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I applied via Campus Placement and was interviewed before Feb 2023. There was 1 interview round.
Good Communication
Good Knowledge in any of the programming languages- C/C++/ Java/ Python/ .net/Golang/AWS/Azure/Devops
Should be open for development, support, and Quality Assurance.
Good Analytical skills
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I applied via Campus Placement and was interviewed in Jan 2016. There were 3 interview rounds.
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
To find a loop in a linked list, we use Floyd's cycle-finding algorithm.
Floyd's cycle-finding algorithm uses two pointers, one moving at twice the speed of the other.
If there is a loop in the linked list, the two pointers will eventually meet.
To detect the meeting point, we reset one of the pointers to the head of the linked list and move both pointers at the same speed.
The meeting point is the start of the loop.
LRU, MRU and LFU are caching algorithms used to manage memory in computer systems.
LRU stands for Least Recently Used and removes the least recently used items from the cache when the cache is full.
MRU stands for Most Recently Used and removes the most recently used items from the cache when the cache is full.
LFU stands for Least Frequently Used and removes the least frequently used items from the cache when the cache i...
I applied via Campus Placement and was interviewed before Nov 2020. There were 4 interview rounds.
I was interviewed in Apr 2021.
I applied via Campus Placement and was interviewed before Mar 2020. There were 3 interview rounds.
I have knowledge in multiple programming languages.
Java
Python
C++
JavaScript
posted on 17 May 2022
I was interviewed before May 2021.
Round duration - 60 minutes
Round difficulty - Easy
Timing - flexible 12 hours window to take the test. (9AM - 9PM)
Test was proctored
Given three integers X
, Y
, and Z
, calculate the sum of all numbers that can be formed using the digits 3, 4, and 5. Each digit can be used up to a maximum of X
, Y
, and Z
...
Calculate the sum of all numbers that can be formed using the digits 3, 4, and 5 with given constraints.
Iterate through all possible combinations of 3, 4, and 5 based on the given constraints.
Calculate the sum of each combination and add them up.
Return the final sum modulo 10^9 + 7.
Given a Weighted Directed Acyclic Graph (DAG) comprising 'N' nodes and 'E' directed edges, where nodes are numbered from 0 to N-1, and a source node 'Src'....
The task is to find the longest distances from a source node to all nodes in a weighted directed acyclic graph.
Implement a function that takes the number of nodes, edges, source node, and edge weights as input.
Use a topological sorting algorithm to traverse the graph and calculate the longest distances.
Return an array of integers where each element represents the longest distance from the source node to the correspondi
Round duration - 40 minutes
Round difficulty - Easy
Timing - 9:00 AM - 9:40 AM
You are provided with a positive integer N. Your goal is to determine the smallest number whose factorial has at least N trailing zeros.
N = 1
Find the smallest number whose factorial has at least N trailing zeros.
Calculate the number of 5's in the prime factorization of the factorial to determine the trailing zeros.
Use binary search to find the smallest number with at least N trailing zeros.
Consider edge cases like N = 0 or N = 1 for factorial trailing zeros problem.
Given a singly linked list of integers, your task is to return the head of the reversed linked list.
The given linked list is 1 -> 2 -> 3 -&g...
To reverse a singly linked list of integers, return the head of the reversed linked list.
Iterate through the linked list, reversing the pointers to point to the previous node instead of the next node.
Keep track of the previous, current, and next nodes while traversing the list.
Update the head of the reversed linked list to be the last element of the original list.
Round duration - 40 minutes
Round difficulty - Easy
Timing - 12:00 Pm to 12:40 PM
Ninja has been tasked with implementing a priority queue using a heap data structure. However, he is currently busy preparing for a tournament and has requested yo...
Implement a priority queue using a heap data structure by completing the provided functions: push(), pop(), getMaxElement(), and isEmpty().
Understand the operations: push() to insert element, pop() to remove largest element, getMaxElement() to return largest element, and isEmpty() to check if queue is empty.
Implement a heap data structure to maintain the priority queue.
Handle different types of queries based on the inp...
Given a binary tree with 'N' nodes, determine the size of the largest subtree that is also a BST (Binary Search Tree).
The first line contains an integer 'T', represen...
The problem involves finding the size of the largest subtree that is also a Binary Search Tree in a given binary tree.
Traverse the binary tree in a bottom-up manner to check if each subtree is a BST.
Keep track of the size of the largest BST subtree encountered so far.
Use recursion to solve the problem efficiently.
Consider edge cases like empty tree or single node tree.
Example: For input 1 2 3 4 -1 5 6 -1 7 -1 -1 -1 -1
Round duration - 40 minutes
Round difficulty - Medium
Timing - 6:00 PM - 6:30 PM
Design a system similar to Splitwise and suggest three features for improvement.
Implement a real-time notification system for updates on shared expenses
Integrate a feature for automatic currency conversion for international transactions
Enhance the user interface with data visualization tools for better expense tracking
Tip 1 : For fresher role, System design is not very important.
Tip 2 : Do at least 1-2 good quality projects.
Tip 1 : Have 1-2 good engaging projects in resume.
Tip 2 : Internships are helpful.
I applied via Campus Placement and was interviewed in Aug 2024. There were 2 interview rounds.
It was easy. Only basic questions were asked.
Developed a web-based inventory management system for a retail company
Used HTML, CSS, and JavaScript for front-end development
Utilized PHP and MySQL for back-end development
Implemented features such as product tracking, order processing, and reporting
Collaborated with team members to ensure project completion within deadline
Improving a website involves optimizing performance, enhancing user experience, and updating content regularly.
Optimize website speed by compressing images and minifying code
Enhance user experience by improving navigation and adding interactive features
Update content regularly to keep information fresh and relevant
I applied via Company Website and was interviewed in Apr 2024. There were 2 interview rounds.
One questiuon on dp longest increasing sub sequences
I was interviewed in Apr 2022.
Round duration - 60 minutes
Round difficulty - Medium
This round had 2 questions with Easy to Medium level of difficulty
You are given two rectangles situated on a 2-D coordinate plane, which may overlap. Your task is to compute the total area covered by these rectangles.
Calculate total area covered by two overlapping rectangles on a 2-D plane.
Calculate the area of each rectangle separately using the given coordinates.
Find the overlapping region by determining the intersection of the two rectangles.
Calculate the area of the overlapping region by multiplying its width and height.
Add the areas of the two rectangles and subtract the area of the overlapping region to get the total area cov
Given an array ARR
consisting of N
integers, rearrange the elements such that all negative numbers are located before all positive numbers. The orde...
Yes, this can be achieved by using a two-pointer approach to rearrange the array with negative numbers at the beginning.
Use two pointers, one starting from the beginning and one from the end of the array.
Swap elements at the two pointers if one is negative and the other is positive, and move the pointers accordingly.
Continue this process until the two pointers meet in the middle of the array.
The resulting array will ha...
Round duration - 70 minutes
Round difficulty - Medium
Standard DS/Algo round with 2 questions
Given the head node of a singly linked list, return a pointer to the middle node of the linked list. If there are an odd number of nodes, return the middle o...
Return the middle node of a singly linked list, considering odd and even number of nodes.
Traverse the linked list with two pointers, one moving at twice the speed of the other
When the faster pointer reaches the end, the slower pointer will be at the middle node
Handle cases for odd and even number of nodes separately
Return null if the list is empty
Given a positive integer N
, your task is to return all the prime numbers less than or equal to N
.
1) A prime number is a number that has only two factors:...
Return all prime numbers less than or equal to a given positive integer N.
Iterate from 2 to N and check if each number is prime using a helper function.
A number is prime if it is not divisible by any number from 2 to its square root.
Store and return the prime numbers in an array in increasing order.
Round duration - 30 minutes
Round difficulty - Easy
This was a Technical Cum HR round where I was first asked some basic Java-related concepts and then we discussed my expectations from the company, learnings and growth in the forthcoming years. I would suggest be honest and try to communicate your thoughts properly in these types of rounds to maximise your chances of getting selected.
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 : Resume should be informative but not more than two pages
Tip 2 : Provide the links of all your achievements, projects and certificates in your resume
based on 1 interview
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