HashedIn interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
HashedIn
4 rounds | 4 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 6 months
Topics: DSA -> DP, Graph, Linked list, Arrays, Basics Operating System, DBMS, System Design.
Tip 1 : Be clear about the basics and DSA algorithms
Tip 2 : Have a good knowledge about anything you mentioning in your resume
Application process
Where: Campus
Eligibility: No backlogs
Tip 1 : Mention the project you have worked and have good knowledge on
Tip 2 : Have a development skill
Interview rounds
01
Round
Medium
Online Coding Interview
Duration60 minutes
Interview date20 Oct 2020
Coding problem1
1. Two Sum
Easy
10m average time
90% success
0/40
Asked in companies
You are given an array of integers 'ARR' of length 'N' and an integer Target. Your task is to return all pairs of elements such that they add up to Target.
Note:
We cannot use the element at a given index twice.
Follow Up:
Try to do this problem in O(N) time complexity.
02
Round
Hard
Face to Face
Duration60 minutes
Interview date28 Oct 2020
Coding problem1
1. Merge LinkedList
Easy
20m average time
70% success
0/40
Asked in companies
You are given two LinkedList of length ‘N’. Your task is to insert the elements of the second LinkedList in the first LinkedList at the alternate positions.
For example: Let 1 -> 3 -> 5 be the first LinkedList and 2 -> 4 -> 6 be the second LinkedList. Then after merging the first LinkedList will look like 1 -> 2 -> 3 -> 4 -> 5 -> 6.
Problem approach
In order to traverse through the lists to find the point at which they merge, we need to set two different pointers. One for the first singly linked list, another for the second. Remember that we are given the heads of both as parameters, so we will set our pointers to them in order to start from the beginning of each.
03
Round
Hard
Face to Face
Duration60 minutes
Interview date29 Oct 2020
Coding problem1
Theory + coding question based on problem and array
1. Count Frequency
Easy
15m average time
85% success
0/40
Asked in companies
You are given a string 'S' of length 'N', you need to find the frequency of each of the characters from ‘a’ to ‘z’ in the given string.
Example :
Given 'S' : abcdg
Then output will be : 1 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Problem approach
Tip 1 : Create an empty array with size of 26(total alphabets)
Tip 2 : Run a loop through the sentence
Tip 3 : Use ascii value to count the occurrence of the alphabet
04
Round
Medium
HR Round
Duration60 minutes
Interview date31 Oct 2020
Coding problem1
HR questions
1. Basic HR Questions
Questions were based on situations like what you are going to do or what should be your approach in a certain situation?
Asked about my project.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
How do you remove whitespace from the start of a string?
Choose another skill to practice
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