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I applied via Referral and was interviewed before Jul 2023. There were 2 interview rounds.
Simple coding on basic knowledge
I applied via Naukri.com and was interviewed in Aug 2021. There was 1 interview round.
To search in a dictionary, use the key-value pairs and access the value using the desired key.
Access the dictionary using the key to retrieve the corresponding value.
If the key is not present, handle the error or return a default value.
Example: dictionary['key'] returns the value associated with 'key'.
Intersection of two linked lists
Traverse both lists and compare each node
Use a hash table to store nodes of one list and check for intersection in the other list
Find the length of both lists, move the pointer of the longer list to the same distance from the end as the shorter list, and then compare nodes
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posted on 9 May 2024
I applied via campus placement at Meghnad Saha Institute of Technology, Kolkata and was interviewed before May 2023. There were 3 interview rounds.
More specifically Aptitude + Output based
I applied via campus placement at BRACT's Vishwakarma Institute of Information Technology, Pune and was interviewed in Oct 2024. There was 1 interview round.
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
Polymorphism allows objects of different classes to be treated as objects of a common superclass.
It enables a single interface to be used for different data types or classes.
Examples include method overloading and method overriding in object-oriented programming.
Find missing number from nth number array.
Iterate through the array and calculate the sum of all numbers
Calculate the sum of numbers from 1 to n using the formula n*(n+1)/2
Subtract the sum of array from the sum of numbers from 1 to n to find the missing number
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
Inheritance allows a class to reuse code from another class.
Types of inheritance include single inheritance, where a class inherits from only one parent class, and multiple inheritance, where a class inherits from multiple parent classes.
Example: Class B inherits from Class A, so Class B can access
Find 2nd max element from array of strings
Sort the array in descending order
Skip the first element (max element)
Return the second element
posted on 8 Oct 2024
posted on 24 Apr 2024
Total 60 question 30 from C/C++ output and 30 from profit-loss, find age and related to ratio
To rotate a matrix 90 degrees, transpose the matrix and then reverse each row.
Transpose the matrix by swapping matrix[i][j] with matrix[j][i]
Reverse each row of the transposed matrix to get the final rotated matrix
Iterative solution to perform preorder traversal without using recursion
Use a stack to keep track of nodes
Start by pushing the root node onto the stack
While the stack is not empty, pop a node, visit it, then push its right child followed by its left child onto the stack
Coding test was comprising of mcq based questions on db, oops, c++ and java
posted on 17 Oct 2023
posted on 20 Sep 2022
Incremental load is a process of updating a data warehouse or database by adding only the new or modified data.
Incremental load is used to minimize the amount of data that needs to be processed and loaded.
It involves identifying the changes in the source data and applying those changes to the target system.
Common techniques for incremental load include using timestamps, change data capture, or comparing checksums.
For e...
Keep and join are both used in programming, but they have different meanings and purposes.
Keep is a method used to filter elements from a collection based on a condition.
Join is used to combine elements from two or more collections based on a common attribute.
Keep returns a new collection with only the elements that satisfy the condition.
Join combines elements from multiple collections into a single collection.
Keep is ...
A synthetic key is a composite key created when two or more tables have multiple common fields.
Synthetic keys occur when there is a many-to-many relationship between tables.
They can be removed by resolving the underlying data model issues.
One way to remove synthetic keys is by creating a bridge table to represent the many-to-many relationship.
Another approach is to concatenate the common fields to create a unique key.
S...
I applied via campus placement at RV College Of Engineering (RVCE) and was interviewed before Nov 2023. There were 2 interview rounds.
Coding test on hackerrank
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