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Software Engineer Interview Questions & Answers

Anonymous

posted on 22 Jan 2022

I applied via Approached by company and was interviewed in Dec 2021. There were 4 interview rounds.

Round 1 - Coding Test

2 questions. 1 was basic level. 2 was of medium level.

Round 2 - One-on-one

(2 Questions)

Q1. An ambiguous problem statement was given. Asking relevant questions revealed the problem to be largest island in a binary matrix. Was asked to code on an ide. And reduce space complexity to O(1).

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Q2. Maximum sum path from root to leaf in an N-ary tree. Was asked to design an appropriate data structure. Then code the solution in O(n) time and O(1) space.

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Round 3 - One-on-one

(3 Questions)

Q1. Through discuss of projects. Methods used.

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Q2. First missing positive number in an array of integer in O(n) time O(1) space.

Ans.

Find first missing positive number in an array in O(n) time and O(1) space.

Traverse the array and mark the presence of each positive integer by changing the sign of the corresponding index.
Traverse the array again and return the index of the first positive integer.
If all integers are present, return the length of the array + 1.
Example: [3, 4, -1, 1] => mark 3rd and 4th index as negative => return 2.
Example: [1, 2, 0] =...

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Q3. Given an integer, print the relevant column name in an excel sheet. Ex: 1- A , 2-B.......... 26-Z , 27-AA, 28-AB........ Was asked code on an ide and test cases were given.

Ans.

Given an integer, print the relevant column name in an excel sheet.

Create a string array of alphabets from A to Z
Use modulo operator to get remainder and divide by 26 to get quotient
Append the corresponding alphabet to the result string
Reverse the result string

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Round 4 - HR

(1 Question)

Q1. What are your salary expectations?

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Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on DSA and past experience.

Skills evaluated in this interview

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more

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Team Lead Operations Interview Questions & Answers

Anonymous

posted on 18 Oct 2023

Interview experience

Good

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

Selected

I applied via Job Portal and was interviewed before Oct 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist

Pro Tip by AmbitionBox:

Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.

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Round 2 - HR