics:

Data Structures and Algorithms, Arrays, Graphs and Trees, Pointers, OOPS, System Design, Algorithms, Dynamic Programming, Constructive Algorithms, Competitive Programming

Preparation Tip

Tip 1 : Try to keep yourself involved in competitive programming on regular basis {ex-Codechef, codeforces etc}
Tip 2 : brush up concepts on DSA and practice at least all questions from interviewbit and around 300 questions from GFG and Leetcode of upto intermediate level, this will help you in building your concepts and you will be quickly able to answer the questions in face to face interviews
Tip 3 : Complete some courses on data structures and algorithms and some programming languages{coding ninjas courses are preferable for valuable content}

Application Process

Where:

Campus

Eligibility:

above 6.5 CGPA, eligible branches- computer science, electronics and electrical

Resume Tip

Tip 1 : Try to keep only those things in resume on which you have very good command and you should be able to answer all of the questions(upto moderate level) related to your technical skills
Tip 2 : Mention your projects with brief description, try avoiding very high level description because some times reader might not be able to understand your work, keep it descriptive and understandable

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