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Buyhatke Interview Questions, Process, and Tips
Top Buyhatke Interview Questions and Answers
- Q1. Shortest Route Problem Statement You want to visit your friend’s house located at some position in an infinite grid starting from origin (0, 0). You can move in four dir ...read moreasked in Software Developer Intern interview
- Q2. implement depth first search in treeasked in Software Development Engineer Intern interview
- Q3. Why did you use Swift over React Native?asked in Application Developer interview
Buyhatke Interview Experiences
6 interviews found
Anonymous
2 hours of basic dsa
(2 Questions)
- Q1. What are foreign keys
- Ans.
Foreign keys are columns in a database table that reference the primary key of another table, establishing a relationship between the two tables.
Foreign keys ensure referential integrity in a database by enforcing relationships between tables.
They help maintain data consistency by preventing actions that would violate the relationships between tables.
For example, in a database with tables for 'orders' and 'customers', ...
- Q2. Implement depth first search in tree
- Ans.
Depth first search in tree is implemented using recursion to explore each branch fully before moving to the next.
Start at the root node and recursively visit each child node before moving to the next sibling node.
Use a stack to keep track of nodes to visit, pushing children onto the stack before siblings.
Base case is when the current node is null or a leaf node, then backtrack to the parent node.
Skills evaluated in this interview
Software Development Engineer Intern Interview Questions asked at other Companies
Shiv Tej
4 DSA questions, 10 Questions of SQL queries, MCQS of APIS, DBMS
(3 Questions)
- Q1. DBMS concepts as Normalization , Indexing, ACID properties, SQL queries. OS , OOPs questions
- Q2. Backend Fundamental focusing on APIs, NodeJs, JavaScript
- Q3. Medium level DSA question
Backend Developer Intern Interview Questions asked at other Companies
I applied via Referral and was interviewed in Sep 2024. There were 2 interview rounds.
They given 4 question based on DSA topics such as graph, DP, Array . All questions level medium to hard .
(2 Questions)
- Q1. Question Based on Completely Resume based
- Q2. Asked a leetcode hard question
Interview Preparation Tips
- DSA
- Resume
Backend Developer Intern Interview Questions asked at other Companies
I had to make a to-do list application using Kotlin/Swift/React Native
(2 Questions)
- Q1. What is Observable in Swift?
- Ans.
Observable in Swift is a property wrapper that allows for automatic notifications when the value changes.
Observable is a property wrapper introduced in Swift 5.1.
It can be used with any property that needs to be observed for changes.
When the value of the property changes, any views using that property will be automatically updated.
Example: @Published var score: Int = 0
- Q2. Why did you use Swift over React Native?
- Ans.
Swift was chosen for its performance, native iOS support, and better integration with Apple's ecosystem.
Swift offers better performance compared to React Native due to its native code execution.
Swift provides seamless integration with Apple's ecosystem, allowing for better utilization of iOS features.
Swift is the preferred choice for developing iOS apps as it is the native language for iOS development.
React Native may ...
Skills evaluated in this interview
Application Developer Interview Questions asked at other Companies
Buyhatke interview questions for popular designations
I was interviewed in May 2024.
It involved 3-4 questions on dsa.
(1 Question)
- Q1. Find LCA of a binary tree, standard dsa medium problem
- Ans.
LCA of a binary tree is the lowest common ancestor of two nodes in the tree.
Traverse the tree from the root node to find the paths from root to the two given nodes.
Compare the paths to find the last common node, which is the LCA.
Use recursion to solve the problem efficiently.
Handle edge cases like if one of the nodes is the ancestor of the other.
Skills evaluated in this interview
Backend Developer Intern Interview Questions asked at other Companies
I was interviewed before Sep 2020.
(3 Questions)
Round duration - 90 minutes
Round difficulty - Medium
- Q1.
Time to Burn Tree Problem
You are given a binary tree consisting of 'N' unique nodes and a start node where the burning will commence. The task is to calculate the time in minutes required to completely b...
- Ans.
Calculate the time in minutes required to completely burn a binary tree starting from a given node.
Start burning from the given node and spread fire to adjacent nodes each minute
Track the time taken for each node to burn completely
Return the maximum time taken to burn the entire tree
- Q2.
0/1 Knapsack Problem Statement
A thief is planning to rob a store and can carry a maximum weight of 'W' in his knapsack. The store contains 'N' items where the ith item has a weight of 'wi' and a value of...
- Ans.
Yes, the 0/1 Knapsack problem can be solved using dynamic programming with a space complexity of not more than O(W).
Use a 1D array to store the maximum value that can be stolen for each weight capacity from 0 to W.
Iterate through each item and update the array based on whether including the item would increase the total value.
The final value in the array at index W will be the maximum value that can be stolen.
- Q3.
Shortest Route Problem Statement
You want to visit your friend’s house located at some position in an infinite grid starting from origin (0, 0). You can move in four directions: East (E), West (W), North ...
- Ans.
Given a directional string representing a route to a friend's house in an infinite grid, find the shortest lexicographically smallest route to reach the destination.
Iterate through the directional string and keep track of the movements in each direction (E, W, N, S).
Calculate the final position based on the movements and find the shortest lexicographically smallest route to reach that position.
Consider the constraints ...
Interview Preparation Tips
Tip 1 : Strengthen DSA skills initially, know the basics and understand the working of different data structures
Tip 2 : Learn to implement them and enhance your coding skills. Make mistakes and learn from them instead of just cramming everything before practicing.
Tip 3 : To enhance coding skills, try your best to crack a question instead of giving up and looking at the solution. This will improve your problem-solving skills.
Tip 1 : Make sure your resume fits everything into a single page.
Tip 2 : Have at least 2 projects on your resume.
Tip 3 : Only Mention only those technical skills that you are confident in. Do not put false things on your resume.
Tip 4 : Mention the work you have done during your internships.
Tip 5 : Include an objective in your resume.
Skills evaluated in this interview
Software Developer Intern Interview Questions asked at other Companies
Jobs at Buyhatke
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Monu Singh Yadav
Very impressive able to solve 100 coding questions within 10 mins
(2 Questions)
- Q1. Find min in array
- Ans.
Find the minimum string in an array of strings.
Iterate through the array and compare each string to find the minimum.
Use a built-in function like sort() to sort the array and then return the first element.
Consider using a loop to compare each element with the current minimum.
- Q2. Find max in array
- Ans.
Find the maximum value in an array of strings.
Convert the strings to numbers if needed before finding the maximum value.
Use a loop to iterate through the array and compare each element to find the maximum value.
Skills evaluated in this interview
Selected
I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.
(1 Question)
- Q1. Basic array question
(1 Question)
- Q1. Find the first circular tour that visits all petrol pumps
- Ans.
The first circular tour that visits all petrol pumps can be found using the concept of a circular linked list.
Create a circular linked list with each node representing a petrol pump
Calculate the difference between petrol available at each pump and the distance to the next pump
Start from a pump where the sum of differences is positive and traverse the circular linked list until completing the tour
Skills evaluated in this interview
Aditi goel
Selected
I applied via Campus Placement and was interviewed before Oct 2023. There were 3 interview rounds.
First round was a aptitude test of 25 question
(2 Questions)
- Q1. Oops concept in java
- Ans.
Oops concept in Java refers to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
Inheritance allows a class to inherit properties and behavior from another class.
Encapsulation involves bundling data and methods that operate on the data into a single unit.
Polymorphism allows objects to be treated as instances of their parent class.
Abstraction hides the implementation d...
- Q2. Basic multi threading questions
(2 Questions)
- Q1. Code to make a pattern and explain each and every line of code
- Ans.
Code to create a pattern and explain each line of code
Start by defining the number of rows and columns in the pattern
Use nested loops to iterate through each row and column
Decide the pattern you want to create and use conditional statements to determine the output for each position
- Q2. Puzzle: In how many minimum cut u can cut a cake in 8 piece
Skills evaluated in this interview
Selected
I applied via Recruitment Consulltant and was interviewed in Dec 2023. There was 1 interview round.
(4 Questions)
- Q1. Basic SQL question.
- Q2. Order of execution
- Ans.
The order of execution refers to the sequence in which instructions or operations are executed in a program.
The order of execution is determined by the programming language and the specific code being executed.
Generally, code is executed line by line from top to bottom.
However, there are exceptions such as loops, conditionals, and function calls that can alter the order of execution.
In some programming languages, there...
- Q3. Window functions
- Q4. Aggregate functions
Skills evaluated in this interview
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