Licious SDE Interview Questions and Answers

The aptitude test consist of 50 questions which was simple and mixed if all concepts

Only one easy coding question

Q1. About Linked List
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Q2. Basic level understanding questions on DBMS and other concepts
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Q1. Basic Technical questions
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Q1. Predict the winner leetcode problem
Ans. 
The winner leetcode problem involves finding the candidate with the most votes in an election scenario.
• Iterate through the list of candidates and keep track of their votes

• Return the candidate with the highest number of votes

• Example: Input - ['Alice', 'Bob', 'Alice', 'Charlie', 'Bob'], Output - 'Alice'
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It had 9 uqestions , one problem solving , one SQL , one API and 6 mcq

Easy assignment , if you hav eOOps knowledge you can do it

Q1. System design of Cricbuzz
Ans. 
Cricbuzz system design involves handling real-time sports data, user traffic, and providing live scores, news, and updates.
• Use microservices architecture to handle different functionalities like live scores, news, and updates.

• Implement caching mechanisms to reduce load on servers and improve performance.

• Utilize a distributed database to store large amounts of sports data efficiently.

• Implement a robust notification syst...read more
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Easy level to Medium level

2 Easy questions of DSA

Q1. One DSA question
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Q2. Normal discussion about tech stack
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Q1. Tell about yourself
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Q2. Why do you want to join digit?
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Q1. Angular18 updates`
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Q2. Angular Ivy features
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Q3. Dif between var, let, const
Ans. 
var is function scoped, let is block scoped, const is block scoped and cannot be reassigned.
• var is function scoped, let is block scoped, const is block scoped and cannot be reassigned

• var can be redeclared and updated, let can be updated but not redeclared, const cannot be redeclared or updated

• Example: var x = 10; let y = 20; const z = 30;
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Q4. What is Closure
Ans. 
Closure is a function that captures the variables from its surrounding scope, even after the surrounding function has finished executing.
• Closure allows a function to access and manipulate variables from its outer scope.

• It maintains a reference to its outer scope, even after the outer function has returned.

• Closure is commonly used in event handlers and callbacks.
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Q5. Dependency injection
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Q6. Rxjs operators used
Ans. 
Rxjs operators are used for handling asynchronous operations in reactive programming.
• Map operator: transforms the items emitted by an Observable

• Filter operator: emits only those items from an Observable that pass a specified condition

• Merge operator: combines multiple Observables into one by merging their emissions

• SwitchMap operator: switches to a new Observable each time it is emitted

• DebounceTime operator: emits a valu...read more
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Q7. Change detection strategy in Angular
Ans. 
Change detection strategy in Angular is a mechanism used to detect changes in the application state and update the view accordingly.
• Angular uses Zone.js for change detection by default

• Change detection can be triggered manually using ChangeDetectorRef

• Optimizing change detection using OnPush strategy
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Q1. How was your previous organization
Ans. 
My previous organization was a fast-paced tech startup focused on developing cutting-edge software solutions.
• Highly collaborative work environment

• Emphasis on innovation and creativity

• Agile development methodologies were followed

• Regular team meetings and code reviews

• Opportunities for professional growth and learning
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Q2. Please create timer using react
Ans. 
Create a timer using React
• Use useState hook to store the timer value

• Use useEffect hook to update the timer every second

• Display the timer value in the component's render method
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Q1. Slicing in List of Python
Ans. 
Slicing in Python allows you to extract a subset of elements from a list.
• Slicing is done using square brackets and the start:stop:step notation.

• The start index is inclusive, while the stop index is exclusive.

• You can omit any of the three parameters, defaulting to 0 for start, length of list for stop, and 1 for step.

• Negative indices can be used to slice from the end of the list.

• Example: list = [1, 2, 3, 4, 5], list[1:4]
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Q2. Multithreading questions were asked
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