Delhivery interview experience Real time questions & tips from candidates to crack your interview

SDE - 1

Delhivery
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2 rounds | 3 Coding problems

Interview preparation journey

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Preparation
Duration: 6 months
Topics: Arrays, Strings, Linked List, Trees, Bitmasking, OOPS, SQL
Tip
Tip

Tip 1 : Do all standard questions thoroughly of DSA topics which will form the base for most of the online assessment round questions as well as interview questions of mostly all companies.
Tip 2 : Do practice OOPS concept on IDE not just theoretically.
Tip 3 : Do atleast 2 projects. For ex. One can be Database (maybe SQL) related which is easier to explain to interviewer and other can be any project related to your field interest.

Application process
Where: Campus
Eligibility: CGPA 6.5+, no backlogs
Resume Tip
Resume tip

Tip 1 : Add skills in which you have intermediate or above level experience only.
Tip 2 : Alter the skills/languages/project according to company JD. (your probability of shortlisting can be better)
Tip 3 : Have atleast 2 basic projects

Interview rounds

01
Round
Medium
Online Coding Interview
Duration60 minutes
Interview date1 Jul 2020
Coding problem2

1. Largest rectangle in a histogram

Hard
25m average time
75% success
0/120
Asked in companies
InfosysAmazonDelhivery

You have been given an array/list 'HEIGHTS' of length ‘N. 'HEIGHTS' represents the histogram and each element of 'HEIGHTS' represents the height of the histogram bar. Consider that the width of each histogram is 1.

You are supposed to return the area of the largest rectangle possible in the given histogram.

For example :
In the below histogram where array/list elements are {2, 1, 5, 6, 2, 3}.

alt text

The area of largest rectangle possible in the given histogram is 10.
Problem approach

This is a standard question asked in many companies. So I gave the most optimised solution as writing and explaining this solution to interviewer takes time and helps to close the interview on time. Interviewer was really happy to understand the solution on dry running on various test cases.

Try solving now

2. DBMS based question

Highest Salary in Table

Problem approach

Tip 1 : Practice SQL queries weekly along with coding problems
Tip 2 : Watch Gate Smashers videos of SQL.

02
Round
Easy
HR Round
Duration60 minutes
Interview date8 Jul 2020
Coding problem1

1. Basic HR questions

Why you want to join the organization?

Problem approach

Tip 1 : Read about company details and it's products properly will help in framing these type of questions.

Here's your problem of the day

Solving this problem will increase your chance to get selected in this company

Skill covered: Programming

What does the SQL function NOW() return?

Choose another skill to practice
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