Interview Preparation

Agenda

  • Overview of the Interview Process

  • Getting Ready

  • Strategies for a Great Interview

  • Problem Solving

Interview Process

General Aptitude

Similar to those in entrance exams

CS Fundamentals

DBMS, OS, OOPS, Networks

Some Standard Interview CSF Questions

Puzzles

Data Structures and Algorithms

Resume Based Questions

Behavioral

Questions

Design

  • Database Design

  • Object-Oriented Design

  • System Design

Getting Ready

Choose a Programming Language

Java
C++
Python

Websites

  • GeeksForGeeks

  • Interviewbit

  • Leetcode (NeetCode)

  • Interviewcake
     

  • Hackerrank

  • Hackerearth

  • Codechef

  • CodeForces

Books

  • DS and Algorithms Made Easy - by Narasimha Karumanchi

  • CTCI - Cracking the Coding Interview

  • EPI - elements-of-programming-interviews - by adnan aziz

Company Specific Preparation

Interview Experiences

The Resume

  • Tailor Your Resume for a given company.

  • The most important points that differentiate you from everyone should come first.

  • The Resume should be of high quality. Refer this video.

  • Include your contact information, ideally, a Url to a personal homepage.

  • Have your friends, seniors or alumnus review your resume.

Mock Interviews

PRAMP

Strategies for a Great Interview

Approaching the Problem

  • Clarify the Question

  • Work on concrete examples

  • Spell out brute-force solution

  • Think out loud

  • Apply Patterns

Presenting the Solution

  • Libraries

  • Focus on top-level algorithm

  • Manage the Whiteboard

  • Assume valid inputs

  • Test for corner cases

  • Syntax

  • Your Interviewer is not Alan Turing

General Conversation

  • Can the candidate clearly communicate a complex idea?

  • Is the candidate passionate about his work?

  • Is there a potential interest match with some project?

  • Use SBI/STAR format.

Other Advice

  • Multiple possible solutions

  • Be strong with basics

  • Be Honest

  • Keep a positive spirit

  • Don't apologize

  • Appearance

  • Be aware of your body language

Problem Solving

Data Structures

  • Primitive

  • Arrays

  • Strings

  • Lists

  • Stack And Queues

  • Binary Trees

  • Heaps

  • Hash Tables

  • Binary Search Trees

Analysis Patterns

  • Concrete Examples

  • Case Analysis

  • Iterative Refinement

  • Reduction

  • Graph Modelling

Algorithm Design Patterns

  • Searching

  • Sorting

  • Recursion

  • Divide and Conquer

  • Dynamic Programming

  • Greedy Algorithms

  • Find the height of the tree with leaves are connected

  • Search in an infinite array

  • Line parallel to y axis intersecting most lines

  • Min cost of visiting stores.

  • Implement Queue - find in O(1), delete in order(1)

  • Create and Delete New Folder Windows

  • Wood Log Problem : given getWeight, find the mid

  • Implement git diff

  • Implement back functionality in the internet browser

  • Implement playlist which plays random songs

  • LeaderBoard - pubg

  • Find path b/w 2 nodes in Infinite Tree

Interview Problems [ref]

Any Questions?

Interview Preparation Tips

By Sahil Nishal

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Interview Preparation Tips

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