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Puzzle | 100 wrong statements

Puzzle: There are 100 men in a village. One day they gather at a place and started making statements. 1st man said: "At least 1… Read More

Aptitude-Puzzles

Logical Puzzles

Puzzles

Misc

Puzzles

Imposter Syndrome In Software Developers: Am I A Fake Developer?

Have you heard Imposter Syndrome before ?? Yes or No whatever your answer is…if you are a developer we are going to make you remember… Read More

GBlog

Calculate the Sum of GCD over all subarrays

Given an array of integers, the task is to calculate the sum of GCD of all the subarrays of an array. GCD of an array… Read More

GCD-LCM

Segment-Tree

subarray

subarray-sum

Advanced Data Structure

Arrays

Competitive Programming

DSA

Searching

Informatica Campus Hiring | 2020 Batch (Internship + FT)

Profile: Associate Software Developer R&D Department, Bangalore College: Nirma University Date: 7th October. Round 1: Online MCQ Test (Elimination) 30 MCQs – 45 minutes 57… Read More

Informatica

On-Campus

Experiences

Interview Experiences

Difference between Database System and Data Warehouse

Database System: Database System is used in traditional way of storing and retrieving data. The major task of database system is to perform query processing.… Read More

data mining

DBMS

Difference Between

ImageField – Django forms

ImageField in Django Forms is a input field for upload of image files. The default widget for this input is ClearableFileInput. It normalizes to: An… Read More

Django-forms

Python Django

Python

Transportation Problem | Set 6 (MODI Method – UV Method)

There are two phases to solve the transportation problem. In the first phase, the initial basic feasible solution has to be found and the second… Read More

DSA

Mathematical

Multiplication on Array : Range update query in O(1)

Consider an array A[] of integers and the following two types of queries. update(l, r, x): multiply x to all values from A[l] to A[r]… Read More

array-range-queries

Advanced Data Structure

Analysis of Algorithms

Arrays

DSA

Mathematical

Longest Increasing Subsequence using BIT

Given an array arr, the task is to find the length of The Longest Increasing Sequence using Binary Indexed Tree (BIT) Examples: Input: arr =… Read More

BIT

subsequence

Technical Scripter 2019

Algorithms

Arrays

C++

Competitive Programming

DSA

Technical Scripter

Minimum cost to reverse edges such that there is path between every pair of nodes

Given a connected, directional graph. Each node is connected to exactly two other nodes. There is a weight associated with each edge denoting the cost… Read More

direct

Algorithms

Arrays

DSA

Graph

Amazon Interview Experience | SDE-Intern

Status: Fresher, B.Tech CS[2020 Batch] Round 1: Online Test [Two sections] [90 minutes] Section A: This section was having 2 programming question. Level of difficulty was… Read More

Amazon

Experiences

Internship

Interview Experiences

Minimum inversions required so that no two adjacent elements are same

Given a binary array arr[] of size N. The task is to find the minimum number of inversions required so that no two adjacent elements… Read More

Constructive Algorithms

Arrays

DSA

Mathematical

IBS Interview Experience

IBS Software is an IT company based out of Kerala, India mainly focusing on travel and logistics. The pay grade for freshers is around the… Read More

IBS

Experiences

Interview Experiences

Protected Keyword in Java with Examples

Access modifiers in Java help to restrict the scope of a class, constructor, variable, method, or data member. There are four types of access modifiers… Read More

access modifiers

Java-keyword

Java

Python – Get Nth word in given String

Sometimes, while working with data, we can have a problem in which we need to get the Nth word of a String. This kind of… Read More

Python string-programs

Python

Python Programs

Maximum possible GCD after replacing at most one element in the given array

Given an array arr[] of size N > 1. The task is to find the maximum possible GCD of the array by replacing at most… Read More

GCD-LCM

Arrays

DSA

Dynamic Programming

Mathematical

ostream::seekp(pos) method in C++ with Examples

The seekp(pos) method of ostream in C++ is used to set the position of the pointer in the output sequence with the specified position. This… Read More

CPP-Functions

C++

Default Methods in C++ with Examples

If we write a class that has no methods in it, and the class does not inherit from another class, the compiler will add six… Read More

CPP-Basics

C++

Sum of products of all possible K size subsets of the given array

Given an array arr[] of N non-negative integers and an integer 1 ? K ? N. The task is to find the sum of the… Read More

subset

C++

DSA

Dynamic Programming

Find the subsequence with given sum in a superincreasing sequence

A sequence of positive real numbers S1, S2, S3, …, SN is called a superincreasing sequence if every element of the sequence is greater than… Read More

subsequence

Arrays

DSA

Greedy