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Permutations and combinations, time and work
Baesd on leetcode question varies from easy to difficult
I applied via Walk-in and was interviewed in Aug 2021. There was 1 interview round.
I applied via Indeed and was interviewed before Aug 2023. There were 3 interview rounds.
Core HTML, CSS and JS
JS deep dive and react
I want to become a technical lead and work on innovative projects.
I plan to gain more experience in software development and project management.
I want to learn new technologies and keep up with industry trends.
I hope to mentor and guide junior developers to help them grow in their careers.
I aspire to work on projects that have a positive impact on society.
In 10 years, I see myself as a senior software developer leading a team of developers to create innovative solutions.
Leading a team of developers to create innovative solutions
Continuing to learn and stay up-to-date with new technologies
Mentoring junior developers
Contributing to open-source projects
Attending and speaking at tech conferences
I appeared for an interview before Mar 2021.
Round duration - 60 minutes
Round difficulty - Medium
After written test , only 4 from Mca and 4 from Mtech were selected for next round.
It was also pure technical round. Interview started just after result was declared. Since there was only two panels, It was taking time.
Given an array of integers ARR
of size N, consisting of 0s and 1s, you need to select a sub-array and flip its bits. Your task is to return the maximum count of 1s that can b...
Given an array of 0s and 1s, find the maximum count of 1s by flipping a sub-array at most once.
Iterate through the array and keep track of the maximum count of 1s obtained by flipping a sub-array.
Consider flipping a sub-array from index i to j and calculate the count of 1s in the resulting array.
Return the maximum count of 1s obtained by flipping a sub-array at most once.
Given a positive integer N
, compute the total number of '1's in the binary representation of all numbers from 1 to N. Return this count modulo 1e9+7 because the result can...
Count the total number of set bits in the binary representation of numbers from 1 to N modulo 1e9+7.
Iterate through numbers from 1 to N and count the set bits in their binary representation
Use bitwise operations to count the set bits efficiently
Return the count modulo 1e9+7 for each test case
NAT stands for Network Address Translation. It is used to translate private IP addresses to public IP addresses.
NAT allows multiple devices on a local network to share a single public IP address.
It enhances security by hiding internal IP addresses from external networks.
Types of NAT include Static NAT, Dynamic NAT, and Port Address Translation (PAT).
A VLAN (Virtual Local Area Network) is a network of computers that behave as if they are connected to the same physical network, even though they may be located on different segments.
VLANs are used to segment network traffic and improve network performance and security.
They allow for logical grouping of devices regardless of their physical location.
VLANs can be configured to separate different departments within an org...
A socket buffer is a temporary storage area in memory used for sending and receiving data over a network.
Socket buffers are used by the operating system to temporarily store data being sent or received over a network connection.
They help in managing the flow of data between the application and the network interface.
Socket buffers can be adjusted in size to optimize network performance.
Examples include TCP send and rece
A bridge in networking is a device that connects two or more network segments, allowing them to communicate with each other.
Bridges operate at the data link layer of the OSI model.
They use MAC addresses to forward data between network segments.
Bridges help reduce network congestion by only forwarding data to the segment where the destination device is located.
Example: Connecting a wired LAN to a wireless LAN using a br
Round duration - 60 minutes
Round difficulty - Medium
Technical interview round with questions based on DSA/OS etc.
You are given a string STR
which contains alphabets, numbers, and special characters. Your task is to reverse the string.
STR = "abcde"
"e...
Reverse a given string containing alphabets, numbers, and special characters.
Iterate through the string from the end to the beginning and append each character to a new string.
Use built-in functions like reverse() or StringBuilder in languages like Python or Java for efficient reversal.
Handle special characters and numbers while reversing the string.
Ensure to consider the constraints provided in the problem statement.
T...
Given two strings STR1
and STR2
, determine the length of their longest common subsequence.
A subsequence is a sequence that can be derived from another sequen...
The task is to find the length of the longest common subsequence between two given strings.
Implement a function to find the longest common subsequence between two strings.
Use dynamic programming to solve the problem efficiently.
Iterate through the strings and build a matrix to store the lengths of common subsequences.
Return the length of the longest common subsequence found.
Zombie, Orphan, and Daemon processes are different types of processes in operating systems.
Zombie process is a terminated process that has not been removed from the process table yet.
Orphan process is a child process whose parent process has terminated.
Daemon process is a background process that runs detached from the controlling terminal.
Little endian and big endian are ways of storing multibyte data in memory, with little endian storing the least significant byte first and big endian storing the most significant byte first.
Little endian stores the least significant byte first, while big endian stores the most significant byte first.
For example, the number 0x12345678 would be stored as 78 56 34 12 in little endian and 12 34 56 78 in big endian.
Most mod...
Linking is the process of connecting different parts of a program together to create a single executable file.
Linking combines object files generated by the compiler into a single executable file.
There are two types of linking: static linking and dynamic linking.
Static linking includes all necessary libraries and dependencies in the executable file.
Dynamic linking references external libraries at runtime.
Examples of li...
Memory layout of a C program includes sections like text, data, bss, heap, and stack.
The 'text' section contains the executable code of the program.
The 'data' section contains initialized global and static variables.
The 'bss' section contains uninitialized global and static variables.
The 'heap' is used for dynamic memory allocation.
The 'stack' is used for function call and local variables.
A symbol table is a data structure used by a compiler to store information about the names of variables, functions, and other symbols in a program.
It maps identifiers to information about them, such as their type, scope, and memory location.
Symbol tables are used during compilation to resolve references to symbols and perform semantic analysis.
Examples of symbol tables include the global symbol table in Python and the
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.
The function checks if a string is a substring of another string.
Use the built-in string methods like 'indexOf' or 'includes' to check for substring.
If the language supports regular expressions, you can also use them to find substrings.
Consider the case sensitivity of the strings when comparing.
Code to multiply two matrices of dimension M*N and N*K.
Create a result matrix of dimension M*K.
Iterate through each row of the first matrix.
For each row, iterate through each column of the second matrix.
For each element in the row of the first matrix, multiply it with the corresponding element in the column of the second matrix.
Sum up the products and store the result in the corresponding position of the result matrix.
...
SQL query to perform matrix multiplication using two tables with row, col, and value columns.
Use JOIN operation to combine the two tables based on matching row and col values.
Use GROUP BY clause to group the result by row and col values.
Use SUM function to calculate the dot product of corresponding row and col values.
Use INSERT INTO statement to insert the result into a new table.
Prototype in JavaScript is an object that is associated with every function and object by default.
Prototype is used to add properties and methods to an object.
It allows objects to inherit properties and methods from other objects.
Modifying the prototype of a function affects all instances of that function.
Prototypes can be used to create new objects based on existing objects.
The prototype chain allows for property and
Classes in JavaScript are written using the class keyword.
Use the class keyword followed by the class name to define a class.
Use the constructor method to initialize class properties.
Add methods to the class using the class prototype.
Use the new keyword to create an instance of the class.
The number of different ways to climb a ladder of N steps by taking 1 or 2 steps at a time.
This is a classic problem that can be solved using dynamic programming.
The number of ways to climb N steps is equal to the sum of the number of ways to climb N-1 steps and N-2 steps.
The base cases are when N is 0 or 1, where there is only 1 way to climb the ladder.
For example, for N=4, there are 5 different ways: [1, 1, 1, 1], [1
Print a square matrix in spiral order
Start by defining the boundaries of the matrix
Iterate through the matrix in a spiral pattern, printing each element
Adjust the boundaries after each iteration to move inward
Repeat until all elements are printed
Retrieve the second highest marks obtained by each student from a table with student name, subject, and marks.
Use the RANK() function to assign a rank to each row based on the marks in descending order.
Filter the result to only include rows with rank 2 for each student.
Group the result by student name to get the second highest marks for each student.
The .live() method attaches an event handler to the current and future elements, while .delegate() attaches an event handler to a parent element.
The .live() method is deprecated in newer versions of jQuery.
The .delegate() method is preferred over .live() for performance reasons.
Both methods are used to handle events for dynamically added elements.
Example: $(document).live('click', 'button', function() { ... });
Example:...
Chaining in jQuery allows multiple methods to be called on a single element in a single line of code.
Chaining simplifies code and improves readability.
Each method in the chain operates on the result of the previous method.
The chain ends with a method that does not return a jQuery object.
Example: $('div').addClass('highlight').fadeOut();
A callback function is a function that is passed as an argument to another function and is executed later.
Callback functions are commonly used in event-driven programming.
They allow asynchronous execution of code.
Callback functions can be used to handle responses from APIs or user interactions.
They can be anonymous functions or named functions.
Example: setTimeout(function() { console.log('Hello!'); }, 1000);
The .bind() function in jQuery is used to attach an event handler function to one or more elements.
It allows you to specify the event type and the function to be executed when the event occurs.
The .bind() function can be used to bind multiple events to the same element.
It can also be used to pass additional data to the event handler function.
The .bind() function is deprecated in jQuery version 3.0 and above. It is reco
The angle between the hour and minute hands of a clock can be calculated using a formula.
The hour hand moves 30 degrees per hour and 0.5 degrees per minute.
The minute hand moves 6 degrees per minute.
Calculate the angle between the two hands using the formula: |30H - 11M/2|, where H is the hour and M is the minute.
Yes, it is possible to create a slideshow without using JavaScript.
Use CSS animations and transitions to create the slideshow.
Use HTML and CSS to structure and style the slideshow.
Utilize keyframe animations to create the slide transitions.
Use radio buttons or checkboxes to control the slideshow navigation.
Apply the :target pseudo-class to create a simple slideshow without JavaScript.
The men can take turns riding the scooter, allowing them to reach point B faster.
The men can form a queue and take turns riding the scooter.
The person riding the scooter can drop it off at a certain point and the next person can pick it up.
The scooter can be passed along the line of men until everyone reaches point B.
posted on 25 Mar 2015
posted on 1 Dec 2015
I applied via Company Website
based on 1 interview
Interview experience
based on 1 review
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