Ola Cabs AI Engineer Interview Questions and Answers

Basic questions only.

Q1. Basic questions like, how react works?
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Q2. What is the equivalent of ReactDOM in mobile application development?
Ans. 
The equivalent of ReactDOM in mobile application development is React Native.
• React Native is a framework for building mobile applications using React.

• It allows developers to write code in JavaScript and render native components.

• Just like ReactDOM in web development, React Native handles rendering components to the screen.
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Q1. Print the nodes of a n-ary tree in an arc wise manner as seen from the outside.
Ans. 
Print nodes of n-ary tree in arc wise manner from outside
• Traverse the tree level by level from outside to inside

• Use a queue to keep track of nodes at each level

• Print the nodes at each level in a clockwise or anticlockwise manner
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Q1. General DSA question leetcode style
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Q1. Discussion on previous project
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It was a machine coding round

Q1. Similar to the other question
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Q2. Give an array and an element sort the array with difference of that number to array elements
Ans. 
Sort an array of strings by the difference of a given element to each array element.
• Iterate through the array and calculate the absolute difference between the given element and each array element.

• Sort the array based on the calculated differences.

• Return the sorted array.
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Q1. Stack based question Medium Difficulty DSA.
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Q2. Theory questions related Java, Spring, OOPs
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Q1. Medium-hard DSA question.
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Q2. Project related questions
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Q3. Design Patterns
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Q1. Company fit questions
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1. PEAK ELEMENT QUESTION.
2. COIN DENOMINATION

Q1. React hooks implemetation
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Q2. Node event loop
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Write a code to find a loop in linked list