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

SDE - Intern

Toddle
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2 rounds | 2 Coding problems

Interview preparation journey

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Preparation
Duration: 3 Months
Topics: Data Strutures, DBMS, OOPS, Computer Networks, System Design, Binary Search, Dynamic Programming, Algorithms,Operating Systems, Projects Summary
Tip
Tip

Tip 1 : Practice atleast 400/500 DSA questions and the questions should be a good balance of easy medium and hard questions.
Tip 2 : If you have time of Competitive Programming please do it , Competitive Programming always helps people to clear OA and if you have a good hand on experience in competitive programming then doing DSA will be lot more easier for you.
Tip 3 : Have a basic understanding of system design concepts , it always helps people to explain projects or explain database tradeoff questions in terms of system design concepts.
Tip 4 : Spend a good amount of time creating good connections on Linkedin because at the end you are going to get Job Links and referrals from Linkedin.

Application process
Where: Other
Eligibility: No criteria
Resume Tip
Resume tip

Tip 1 : Keep it short and simple 
Tip 2 : Don't bloat your resume with too much designs or fancy fonts.
Tip 3 : Send your resume to your collegues or Linkedin connections for review because a good resume needs multiple iterations of improvement.

Interview rounds

01
Round
Medium
Assignment
Duration6 days
Interview date10 Jan 2022
Coding problem1

1. Assignment

Create a tool for teachers to author curriculum for a subject. Things to implement . Row actions - Indent/ Outdent/ Delete . Move action - Move nodes around in the curriculum using Drag-Drop or Up-Down arrow. . The text in each row should be editable like a text box Bonus task . Load/ Save - Implement 2 buttons - One that “Saves” the JSON data of the curriculum structure created by the user to a file and other that “Loads” the JSON file to recreate the structure in UI. Much like the save/load functionality in a game. . Host the working solution Note . Moving, deleting should preserve parent-child relations between nodes Eg. deleting a node should also delete its children . You are free to use any presentational framework (React, Vue, Angular) . No need to implement Backend

Problem approach

Tip 1 : Have a good understanding of HTML and CSS
Tip 2 : Try to break whole problem in components like First i will build static rows , Then i will add Indent , Outdent and Delete functionality , Then i will add draggable and droppable properties, Then i will add Save and Load functions.
Tip 3 : Take the assignment not as a burden rather as a learning.
Overall it was quite fun for me doing this assignment and i was able to complete the assignment within given time.

02
Round
Easy
Video Call
Duration120 Minutes
Interview date20 Jan 2022
Coding problem1

This round was basically a mixed round of four phases and each phase was of 30 minutes. 
The timing of interview was afternoon and there were two interviewers in this round.

Phase - 1 : Assignment approach , solution , loopholes and possible improvements discussion.
In this phase i was asked the approach of how i completed the assignment, what problems i faced during completion of assignment and what improvements i can do in existing solution.
Phase - 1 went pretty well for me.

Phase - 2 : Javascript basics discusssion
In this round i was asked question based on javascript basics and also interviewer was giving me some code snippets and i had to tell the console output for those snippets all the code snippets and questions were mostly related to Javascript data types assignments and comparisions (Object comparision) , ES6 syntaxes and newer operators (Spread operators , Anonymous functions) , Synchronous and Asynchronous Javascript based question.
Phase - 2 was okeis for me this round was not too good and not too bad

Phase - 3 : ReactJS based questions 
Honestly i was specially prepared for this phase beacuse i did the assigment in ReactJS so in this round i was asked all the naive and basic questions related to ReactJS Ex - Why we should use React , What is virtual Dom , How does React uses memoisation etc.
I did pretty well in this round

Phase - 4 : A simple DSA problem 
At the end a very simple leetcode easy problem was asked and i told the solution and written the code within 10 minutes and interview ended.

I got offer after 6-7 days of interview but i did not joined because they wanted me to work initial 2 months onsite in Banglore and i was in my college so i was not able to accept the offer.

1. Best Time to Buy and Sell Stock

Moderate
20m average time
80% success
0/80
Asked in companies
IntuitOptumOYO

You are given an array/list 'prices' where the elements of the array represent the prices of the stock as they were yesterday and indices of the array represent minutes. Your task is to find and return the maximum profit you can make by buying and selling the stock. You can buy and sell the stock only once.

Note:

You can’t sell without buying first.
For Example:
For the given array [ 2, 100, 150, 120],
The maximum profit can be achieved by buying the stock at minute 0 when its price is Rs. 2 and selling it at minute 2 when its price is Rs. 150.
So, the output will be 148.
Try solving now

Here's your problem of the day

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

Skill covered: Programming

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