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I applied via Naukri.com and was interviewed in Aug 2022. There were 4 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
Prototyping in JavaScript allows for quick and easy creation of new objects and functions.
Prototyping allows for inheritance and sharing of properties and methods.
New objects can be created using the 'new' keyword and the prototype of an existing object.
Functions can also be prototyped to add new methods or properties.
Example: function Person(name) { this.name = name; } Person.prototype.greet = function() { console.log...
posted on 16 Jan 2024
I appeared for an interview before Jan 2023.
posted on 29 Apr 2024
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
Oops concepts in Java refer to Object-Oriented Programming principles like Inheritance, Polymorphism, Encapsulation, and Abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class.
Polymorphism: Allows objects to be treated as instances of their parent class.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Abstraction: Hides the implementation detail...
I applied via Recruitment Consulltant and was interviewed in Aug 2024. There was 1 interview round.
1 hour 10 mins, MERN Stack, Face to Face. Mongodb, medium DSA Question, callback, eventloop, NodeJS asynchronous working
I applied via Company Website and was interviewed in Oct 2022. There were 3 interview rounds.
Maths,verbal reasoning.
Like percentage,wages, proportional problems
Particular topic on political party
Policy manager is a software tool used to centrally manage and enforce policies across an organization's systems and applications.
Policy manager helps define, monitor, and enforce policies related to security, compliance, access control, and other governance aspects.
It allows administrators to set rules and regulations that govern how data and resources are accessed and used within an organization.
Policy manager can au...
I applied via LinkedIn and was interviewed in Sep 2023. There were 2 interview rounds.
Its a combination of all the questions like aptitude , logical questions, programming questions, sql, etc,...
I applied via Referral and was interviewed in Mar 2024. There were 2 interview rounds.
Its mostly on Train, Pipes and Cistern, Dice reasoning
Data Structures medium level question
based on 4 reviews
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