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I applied via LinkedIn and was interviewed in Jul 2020. There was 1 interview round.
Cycle detection in a directed graph
Use Depth First Search (DFS) algorithm to detect cycles in a directed graph
Maintain a visited set to keep track of visited nodes
Maintain a recursion stack to keep track of nodes in the current DFS traversal
If a node is visited and is already in the recursion stack, then a cycle is detected
Zig Zag order traversal of a binary tree is a way to traverse the tree in a zigzag pattern.
Start from the root node and traverse the tree level by level.
For odd levels, traverse from right to left.
For even levels, traverse from left to right.
Use a stack to keep track of the nodes to be traversed.
Repeat until all nodes have been visited.
Query to find number of trains between 2 given stations in SQL design.
Use a JOIN statement to join the tables containing train and station information.
Filter the results based on the given stations.
Count the number of trains in the result set.
Consider the direction of travel and the order of the stations in the query.
Handle cases where there are no trains between the given stations.
I was interviewed before Apr 2021.
Round duration - 60 minutes
Round difficulty - Easy
Technical Interview round with 2 DSA problems.
You are provided with an undirected graph composed of 'N' vertices and 'M' edges, where vertices are labeled from 1 to 'N'.
Your task is to determine if...
Detect if there exists a cycle in an undirected graph.
Use Depth First Search (DFS) to traverse the graph and detect cycles.
Maintain a visited set to keep track of visited vertices.
If a visited vertex is encountered again during DFS, a cycle exists.
Return 'Yes' if a cycle is found, 'No' otherwise.
Given a binary tree, your task is to perform a zigzag level order traversal. This traversal starts from left to right on the first level, then switches to righ...
Perform zigzag level order traversal on a binary tree.
Use a queue to perform level order traversal of the binary tree.
Alternate between left to right and right to left traversal for each level.
Handle null nodes represented by -1 in the input.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I was interviewed in Nov 2024.
I applied via Company Website and was interviewed before Sep 2020. There were 5 interview rounds.
I applied via Referral and was interviewed before Nov 2022. There were 2 interview rounds.
I applied via Walk-in and was interviewed before Feb 2023. There was 1 interview round.
This pen is a versatile tool that combines style, functionality, and durability.
The pen features a sleek design that exudes professionalism.
Its smooth ink flow ensures a seamless writing experience.
With a sturdy build, this pen is built to last.
It comes with a comfortable grip for extended use.
The pen is refillable, making it a cost-effective choice.
Ideal for both personal and professional use.
Suitable for various writ...
The stock market is a platform where buyers and sellers trade stocks, representing ownership in publicly traded companies.
Stock market is a place where stocks or shares of publicly traded companies are bought and sold.
It provides a platform for companies to raise capital by selling shares to investors.
Investors can buy and sell stocks through stock exchanges like NYSE, NASDAQ, etc.
Stock prices fluctuate based on supply...
posted on 15 Sep 2024
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
OOPS focuses on creating objects that interact with each other to solve problems.
It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation.
For example, a class 'Car' can have objects like 'Toyota', 'Honda', etc., each with their own properties and methods.
Inheritan...
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