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Amazon Interview Experience | SDE-2

Round 1: Implement Find command in Linux. Asked to review a piece of code that was already written. Some behavioral questions Round 2: Assembly Line… Read More

Amazon

Algorithms

DSA

Experienced

Experiences

Interview Experiences

Maximum sum of non-overlapping subarrays of length atmost K

Given an integer array ‘arr’ of length N and an integer ‘k’, select some non-overlapping subarrays such that each sub-array if of length at most… Read More

subarray

subarray-sum

Arrays

DSA

Dynamic Programming

Recursion

Merge two BSTs with constant extra space

Given two Binary Search Trees(BST), print the elements of both BSTs in sorted form. Note: Both the BSTs will not have any common element. Examples: Input… Read More

Algorithms

Binary Search Tree

C++

C++ Programs

Data Structures

DSA

Recursion

Sorting

Numerosity Reduction in Data Mining

Prerequisite: Data preprocessing Why Data Reduction ? Data reduction process reduces the size of data and makes it suitable and feasible for analysis. In the… Read More

data mining

Computer Subject

Print elements of an array according to the order defined by another array | set 2

Given two arrays a1[] and a2[], print elements of a1 in such a way that the relative order among the elements will be the same… Read More

cpp-map

Arrays

DSA

Sorting

K Nearest Neighbors with Python | ML

K-Nearest Neighbors is one of the most basic yet essential classification algorithms in Machine Learning. It belongs to the supervised learning domain and finds intense… Read More

Machine Learning

Python

Largest sub-string where all the characters appear at least K times

Given a string str and an integer K, the task is to find the length of the longest sub-string S’ such that every character in… Read More

frequency-counting

substring

Algorithms

DSA

Searching

Strings

ML | Dempster Shafer Theory

Dempster-Shafer Theory was given by Arthur P. Dempster in 1967 and his student Glenn Shafer in 1976. This theory was released because of the following reason:- … Read More

AI-ML-DS With Python

AI-ML-DS

Machine Learning

Scrum (software development)

Scrum is the type of Agile framework. It is a framework within which people can address complex adaptive problem while productivity and creativity of delivering… Read More

Software Engineering

Implementing Agglomerative Clustering using Sklearn

Prerequisites: Agglomerative Clustering Agglomerative Clustering is one of the most common hierarchical clustering techniques. Dataset – Credit Card Dataset. Assumption: The clustering technique assumes that… Read More

Machine Learning

Python

Queries to find the first non-repeating character in the sub-string of a string

Given a string str, the task is to answer Q queries where every query consists of two integers L and R and we have to… Read More

frequency-counting

substring

DSA

Java Programs

Searching

Strings

30 minutes to machine learning

1. Downloading, Installing, and Starting Python SciPy Get the Python and SciPy platform installed on your system if it is not already. One can easily… Read More

Machine Learning

Python

Difference between Volume Testing and Load Testing

Volume Testing: Volume Testing is a type of software testing that is performed to test the performance or behavior of the system or application under… Read More

Software Testing

Difference Between

Software Engineering

Difference between PCM and DPCM

Pulse Code Modulation (PCM): PCM is the technique used for remodeling analog signal into digital signal. Pulse Code Modulation has good signal to noise ratio. For… Read More

Difference Between

Digital Logic

Heteroscedasticity in Regression Analysis

Prerequisite: Linear Regression In Simple Linear Regression or Multiple Linear Regression we make some basic assumptions on the error term . Simple Linear Regression: (1)… Read More

Machine Learning

Kotlin Inline Functions

In Kotlin, the higher-order functions or lambda expressions, all stored as an object so memory allocation, for both function objects and classes, and virtual calls… Read More

Kotlin Functions

Kotlin

Algorithms Quiz | Searching | Question 8

Consider a sorted array of n numbers and a number x. What would be the time complexity of the best known algorithm to find a… Read More

DSA Quiz

Amazon Interview Experience | SDE-2

Round 1: (Technical) – Given a building as a 2D matrix with three possible values at each cell: P for Person, W for Wall and… Read More

Amazon

Experienced

Experiences

Interview Experiences

ML | Kaggle Breast Cancer Wisconsin Diagnosis using Logistic Regression

Dataset : It is given by Kaggle from UCI Machine Learning Repository, in one of its challenge https://www.kaggle.com/uciml/breast-cancer-wisconsin-data. It is a dataset of Breast Cancer patients with… Read More

Machine Learning

Python

Maximum subset sum such that no two elements in set have same digit in them

Given an array of N elements. Find the subset of elements which has maximum sum such that no two elements in the subset has common… Read More

subset

Arrays

Bit Magic

DSA

Dynamic Programming