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posted on 20 Jul 2021
I applied via Recruitment Consultant and was interviewed before Jul 2020. There were 5 interview rounds.
I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.
To check palindrome and anagram of a string with O(n), use a hash table to store character frequencies.
Create a hash table to store the frequency of each character in the string.
For palindrome, check that no more than one character has an odd frequency.
For anagram, compare the hash tables of the two strings.
If the hash tables are equal, the strings are anagrams.
If the hash tables differ by only one character, the strin...
Optimized solutions and core principles applied in OOPS
Encapsulation, Inheritance, Polymorphism, Abstraction are core principles of OOPS
Optimized solutions can be achieved through efficient algorithms and data structures
Design patterns like Singleton, Factory, Observer can also be used for optimized solutions
posted on 29 Oct 2021
I applied via Recruitment Consultant and was interviewed before Oct 2020. There were 3 interview rounds.
Find an odd occurring number among even occurring numbers.
Use XOR operation to cancel out even occurring numbers and get the odd occurring number.
Iterate through the array and XOR each element with the result variable.
The final result will be the odd occurring number.
Print the spiral order of a binary tree and matrix.
For binary tree, use level order traversal and alternate direction for each level.
For matrix, use four pointers to traverse in spiral order.
Example for binary tree: 1 -> 2 -> 3 -> 4 -> 5 -> 6 -> 7 -> 8 -> 9
Example for matrix: 1 2 3 4 -> 8 7 6 5 -> 9 10 11 12 -> 16 15 14 13
Finding pairs in an array with a given sum.
Iterate through the array and for each element, check if the difference between the given sum and the element exists in the array.
Use a hash table to store the elements of the array and their indices for faster lookup.
If there are multiple pairs with the same sum, return any one of them.
If no pair is found, return null or an empty array.
Find total number of k element with given avg in an array in minimum time complexity.
Use sliding window technique to traverse the array in O(n) time complexity.
Maintain a sum variable to keep track of the sum of elements in the window.
If the sum of elements in the window is equal to k times the given avg, increment the count.
Move the window by subtracting the first element and adding the next element in the array.
Printing non-boundary elements of a binary tree
Traverse the tree in any order (preorder, inorder, postorder)
Check if the current node is not a boundary node (not the first or last node in its level)
If it is not a boundary node, print its value
Recursively traverse its left and right subtrees
posted on 4 May 2017
I appeared for an interview in Dec 2016.
Experienced sales professional with a proven track record of exceeding targets and building strong client relationships.
Over 5 years of sales experience in the consumer goods industry
Consistently met or exceeded sales targets by 20% each quarter
Built and maintained strong relationships with key clients such as Walmart and Target
Led a team of sales representatives to increase market share by 15% in one year
I have mentioned my experience in leading sales teams, developing strategies, and exceeding sales targets.
Led a team of 10 sales representatives to achieve a 20% increase in sales revenue within one year
Developed and implemented a new sales strategy that resulted in a 30% growth in market share
Consistently exceeded sales targets by 15% through effective sales planning and execution
I interned at a marketing firm where I assisted the sales team in developing strategies and analyzing market trends.
Assisted sales team in developing marketing strategies
Analyzed market trends to identify potential opportunities
Participated in client meetings to understand their needs and preferences
SBI Cards is a good place to work for due to its strong brand reputation, growth opportunities, and employee-friendly policies.
Strong brand reputation in the financial industry
Opportunities for career growth and advancement
Employee-friendly policies and benefits
Supportive work environment and team collaboration
Commitment to innovation and technology-driven solutions
I was responsible for managing a team of sales representatives and achieving sales targets in my assigned territory.
Managed a team of sales representatives
Set and achieved sales targets in assigned territory
Developed and implemented sales strategies
Provided training and support to team members
Maintained relationships with key clients
Seeking new challenges and growth opportunities.
Desire for career advancement
Limited growth opportunities in previous company
Seeking new challenges and responsibilities
To retain customers for SBI cards, conduct a survey to understand their needs and preferences, offer personalized rewards and benefits, provide excellent customer service, and continuously engage with customers through targeted marketing campaigns.
Conduct a survey to gather feedback and understand customer needs
Offer personalized rewards and benefits based on customer spending patterns
Provide excellent customer service...
My favorite subject is psychology because I am fascinated by the human mind and behavior.
I enjoy learning about different psychological theories and concepts
I find it interesting to analyze human behavior and understand the reasons behind it
I am intrigued by the impact of mental health on individuals and society
The 4 P's of marketing are Product, Price, Place, and Promotion. The most important P depends on the specific context and goals of the business.
Product: Refers to the goods or services being offered by a company. It includes the features, quality, design, and packaging.
Price: Refers to the amount customers are willing to pay for the product. It should be set in a way that covers costs and generates profit.
Place: Refers...
I have strong leadership skills demonstrated through my ability to motivate and inspire teams to achieve goals.
I have experience in leading teams in previous roles
I am able to communicate effectively and provide clear direction
I am skilled at problem-solving and conflict resolution
I prioritize team development and mentorship
Yes, I am okay with the job location as it is convenient for me.
I have no issues with the job location
I am familiar with the area and have no problem commuting
The job location is convenient for me
posted on 20 May 2017
I appeared for an interview in May 2017.
Yes, the string class can be extended in most programming languages.
Inheritance can be used to extend the functionality of the string class.
By creating a new class that inherits from the string class, additional methods and properties can be added.
Extending the string class allows for customization and adding specific functionality to strings.
Example: In Python, the string class can be extended by creating a new class
Implicit objects in JSP are predefined objects that are available for use without any declaration or initialization.
Implicit objects in JSP include request, response, session, application, out, config, pageContext, page, exception, and others.
These objects provide access to various aspects of the JSP environment and can be used to perform common tasks.
For example, the request object allows access to HTTP request parame...
A hash map is a data structure that uses a hash function to map keys to values.
Hash map stores key-value pairs
It uses a hash function to compute an index for each key
Collisions can occur when two keys hash to the same index
Hash maps provide fast access to values based on their keys
StringBuffer and StringBuilder are both used to manipulate strings, but StringBuffer is thread-safe while StringBuilder is not.
StringBuffer is synchronized, making it safe for use in multi-threaded environments.
StringBuilder is not synchronized, making it faster but not thread-safe.
StringBuffer is preferred when multiple threads are involved, while StringBuilder is preferred for single-threaded scenarios.
Both classes p...
MVC is a software architectural pattern that separates an application into three main components: Model, View, and Controller.
Model represents the data and business logic of the application.
View is responsible for displaying the user interface.
Controller handles user input, updates the model, and interacts with the view.
MVC promotes separation of concerns and modularity in software development.
Example: In a web applica...
Annotations used in RESTful web services
1. @Path - Specifies the URI path for the resource
2. @GET - Specifies that the method handles HTTP GET requests
3. @POST - Specifies that the method handles HTTP POST requests
4. @PUT - Specifies that the method handles HTTP PUT requests
5. @DELETE - Specifies that the method handles HTTP DELETE requests
6. @PathParam - Binds the value of a URI template parameter to a method paramete...
I appeared for an interview before Mar 2021.
Round duration - 90 minutes
Round difficulty - Medium
There were 33 questions in total. The objective questions were simple.
Mary is an enthusiastic party-goer who struggles with remembering event dates. Help Mary by sorting a given list of event dates in an ascending order.
Sort a list of event dates in ascending order based on year, month, and day.
Sort the list of dates based on year, then month, and finally day.
Use a sorting algorithm to rearrange the dates in ascending order.
Ensure the constraints are met for each date in the list.
You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.
Given an array and a target sum, find all pairs of elements that add up to the target sum.
Iterate through the array and for each element, check if the complement (target sum - current element) exists in a hash set.
If the complement exists, add the pair to the result list.
Sort the pairs based on the first element and then the second element.
Handle edge cases like duplicate elements and pairs with the same values.
Example...
Given an integer N
, your task is to recursively break it into three integer parts: N / 2
, N / 3
, and N / 4
. You need to compute the maximum sum possible by dividing the numbe...
Given an integer N, recursively break it into three parts and find the maximum sum possible.
Recursively divide N into N/2, N/3, and N/4 to find the maximum sum
Compare the sum obtained by dividing N with the sum of N itself
Return the maximum sum for each test case
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 appeared for an interview before Mar 2021.
Round duration - 60 minutes
Round difficulty - Medium
Technical Interview round with questions based on DSA.
Given an array ARR
of size N
, containing each number between 1 and N-1
at least once, identify the single integer that appears twice.
The first line contains an integer...
Identify the duplicate integer in an array containing numbers between 1 and N-1.
Iterate through the array and keep track of the frequency of each element using a hashmap.
Return the element with a frequency greater than 1 as the duplicate integer.
Ensure the constraints are met and a duplicate number is guaranteed to be present.
You are given an arbitrary binary tree consisting of N nodes, each associated with an integer value from 1 to 9. Each root-to-leaf path can be considered a number formed by concat...
Calculate the total sum of all root to leaf paths in a binary tree formed by concatenating node values.
Traverse the binary tree from root to leaf nodes, keeping track of the current path sum
Add the current node value to the path sum and multiply by 10 for each level
When reaching a leaf node, add the final path sum to the total sum
Return the total sum modulo (10^9 + 7)
You are given a directed acyclic graph (DAG). Your task is to perform topological sorting of the graph and return any valid ordering.
A directed acyclic g...
Implement a function to perform topological sorting on a directed acyclic graph (DAG) and return any valid ordering.
Create a graph data structure to represent the DAG
Use depth-first search (DFS) to perform topological sorting
Maintain a visited array to keep track of visited nodes
Return the ordering of nodes after DFS traversal
Round duration - 60 minutes
Round difficulty - Easy
Technical interview round with questions based on DSA.
You are given a binary tree consisting of distinct integers and two nodes, X
and Y
. Your task is to find and return the Lowest Common Ancestor (LCA) of these two nodes...
Find the Lowest Common Ancestor (LCA) of two nodes in a binary tree.
Traverse the binary tree to find the paths from the root to nodes X and Y.
Compare the paths to find the last common node, which is the LCA.
Handle cases where one node is an ancestor of the other.
Consider edge cases like when X or Y is the root node.
Implement a recursive or iterative solution to find the LCA efficiently.
You are provided with a sorted array that has undergone 'K' rotations (the exact value of 'K' is unknown). A rotation involves shifting each element of the array to the right,...
Implement a function to find the minimum number in a rotated sorted array efficiently.
Use binary search to find the minimum element in the rotated array.
Compare the mid element with the start and end elements to determine which half of the array to search next.
Continue the binary search until the minimum element is found.
Given an array TREE
of 'N' unique integers, construct a maximum binary tree using the following rules:
TREE
.Construct a maximum binary tree from an array of unique integers following specific rules.
Find the maximum number in the array to set as the root of the tree.
Recursively construct the left subtree with elements before the maximum number.
Recursively construct the right subtree with elements after the maximum number.
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.
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