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I appeared for an interview in Mar 2021.
Sort an array of 0s, 1s, and 2s in O(n) time complexity.
Use three pointers to keep track of the positions of 0s, 1s, and 2s.
Traverse the array and swap elements to their respective positions.
The first pointer should point to the first occurrence of 1, and the second pointer should point to the first occurrence of 2.
Example: [0, 1, 2, 0, 1, 2] -> [0, 0, 1, 1, 2, 2]
Design a service to shorten long URLs into short ones.
Generate a unique ID for each long URL and store it in a database.
Map the unique ID to the long URL and store it in the database.
Create a short URL by using the unique ID as a parameter.
Redirect the short URL to the long URL when accessed.
Implement security measures to prevent abuse and ensure privacy.
Consider implementing analytics to track usage and performance.
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posted on 13 Jan 2021
I applied via Referral and was interviewed before Jan 2020. There was 1 interview round.
We are using a variety of technologies, including some of the latest ones.
We are using React for our front-end development.
We are also using Node.js for our back-end development.
We are using Docker for containerization.
We are using Kubernetes for orchestration.
We are using AWS for cloud hosting.
We are constantly evaluating new technologies to see if they can improve our development process.
It depends on the specific requirements and constraints of the project.
Consider the project's goals and objectives
Evaluate the available technologies and their capabilities
Assess the project's budget and timeline
Consult with stakeholders and experts in the field
Examples: React vs Angular, MySQL vs MongoDB, Java vs Python
I applied via Company Website and was interviewed before Dec 2019. There were 3 interview rounds.
posted on 4 May 2019
I applied via Naukri.com and was interviewed in Oct 2018. There were 3 interview rounds.
posted on 15 Feb 2022
I applied via Referral and was interviewed before Feb 2021. There were 3 interview rounds.
Interview questions for Software Engineer position
Project explanation should include details on the project's purpose, scope, and technologies used
SDLC (Software Development Life Cycle) and STLC (Software Testing Life Cycle) are methodologies used in software development and testing respectively
Smoke testing is a type of testing that checks if the basic functionalities of the software are working fine, while Sanity tes...
posted on 27 Aug 2024
I applied via Job Portal
posted on 16 Aug 2024
Object-oriented programming (OOP) is a programming paradigm based on the concept of objects, which can contain data and code.
OOP allows for organizing code into reusable components called classes.
In Python, classes are defined using the 'class' keyword.
Classes can have attributes (variables) and methods (functions).
Inheritance allows classes to inherit attributes and methods from other classes.
Polymorphism allows objec...
Ternary operator in Python is a conditional expression that evaluates to a value based on a condition.
Ternary operator is written as 'value_if_true if condition else value_if_false'
It is a shorthand way of writing an if-else statement in a single line
Example: x = 10 if a > b else 20
posted on 5 Oct 2023
I applied via Company Website and was interviewed before Oct 2022. There were 5 interview rounds.
Duration is around 1 hour
posted on 2 Jul 2024
Find the second largest number in an array of strings.
Convert the strings to numbers for comparison.
Sort the array in descending order.
Return the second element in the sorted array.
Find pairs in an array that sum up to a given target value.
Use a hash set to store the difference between the target value and each element in the array.
Iterate through the array and check if the current element's complement exists in the hash set.
Return the pairs that sum up to the target value.
posted on 2 Aug 2024
I applied via Approached by Company and was interviewed before Aug 2023. There was 1 interview round.
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