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Neeyamo Enterprise Solutions
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I appeared for an interview before Dec 2020.
Round duration - 87 minutes
Round difficulty - Medium
Timing : It was conducted in evening at 3 PM
The pacreception environment was very user friendly .
The platform was audio and video proctored.
Convert a given binary number, represented as a string 'S' of size 'N', into its decimal equivalent integer and output it.
The first line contains an integer 'T', den...
Convert a binary string to its decimal equivalent integer.
Iterate through the binary string from right to left, multiplying each digit by 2 raised to the power of its position.
Add the results of the multiplication to get the decimal equivalent.
Ensure the binary string consists only of '0' and '1' characters.
Handle multiple test cases by repeating the conversion process for each case.
Round duration - 80 minutes
Round difficulty - Medium
So This was a very interactive round . There were two interviewers , one male and one female . The male interviewer was quite experienced where as female interviewer was relatively new . The Interview started by a small introduction followed by some OOPS related questions where I was tested on how i perceive the concept of OOPS in real life . Then this conversation was followed by some core concepts of JAVA like abstract classes and interfaces . Then I was asked about my projects that i mentioned in my resume , then after some healthy discussion on those projects , the interviewer started to question about DBMS , I was asked some basic queries followed by some advanced queries and then followed by a discussion on SQL vs NoSQL . Then Interviewers asked me about my tech stack and the source of my technical knowledge. Then at last I was asked that why Blackrock and this concluded my Interview.
Ninja is provided with 'N' stars and the task is to construct a triangle such that the 'i'th level of the triangle uses 'i' number of stars. The goal is to make th...
Given 'N' stars, construct a triangle with maximum height using 'i' stars in 'i'th level.
Calculate the maximum height of the triangle using the formula: height = floor((-1 + sqrt(1 + 8 * N)) / 2)
Iterate through each test case and calculate the maximum height for each 'N'.
Output the maximum height for each test case.
Tip 1 : Be precise about what to do and what not to do.
Tip 2 : Always Revise the concepts you have done in past , use prime day revision theory.
Tip 3 : Do as many projects as you can but always mention those projects in which you are very well versed.
Tip 4 : Keep on reading random news related to your favourite tech and always have an in depth knowledge of what tech you currently use.
Tip 1 : Keep it short , precise and effective .
Tip 2 : Mention even small things that you did had an impact on other people.
I applied via Campus Placement and was interviewed in Apr 2024. There were 3 interview rounds.
Aptitude, maths, cs fundamentals, dbms
I appeared for an interview in Jan 2022.
Round duration - 100 Minutes
Round difficulty - Hard
There were 2 interviewers. It started with an introduction from me and one of the interviewers directly started with a DSA questions. Two problems were asked and I had to code them on a compiler of my choice by sharing my screen. Level of DSA question was medium but I was severely grilled on oops. I had to create different abstract classes, interface and explain entire oops with examples.
This was followed by a set of core JAVA questions :
Difference between == and .equals() ?
Mention some methods of the object class?
Difference between TreeSet and SortedSet?
How is a String saved in JAVA?
difference between string pool and heap memory?
Your task is to determine the shortest distance between two nodes with given keys in a Binary Search Tree (BST).
It is assured that both keys exist within the BS...
Find the shortest distance between two nodes in a Binary Search Tree.
Traverse the BST to find the paths from the root to both nodes.
Compare the paths to find the common ancestor node.
Calculate the distance by adding the lengths of the paths from the common ancestor to both nodes.
Return the shortest distance as the result.
You are tasked with finding the greatest common divisor (GCD) of two given numbers 'X' and 'Y'. The GCD is defined as the largest integer that divides both of the...
Find the greatest common divisor (GCD) of two given numbers 'X' and 'Y'.
Iterate from 1 to the minimum of X and Y, check if both X and Y are divisible by the current number, update GCD if true
Use Euclidean algorithm to find GCD: GCD(X, Y) = GCD(Y, X % Y)
If one of the numbers is 0, the other number is the GCD
Handle edge cases like when one of the numbers is 0 or negative
Given an undirected graph with V vertices and E edges, your task is to find all the bridges in this graph. A bridge is an edge that, when removed, increases the number of...
Find all the bridges in an undirected graph.
Use Tarjan's algorithm to find bridges in the graph.
A bridge is an edge whose removal increases the number of connected components.
Check for bridges by removing each edge and running a DFS to see if the graph is still connected.
Tip 1 : Tree is the most important topic in BlackRock recruitment process.
Tip 2 : have atleast one live working project- host your project either on Heroku/Play Store.
Tip 3 : Practice atleast 100 leetcode medium questions.
Tip 1 : Don't oversell yourself because interviewers will grind you on everything that you write in resume.
Tip 2 : Mention links to your project.
I appeared for an interview before Jun 2021.
Round duration - 90 Minutes
Round difficulty - Medium
Round duration - 60 Minutes
Round difficulty - Medium
Your task is to determine if a given binary tree with 'N' nodes is a valid Binary Search Tree (BST). A BST is defined by the following properties:
Validate if a given binary tree is a valid Binary Search Tree (BST) based on its properties.
Check if the left subtree of a node has only nodes with data less than the node's data.
Verify if the right subtree of a node has only nodes with data greater than the node's data.
Ensure that both the left and right subtrees are also binary search trees.
Implement a validation function for a BST.
Output 'true' if the binary tree is
Round duration - 60 Minutes
Round difficulty - Easy
Tip 1 : Pratice regularly atleast 5 problem . Make it habit .Try to cover Leetcode medium questions as many as possible
Tip 2 : Be through with your projects . At some point interviewer will ask you some project related questions
Tip 3 : Be strong in your CS fundamentals.
Tip 1 : Do not put irrelevant information such as DOB
Tip 2 : Put only those skill which you can defend in cross questioning
A link list is a linear data structure where each element is a separate object with a pointer to the next element.
Link list is used to store data in a non-contiguous manner.
It allows for efficient insertion and deletion of elements.
Examples include singly linked list, doubly linked list, and circular linked list.
Coding test regarding the tools and technologies
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