RapiPay Software Developer Interview Questions and Answers

It was of 3 hours including coding questions as well as computer science fundamentals

Q1. Questions about the project that i made
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Q2. Find the subsets with sum K from array having duplicates
Ans. 
Find subsets with sum K from array with duplicates
• Use backtracking to generate all possible subsets

• Keep track of the sum of each subset as you generate them

• Check if the sum of a subset is equal to K and add it to the result
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Q1. Mostly around resume
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Q1. Resume walkthrough and a coding question(leetcode easy)
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Q1. Cultural Fitment round
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Mostly focus in leetcode easy, medium questions.

Q1. Vertical order traversal of tree.
Ans. 
Vertical order traversal of tree is a method to traverse a binary tree in a vertical order.
• Use a map to store the nodes at each vertical level

• Perform a level order traversal of the tree and keep track of the horizontal distance of each node from the root

• Store nodes at each horizontal distance in the map and then print the nodes in each vertical level
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They mostly asked leetcode easy, medium level.

Q1. Dry run and implement merge sort.
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