Chalo Software Development Engineer II Interview Questions and Answers

Medium DSA questions

Q1. String subsequence based question
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Q2. Only one question
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Computer Fundamentals

Q1. Flatten a binary tree
Ans. 
Flatten a binary tree by converting it into a linked list in-place.
• Use a recursive approach to flatten the binary tree.

• Traverse the tree in a pre-order manner and keep track of the previous node.

• Set the left child of each node to null and the right child to the next node in the linked list.

• Example: Input: 1 -> 2 -> 5 -> 3 -> 4 -> null, Output: 1 -> null -> 2 -> null -> 3 -> null -> 4 -> null -> 5 -> null
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2 dsa questions of easy/medium

Q1. Asked two dsa questions of leetcodeeasy/medium
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Q1. Asked two dsa questions of leetcode easy/medium
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Q1. Asked one dsa question on tree and discussion on resume and dbms os
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Q1. Salary Discussion
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Solving normal Puzzles to test aptitude.

Sample app was asked to create.

They have their own coding platform. The questions are basically from tree.

Tree of space question

Q1. Previous round question solution
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Q2. System design was asked.
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Q1. React, React Native Basics
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Q2. Coding Arrays & Objects
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Q1. Oops Inheritance and Incapsulation
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Leecode medium level question

Leetcode Hard level Question

Q1. This is cto round asked some interview questions
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