RedBus SDE Interview Questions and Answers

DSA, tree questions basic

Q1. Instagram clone with bonus functionalities for like comment
Ans. 
Develop an Instagram clone with additional features for liking and commenting.
• Implement a like button for users to like posts

• Allow users to leave comments on posts

• Include notifications for likes and comments

• Implement a search functionality to find specific posts or users
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Q1. What is state props drilling
Ans. 
State props drilling is the process of passing down props from a parent component to a deeply nested child component.
• Involves passing props through multiple levels of components

• Can lead to prop drilling if not managed properly

• Can be avoided by using context or Redux for state management
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Q2. Javascript tic tac toe
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Q1. Write system design for cab booking system
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Leetcode medium questions, 45 mins

Q1. HLD question - cant disclose
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Q2. Design LRU cache
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Three lc med-hard, were there based on bs , arrays , segment trees

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

There was only two coding questions in 50 minutes interview

Q1. One coding question
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Q2. Only one coding question
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Q3. Medium level coding question
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