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posted on 14 Apr 2024
I appeared for an interview in Jan 2024.
SQL stands for Structured Query Language, used for managing and manipulating relational databases.
SQL is a standard language for accessing and manipulating databases.
It is used to perform tasks such as querying data, updating records, and creating tables.
Common SQL commands include SELECT, INSERT, UPDATE, DELETE, and JOIN.
Example: SELECT * FROM customers WHERE country = 'USA';
I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.
Random aptitude problems and simple code snippets of C programs
Regex function with if/else logic
Use regex to match a pattern in a string
Use if/else statements to execute different code based on the match
Example: if string matches 'hello', print 'world', else print 'goodbye'
The __init__() method is a constructor method in Python that is automatically called when an object is created.
It initializes the attributes of an object
It takes self as the first parameter
It can take additional parameters to initialize the object's attributes
It can be overridden to customize object initialization
To create a list inside a list, use nested HTML
Create an outer
Within the outer
Within the inner
Repeat for each sublist
Example:
Polymorphism is the ability of an object to take on many forms. In OOPs, it allows objects of different classes to be treated as if they are the same type.
Polymorphism allows for code reusability and flexibility
It can be achieved through method overloading or method overriding
Example: A parent class Animal has a method called makeSound(). Child classes Dog and Cat can override this method to make their own unique sound...
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I appeared for an interview before Jul 2023.
I applied via Campus Placement
Aptitude and combined coding tests
Design a web/mobile app for farmers to directly sell their produce.
Create a user-friendly interface for farmers to list their produce
Include features for farmers to set prices and quantities
Implement a search function for buyers to find specific produce
Include a secure payment system for transactions
Allow farmers to track their sales and manage inventory
posted on 27 Aug 2015
I appeared for an interview before Mar 2021.
Round duration - 30 minutes
Round difficulty - Medium
This was a MCQ round. 30 ques in 30 mins consisting of difficult quantitative aptitude questions were to be solved.
Round duration - 60 minutes
Round difficulty - Medium
In this test round, 2 coding questions were given. Either write the code or pseudo code
Given an integer N
, find all possible placements of N
queens on an N x N
chessboard such that no two queens threaten each other.
A queen can attack another queen if they ar...
The N Queens Problem involves finding all possible placements of N queens on an N x N chessboard without threatening each other.
Use backtracking algorithm to explore all possible configurations.
Keep track of rows, columns, and diagonals to ensure queens do not threaten each other.
Generate all valid configurations and print them out.
Given an integer array arr
of size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.
The first line contains an integer 'T' representing the n...
Sort an array of 0s, 1s, and 2s in linear time complexity.
Use three pointers to keep track of 0s, 1s, and 2s while traversing the array.
Swap elements based on the values encountered to sort the array in-place.
Time complexity should be O(N) and space complexity should be O(1).
Round duration - 60 minutes
Round difficulty - Easy
This was a technical round with questions on DSA.
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...
Reverse words in a string while handling leading, trailing, and multiple 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
You are provided with the head of a linked list containing integers. Your task is to determine if the linked list is circular.
Detect if a given linked list is circular by checking if it forms a closed loop.
Traverse the linked list using two pointers, one moving at double the speed of the other.
If the two pointers meet at any point, the linked list is circular.
If the faster pointer reaches the end of the list (NULL), the linked list is not circular.
Round duration - 30 minutes
Round difficulty - Easy
HR round with typical behavioral problems.
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.
posted on 10 Nov 2015
based on 2 interview experiences
based on 170 reviews
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