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Hike Software Developer Interview Questions, Process, and Tips

Updated 19 Sep 2024

Top Hike Software Developer Interview Questions and Answers

  • Q1. Reverse Words in a String: Problem Statement You are given a string of length N . Your task is to reverse the string word by word. The input may contain multiple spaces ...read more
  • Q2. Average Marks Problem Statement Given the initial letter of a student's name and three integer marks for that student, calculate and display the student's initial letter ...read more
  • Q3. K Largest Elements Problem Statement Given an unsorted array containing 'N' integers, you are required to find 'K' largest elements from the array and return them in non ...read more
View all 23 questions

Hike Software Developer Interview Experiences

6 interviews found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(2 Questions)

  • Q1. Introduce yourself
  • Ans. 

    I am a software developer with 5 years of experience in Java, Python, and SQL.

    • 5 years of experience in Java, Python, and SQL

    • Strong problem-solving skills

    • Experience working in Agile development environment

  • Answered by AI
  • Q2. Short term goals
Interview experience
4
Good
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Oct 2022. There were 5 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Coding Test 

5 DSA Questions 2 Easy, 2Medium, 1 Hard, hackerrank

Round 3 - Technical 

(2 Questions)

  • Q1. 3 DSA question were asked of medium level
  • Q2. Largest vertical rectangle in array
  • Ans. 

    Find the largest vertical rectangle in an array of strings

    • Iterate through each column in the array

    • For each column, find the consecutive vertical rectangles of '1's

    • Calculate the area of each rectangle and keep track of the largest one

  • Answered by AI
Round 4 - Technical 

(1 Question)

  • Q1. 1 DSA and around OS, DBMS, Resume
Round 5 - Technical 

(1 Question)

  • Q1. Around projects, Multithreading, LLD, HLD

Skills evaluated in this interview

Software Developer Interview Questions Asked at Other Companies

asked in Amazon
Q1. Maximum Subarray Sum Problem Statement Given an array of integers ... read more
asked in Amazon
Q2. Minimum Number of Platforms Needed Problem Statement You are give ... read more
asked in Rakuten
Q3. Merge Two Sorted Arrays Problem Statement Given two sorted intege ... read more
asked in Cognizant
Q4. Nth Fibonacci Number Problem Statement Calculate the Nth term in ... read more
Q5. Find Duplicate in Array Problem Statement You are provided with a ... read more

I was interviewed before Mar 2021.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical round with questions based on DSA were discussed.

  • Q1. 

    Ninja and Sorted Array Merging Problem

    Ninja is tasked with merging two given sorted integer arrays ARR1 and ARR2 of sizes 'M' and 'N', respectively, such that the merged result is a single sorted array w...

  • Ans. 

    Merge two sorted arrays into one sorted array within the first array.

    • Create a pointer for the last index of ARR1 and ARR2 to start merging from the end.

    • Compare elements from both arrays and place the larger element at the end of ARR1.

    • Continue this process until all elements are merged in sorted order within ARR1.

  • Answered by AI
  • Q2. 

    Reverse Alternate Levels of a Perfect Binary Tree Problem Statement

    Given a perfect binary tree consisting of 'N' nodes, reverse the nodes at alternate levels in the tree (i.e., reverse level 2, level 4, ...

  • Ans. 

    Reverse alternate levels of a perfect binary tree by reversing nodes at even levels starting from level 2.

    • Traverse the tree in level order and store nodes at even levels in a separate list.

    • Reverse the list of nodes at even levels.

    • Update the tree with the reversed nodes at even levels.

    • Repeat the process for alternate levels starting from level 2.

  • Answered by AI
Round 2 - Face to Face 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical round with questions based on OS, Java were discussed.

  • Q1. What are the characteristics of distributed file systems?
  • Ans. 

    Characteristics of distributed file systems include scalability, fault tolerance, and data replication.

    • Scalability: Distributed file systems can easily scale to accommodate a large amount of data and users.

    • Fault tolerance: They are designed to continue functioning even if some components fail, ensuring high availability.

    • Data replication: Data is often replicated across multiple nodes to ensure reliability and performan...

  • Answered by AI
  • Q2. Design a file sharing mechanism between two users.
  • Ans. 

    Design a file sharing mechanism between two users.

    • Implement a secure login system for both users.

    • Allow users to upload files to a shared server.

    • Provide a way for users to view and download files shared by the other user.

    • Implement access control to ensure only authorized users can access the shared files.

  • Answered by AI
  • Q3. What is ConcurrentHashMap in Java?
  • Ans. 

    ConcurrentHashMap is a thread-safe implementation of the Map interface in Java.

    • ConcurrentHashMap allows multiple threads to read and write to the map concurrently without causing any issues like deadlocks or data corruption.

    • It achieves thread-safety by dividing the map into segments, each of which can be locked independently.

    • ConcurrentHashMap is more efficient than using synchronized maps for concurrent access.

    • Example:...

  • Answered by AI
  • Q4. How do you analyze the usage history of an application?
  • Ans. 

    Analyzing usage history involves tracking user interactions, patterns, and trends to improve application performance.

    • Collect and store user interaction data such as clicks, page views, and time spent on each feature.

    • Use analytics tools to generate reports and visualize usage patterns.

    • Identify popular features, user preferences, and areas for improvement based on usage data.

    • Implement A/B testing to compare different ver...

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAHike interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPS, Operating SystemsTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

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.

Application resume tips for other job seekers

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.

Final outcome of the interviewRejected

Skills evaluated in this interview

I was interviewed before Mar 2021.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical interview round with questions based on DSA.

  • Q1. 

    Binary Tree Traversals

    Your task is to compute the In-Order, Pre-Order, and Post-Order traversals for a given Binary Tree with 'N' nodes, where each node has an integer value.

    Input:
    T
    For each test cas...
  • Ans. 

    Compute In-Order, Pre-Order, and Post-Order traversals for a given Binary Tree with 'N' nodes.

    • Implement tree traversal algorithms: In-Order, Pre-Order, and Post-Order.

    • Use recursion to traverse the binary tree efficiently.

    • Handle null nodes represented by -1 in the input.

    • Follow the order of nodes as they appear in the level order traversal.

    • Ensure the output is space-separated lists for each traversal type.

  • Answered by AI
  • Q2. 

    LRU Cache Design Question

    Design a data structure for a Least Recently Used (LRU) cache that supports the following operations:

    1. get(key) - Return the value of the key if it exists in the cache; otherw...

  • Ans. 

    Design a Least Recently Used (LRU) cache data structure that supports get and put operations with capacity constraint.

    • Use a combination of hashmap and doubly linked list to implement the LRU cache.

    • Keep track of the least recently used item and update it accordingly.

    • Ensure to handle cache capacity by evicting the least recently used item when the cache is full.

  • Answered by AI
Round 2 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical Interview round with questions on DSA, OS etc.

  • Q1. 

    Number of Islands II Problem Statement

    You have a 2D grid of dimensions 'N' rows by 'M' columns, initially filled with water. You are given 'Q' queries, where each query contains two integers 'X' and 'Y'....

  • Ans. 

    The task is to determine the number of islands present on a 2D grid after each query of converting water to land.

    • Create a function that takes the grid dimensions, queries, and coordinates as input.

    • For each query, convert the water at the given coordinates to land and update the grid.

    • Use depth-first search (DFS) to find connected lands and count the number of islands.

    • Return the number of islands after each query.

  • Answered by AI
  • Q2. Why are synchronized blocks needed in Java?
  • Ans. 

    Synchronized blocks are needed in Java to ensure thread safety by allowing only one thread to access a block of code at a time.

    • Prevents multiple threads from accessing critical sections of code simultaneously

    • Ensures data consistency and prevents race conditions

    • Improves performance by reducing contention for shared resources

    • Example: synchronized block in a method that updates a shared variable

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAHike interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, OS, Aptitude, OOPSTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

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.

Application resume tips for other job seekers

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.

Final outcome of the interviewRejected

Skills evaluated in this interview

Hike interview questions for designations

 Software Developer Intern

 (4)

 Android Developer

 (3)

 Software Development Engineer

 (1)

 Senior Software Engineer

 (1)

 Senior Software Quality Engineer

 (1)

I was interviewed before Mar 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 minutes
Round difficulty - Easy

This test has 2 sections :
Section 1 ( Technical objective questions) 
– 25 mcq’s mainly focusing on c , c++ , os , data structures , algorithms
Section 2 ( 2 Coding questions )
– Code was supposed to be written on paper.

  • Q1. 

    Next Greater Number Problem Statement

    Given a string S which represents a number, determine the smallest number strictly greater than the original number composed of the same digits. Each digit's frequenc...

  • Ans. 

    Given a number represented as a string, find the smallest number greater than the original with the same set of digits.

    • Sort the digits in non-increasing order to find the next greater number.

    • Swap the last two digits to get the smallest greater number.

    • If no greater number exists, return -1.

  • Answered by AI
  • Q2. 

    Reverse Words in a String: Problem Statement

    You are given a string of length N. Your task is to reverse the string word by word. The input may contain multiple spaces between words and may have leading o...

  • Ans. 

    Reverse words in a string by reversing the order of words while maintaining spaces.

    • Split the input string by spaces to get individual words

    • Reverse the order of the words

    • Join the reversed words with a single space in between

  • Answered by AI
Round 2 - Face to Face 

(1 Question)

Round duration - 60 minutes
Round difficulty - Easy

First round of interview was based on basic data structures. Concepts related to binary search tree , uses and comparing complexity were asked. He also asked about Hashing , Collisions.

  • Q1. 

    K Largest Elements Problem Statement

    Given an unsorted array containing 'N' integers, you are required to find 'K' largest elements from the array and return them in non-decreasing order.

    Input:

    The fir...
  • Ans. 

    Find K largest elements in an unsorted array and return them in non-decreasing order.

    • Sort the array in non-decreasing order

    • Return the last K elements of the sorted array

  • Answered by AI
Round 3 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

The interview started with a programming question. Then he asked me a puzzle. There was a small discussion about my projects then .Then he started asking questions about operating system. The interviewer wanted to test my understanding about semaphores and asked some tricky and confusing questions .

  • Q1. 

    Level Order Traversal Problem Statement

    Given a binary tree of integers, return the level order traversal of the binary tree.

    Input:

    The first line contains an integer 'T', representing the number of te...
  • Ans. 

    Return the level order traversal of a binary tree given in level order with null nodes represented by -1.

    • Parse the input to create the binary tree using level order traversal

    • Use a queue to perform level order traversal and print the nodes in the order visited

    • Handle null nodes represented by -1 appropriately

  • Answered by AI
  • Q2. Explain the Producer-Consumer problem and how it can be solved using semaphores.
  • Ans. 

    Producer-Consumer problem involves multiple threads sharing a common buffer. Producers add items to the buffer while consumers remove them.

    • Producers and consumers need to synchronize their access to the shared buffer to avoid race conditions.

    • Semaphores can be used to control access to the buffer. Two semaphores are used - one to track the empty slots in the buffer and one to track the filled slots.

    • Producers increment t...

  • Answered by AI
Round 4 - Face to Face 

(1 Question)

Round duration - 60 minutes
Round difficulty - Medium

Technical Interview round with questions based on DSA.

  • Q1. 

    Peak Element Finder

    For a given array of integers arr, identify the peak element. A peak element is an element that is greater than its neighboring elements. Specifically, if arr[i] is the peak, then both...

  • Ans. 

    Find the peak element in an array of integers.

    • Iterate through the array and check if the current element is greater than its neighbors.

    • Handle edge cases for the first and last elements of the array.

    • Return the peak element found.

  • Answered by AI
Round 5 - Telephonic Call 

(1 Question)

Round duration - 60 minutes
Round difficulty - Easy

This round was a telephonic interview with the CTO of the company. The he started with a small discussion about my projects and research paper .He then moved on to data structures and asked me how to choose a relevant data structure for a given problem. I gave him advantages of every data structure and certain problems where specific data structures could be useful .Then he gave a question and asked me for what data structure should be used keeping time complexity in mind. He asked me a few HR questions in the end .

  • Q1. 

    Average Marks Problem Statement

    Given the initial letter of a student's name and three integer marks for that student, calculate and display the student's initial letter followed by the integer part of th...

  • Ans. 

    Calculate and display the student's initial letter followed by the integer part of their average marks.

    • Calculate the average of the three marks provided for each student.

    • Display the initial letter of the student's name followed by the integer part of the average marks.

    • Round down the average to the nearest integer to get the integer part.

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAHike interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

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.

Application resume tips for other job seekers

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.

Final outcome of the interviewSelected

Skills evaluated in this interview

Get interview-ready with Top Hike Interview Questions

I was interviewed before Mar 2021.

Round 1 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical Interview round with questions on DSA.

  • Q1. 

    Running Median Problem

    Given a stream of integers, calculate and print the median after each new integer is added to the stream.

    Output only the integer part of the median.

    Example:

    Input:
    N = 5  
    Stre...
  • Ans. 

    Calculate and print the median after each new integer is added to the stream.

    • Use two heaps - a max heap to store the smaller half of the numbers and a min heap to store the larger half.

    • Keep the sizes of the two heaps balanced to efficiently calculate the median.

    • If the total number of elements is odd, the median will be the top element of the max heap.

    • If the total number of elements is even, the median will be the avera

  • Answered by AI
  • Q2. 

    Pair Sum in Binary Search Tree

    Given a Binary Search Tree (BST) and a target value 'K', determine if there exist two unique elements in the BST such that their sum equals the target 'K'.

    Explanation:

    A ...

  • Ans. 

    Given a BST and a target value, determine if there exist two unique elements in the BST such that their sum equals the target.

    • Traverse the BST in-order to get a sorted array of elements.

    • Use two pointers approach to find the pair sum in the sorted array.

    • Keep track of visited elements to ensure uniqueness.

    • Handle edge cases like null nodes and empty tree.

    • Example: For input BST [20, 10, 35, 5, 15, 30, 42, -1, 13, -1, -1, -

  • Answered by AI
  • Q3. 

    Statistics From A Large Sample Task

    Calculate various statistical measures given a large sample of integers in the range [0, 255]. For efficiency, you are provided with an array 'count' where the i-th ele...

  • Ans. 

    Calculate various statistical measures given a large sample of integers in the range [0, 255] using the provided frequency array.

    • Iterate through the 'count' array to calculate minimum and maximum values.

    • Calculate the mean by summing up all values and dividing by the total count.

    • Find the median by sorting the sample and determining the middle element(s).

    • Identify the mode by finding the element with the highest frequency...

  • Answered by AI
Round 2 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical Interview round with questions on DSA. A puzzle was also asked.

  • Q1. 

    LRU Cache Design Question

    Design a data structure for a Least Recently Used (LRU) cache that supports the following operations:

    1. get(key) - Return the value of the key if it exists in the cache; otherw...

  • Ans. 

    Design a Least Recently Used (LRU) cache data structure that supports get and put operations with capacity constraint.

    • Use a combination of hashmap and doubly linked list to efficiently implement the LRU cache.

    • Keep track of the least recently used item and update it accordingly when inserting new items.

    • Ensure to handle the capacity constraint by evicting the least recently used item when the cache is full.

  • Answered by AI
  • Q2. 

    Sorting of a Rotated Sorted Array Problem Statement

    You are provided with a rotated sorted array of size N. Your task is to sort the given array in increasing order.

    Example:

    Input:
    N = 4
    Array = [2, 3,...
  • Ans. 

    Implement a function to sort a rotated sorted array in increasing order without using the sort() function.

    • Find the pivot element in the rotated sorted array.

    • Split the array into two subarrays based on the pivot element.

    • Sort each subarray separately.

    • Merge the sorted subarrays to get the final sorted array.

  • Answered by AI
  • Q3. You have 5 pirates and 100 gold coins. The challenge is to determine how the pirates will divide the coins among themselves based on their ranking and the rules they follow.
Round 3 - HR 

Round duration - 30 minutes
Round difficulty - Easy

HR round with typical behavioral problems.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAHike interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

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.

Application resume tips for other job seekers

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.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview questions from similar companies

I was interviewed before Feb 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 65 minutes
Round difficulty - Easy

There were 2 sections – 
Aptitude and Logical Reasoning and MCQ based on Java question ,C++, coding for 20 min and 45 min respectively.
Section A- Not very difficult to clear this round although less time was a problem.
Section B- It contains 15 multiple choice question on c/c++,java and 4 simple coding questions

  • Q1. 

    Cycle Detection in a Singly Linked List

    Determine if a given singly linked list of integers forms a cycle or not.

    A cycle in a linked list occurs when a node's next points back to a previous node in the ...

  • Ans. 

    Detect if a singly linked list forms a cycle by checking if a node's next pointer points back to a previous node.

    • Traverse the linked list using two pointers, one moving at double the speed of the other.

    • If the two pointers meet at any point, there is a cycle in the linked list.

    • Use Floyd's Cycle Detection Algorithm for O(N) time complexity and O(1) space complexity.

  • Answered by AI
Round 2 - Coding Test 

(3 Questions)

Round duration - 75 minutes
Round difficulty - Medium

It was an online coding test in which 3 coding question were given.

  • Q1. 

    Smallest Window Problem Statement

    Given two strings, S and X, your task is to find the smallest substring in S that contains all the characters present in X.

    Example:

    Input:
    S = "abdd", X = "bd"
    Outpu...
  • Ans. 

    Find the smallest substring in string S that contains all characters in string X.

    • Iterate through string S and keep track of characters in X found in a window

    • Use two pointers to maintain the window and slide it to find the smallest window

    • Return the smallest window containing all characters in X

  • Answered by AI
  • Q2. 

    Smallest Integer Not Representable as Subset Sum

    Given a non-decreasing sorted array ARR of N positive numbers, determine the smallest positive integer that cannot be expressed as the sum of elements from...

  • Ans. 

    Find the smallest positive integer that cannot be expressed as the sum of elements from any proper subset of a non-decreasing sorted array of positive numbers.

    • Start with the smallest possible integer that cannot be represented, which is 1.

    • Iterate through the array and update the smallest integer that cannot be represented.

    • If the current element is greater than the smallest integer that cannot be represented, return tha...

  • Answered by AI
  • Q3. 

    Minimum Steps for a Knight to Reach Target

    Given a square chessboard of size 'N x N', determine the minimum number of moves a Knight requires to reach a specified target position from its initial position...

  • Ans. 

    Calculate the minimum number of moves a Knight needs to reach a target position on a chessboard.

    • Implement a function that takes knight's starting position, target position, and chessboard size as input

    • Use breadth-first search algorithm to find the shortest path for the Knight

    • Consider all possible 8 movements of the Knight on the chessboard

    • Return the minimum number of moves required for the Knight to reach the target po

  • Answered by AI
Round 3 - Face to Face 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Easy

It started with a discussion on the programs given in coding round. They asked me about my interest field after that they directly jumped into Networking, Linux and Ethical Hacking part looking my interest domain. They asked me various question on networking and linux.
Then they asked me to code a simple c program

  • Q1. 

    Reverse Linked List Problem Statement

    Given a singly linked list of integers, return the head of the reversed linked list.

    Example:

    Initial linked list: 1 -> 2 -> 3 -> 4 -> NULL
    Reversed link...
  • Ans. 

    Reverse a singly linked list of integers and return the head of the reversed linked list.

    • Iterate through the linked list and reverse the pointers to point to the previous node.

    • Keep track of the current, previous, and next nodes while reversing the linked list.

    • Update the head of the reversed linked list as the last node encountered during reversal.

  • Answered by AI
  • Q2. What are the port numbers of protocols such as FTP and SMTP?
  • Ans. 

    FTP uses port number 21 and SMTP uses port number 25.

    • FTP uses port 21 for data transfer and port 20 for control information.

    • SMTP uses port 25 for email communication.

    • Understanding port numbers is important for network communication.

  • Answered by AI
  • Q3. Can you explain the OSI Model?
  • Ans. 

    The OSI Model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.

    • The OSI Model stands for Open Systems Interconnection Model.

    • It consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

    • Each layer has specific functions and communicates with the adjacent layers.

    • Example: Layer 1 (Physical) deals with physi...

  • Answered by AI
  • Q4. How do you copy files in Linux?
  • Ans. 

    To copy files in Linux, you can use the 'cp' command.

    • Use the 'cp' command followed by the source file and destination directory to copy a file.

    • To copy a directory and its contents, use the '-r' flag with the 'cp' command.

    • You can also use wildcards like '*' to copy multiple files at once.

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAMakeMyTrip interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

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.

Application resume tips for other job seekers

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.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview Questionnaire 

8 Questions

  • Q1. Find out the subset of an array of continuous positive numbers from a larger array whose sum of of the elements is larger in comparision to other subset. eg: {1,2 5 -7, 2 5} .The two subarrays are {1,2,5} ...
  • Ans. 

    Find the subset of an array with the largest sum of continuous positive numbers.

    • Iterate through the array and keep track of the current sum and the maximum sum seen so far.

    • If the current element is positive, add it to the current sum. If it is negative, reset the current sum to 0.

    • Also keep track of the start and end indices of the maximum sum subset.

    • Return the subset using the start and end indices.

  • Answered by AI
  • Q2. Given two classes C1 and C2 which are almost same.(remember not exactly same). You want to choose best among these classes so that it can be use as key in hashmap. What question will you ask regarding two ...
  • Q3. You are given two strings s1 and s2.Now, find the smallest substring in s1 containing all characters of s2
  • Ans. 

    Find smallest substring in s1 containing all characters of s2.

    • Create a hash table of characters in s2

    • Use sliding window technique to find smallest substring in s1

    • Check if all characters in s2 are present in the substring

    • Update the smallest substring if a smaller one is found

  • Answered by AI
  • Q4. Questions on OOPS (almost all the concepts were covered like polymorphism, overriding, overloading, inheritance, concept of virtual fxns etc.)
  • Q5. Write algo for reversing a linked list
  • Ans. 

    Algorithm to reverse a linked list

    • Create a new empty linked list

    • Traverse the original linked list and insert each node at the beginning of the new list

    • Return the new list

  • Answered by AI
  • Q6. What is lazy loading? Advantages and disadvantages of the same?
  • Ans. 

    Lazy loading is a technique used to defer the loading of non-critical resources until they are needed.

    • Advantages: faster initial page load, reduced bandwidth usage, improved user experience

    • Disadvantages: increased complexity, potential for slower subsequent page loads, difficulty with SEO

    • Examples: images, videos, and other media files can be loaded only when they are visible on the screen

  • Answered by AI
  • Q7. How ajax works? Difference between angular js and jquery?
  • Ans. 

    Ajax is a technique for creating fast and dynamic web pages. AngularJS is a framework for building dynamic web applications, while jQuery is a library for simplifying HTML DOM traversal and manipulation.

    • Ajax stands for Asynchronous JavaScript and XML

    • It allows web pages to be updated asynchronously by exchanging data with a web server behind the scenes

    • AngularJS is a JavaScript framework that extends HTML with new attrib...

  • Answered by AI
  • Q8. Design a traffic light system?
  • Ans. 

    A traffic light system controls the flow of traffic at intersections.

    • The system consists of three lights: red, yellow, and green.

    • Each light has a specific duration for which it stays on.

    • The system also includes sensors to detect the presence of vehicles and pedestrians.

    • The duration of each light can be adjusted based on traffic patterns.

    • The system can be connected to a central control system for remote monitoring and m

  • Answered by AI

Interview Preparation Tips

Skills: Javascript, Ajax, Angular JS, Jquery
College Name: na

Skills evaluated in this interview

I was interviewed before Feb 2021.

Round 1 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical round with 3 problems based on DSA and Algorithms.

  • Q1. 

    Smallest Integer Not Representable as Subset Sum

    Given a non-decreasing sorted array ARR of N positive numbers, determine the smallest positive integer that cannot be expressed as the sum of elements from...

  • Ans. 

    Find the smallest positive integer that cannot be expressed as the sum of elements from any proper subset of a given array.

    • Sort the array in non-decreasing order.

    • Iterate through the array and keep track of the smallest sum that can be formed.

    • If the next element in the array is greater than the current sum + 1, then the answer is the current sum + 1.

    • Return the answer as the smallest integer not representable as a subset

  • Answered by AI
  • Q2. 

    Reverse Linked List Problem Statement

    Given a singly linked list of integers, return the head of the reversed linked list.

    Example:

    Initial linked list: 1 -> 2 -> 3 -> 4 -> NULL
    Reversed link...
  • Ans. 

    Reverse a singly linked list of integers and return the head of the reversed linked list.

    • Iterate through the linked list and reverse the pointers to point to the previous node instead of the next node.

    • Use three pointers to keep track of the current, previous, and next nodes while reversing the linked list.

    • Update the head of the reversed linked list to be the last node encountered during the reversal process.

  • Answered by AI
  • Q3. 

    Smallest Window Problem Statement

    Given two strings S and X containing random characters, the task is to find the smallest substring in S which contains all the characters present in X.

    Input:

    The first...
  • Ans. 

    The task is to find the smallest substring in string S which contains all the characters present in string X.

    • Iterate through string S and keep track of characters in X using a hashmap

    • Use two pointers to maintain a sliding window and find the smallest window containing all characters in X

    • Return the smallest window found

  • Answered by AI
Round 2 - Face to Face 

(1 Question)

Round duration - 60 minutes
Round difficulty - Easy

Technical round with questions based on OOPS and Angular.

  • Q1. What are the different OOP concepts?
  • Ans. 

    OOP concepts include inheritance, encapsulation, polymorphism, and abstraction.

    • Inheritance allows a class to inherit properties and behavior from another class.

    • Encapsulation restricts access to certain components of an object, protecting its integrity.

    • Polymorphism allows objects to be treated as instances of their parent class.

    • Abstraction hides the complex implementation details of an object and only shows the necessar

  • Answered by AI
Round 3 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Questions based on System Design, ajax, jquery were asked.

  • Q1. How would you design a traffic light system?
  • Ans. 

    Designing a traffic light system involves creating a system that controls the flow of traffic at intersections.

    • Divide the traffic light system into three main lights: red, yellow, and green.

    • Implement timers to control the duration of each light.

    • Include sensors to detect the presence of vehicles and pedestrians.

    • Consider implementing a pedestrian crossing signal.

    • Integrate a central control system to coordinate the timing

  • Answered by AI
  • Q2. How does AJAX work?
  • Ans. 

    AJAX allows for asynchronous communication between client and server without needing to reload the entire page.

    • AJAX stands for Asynchronous JavaScript and XML.

    • It allows for sending and receiving data from a server without reloading the entire page.

    • AJAX uses XMLHttpRequest object to make requests to the server.

    • It can update parts of a web page without requiring a full page reload.

    • Commonly used in web applications to pro

  • Answered by AI
  • Q3. What is the difference between AngularJS and jQuery?
  • Ans. 

    AngularJS is a full-fledged MVC framework for building dynamic web applications, while jQuery is a lightweight library for DOM manipulation and event handling.

    • AngularJS is a full-fledged MVC framework, providing features like two-way data binding, dependency injection, and routing.

    • jQuery is a lightweight library primarily used for DOM manipulation and event handling.

    • AngularJS is suitable for building single-page applic...

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAMakeMyTrip interview preparation:Topics to prepare for the interview - Javascript, Ajax, Angular JS, Jquery, Data Structures, Algorithms, System Design, OOPSTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

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.

Application resume tips for other job seekers

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.

Final outcome of the interviewRejected

Skills evaluated in this interview

I was interviewed before Dec 2020.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This round was purely based on Data Structures and Algorithms . One has to be fairly comfortable in solving Algorithmic problems to pass this round . Both the questions asked were quite common and luckily I had already prepared them from CodeStudio and LeetCode.

  • Q1. 

    Binary Tree Traversals Problem Statement

    Given a Binary Tree with 'N' nodes, where each node holds an integer value, your task is to compute the In-Order, Pre-Order, and Post-Order traversals of the binar...

  • Ans. 

    Compute the In-Order, Pre-Order, and Post-Order traversals of a Binary Tree given in level-order format.

    • Implement functions to perform In-Order, Pre-Order, and Post-Order traversals of a Binary Tree.

    • Use level-order input to construct the Binary Tree.

    • Traverse the Binary Tree recursively to generate the required traversals.

    • Ensure proper handling of null nodes represented by -1 in the input.

    • Return the three traversals as

  • Answered by AI
  • Q2. 

    Reverse Linked List Problem Statement

    Given a Singly Linked List of integers, your task is to reverse the Linked List by altering the links between the nodes.

    Input:

    The first line of input is an intege...
  • Ans. 

    Reverse a singly linked list by altering the links between nodes.

    • Iterate through the linked list and reverse the links between nodes

    • Use three pointers to keep track of the current, previous, and next nodes

    • Update the links between nodes to reverse the list

    • Return the head of the reversed linked list

  • Answered by AI
Round 2 - Face to Face 

(1 Question)

Round duration - 45 Minutes
Round difficulty - Medium

This round basically tested some concepts from Data Structures and File Manipulation .

  • Q1. 

    Intersection of Two Arrays Problem Statement

    Given two arrays A and B with sizes N and M respectively, both sorted in non-decreasing order, determine their intersection.

    The intersection of two arrays in...

  • Ans. 

    The problem involves finding the intersection of two sorted arrays efficiently.

    • Use two pointers to iterate through both arrays simultaneously.

    • Compare elements at the pointers and move the pointers accordingly.

    • Handle cases where elements are equal and update the intersection array.

    • Return the intersection array as the result.

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPABig Basket interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, Operating Systems, Aptitude, OOPSTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

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.

Application resume tips for other job seekers

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.

Final outcome of the interviewSelected

Skills evaluated in this interview

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Hike Interview FAQs

How many rounds are there in Hike Software Developer interview?
Hike interview process usually has 3 rounds. The most common rounds in the Hike interview process are Technical, Resume Shortlist and Coding Test.
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