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Count Knights that can attack a given pawn in an N * N board

Given a 2D array knights[][] of size N * 2, with each row of the form { X, Y } representing the coordinates of knights,… Read More

chessboard-problems

Maths

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Arrays

C++

DSA

Greedy

Mathematical

Technical Scripter

Find the winner of game of removing array elements having GCD equal to 1

Given an array arr[] of size N, the task is to find the winner of the game when two players play the game optimally as… Read More

divisibility

HCF

prime-factor

Arrays

DSA

Game Theory

Greedy

Mathematical

FICO Interview Experience for Internship + FTE (On-Campus)

Recently FICO visited our University for various roles (Internship + PPO) SDE Cybersecurity DevOps AWS Technical Publications System Monitoring Software Quality Assurance It was a… Read More

FICO

On-Campus

Experiences

Internship

Interview Experiences

How to deploy Node.js app on Heroku from GitHub ?

In this article, we will be looking at how to deploy your Demo Node.js app to Heroku. At the end of this article, we will… Read More

GitHub

Heroku Cloud

Node.js-Misc

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Git

Node.js

Technical Scripter

Web Technologies

Class 9 NCERT Solutions- Chapter 4 Linear Equations in two variables – Exercise 4.4

Note: Please note that Exercise 4.4 from Chapter 4 , “Linear Equations in two variables,” in the NCERT Solutions, has been removed from the revised syllabus.… Read More

NCERT Solutions Class-9

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Class 9

Mathematics

NCERT

School Learning

Technical Scripter

Class 12 RD Sharma Solutions- Chapter 4 Inverse Trigonometric Functions – Exercise 4.1

Question 1. Find the principal value of each of the following : (i) Sin-1(- √3/2) (ii) Sin-1(cos 2π/3) (iii)Sin-1(-√3 – 1/2√2) (iv) Sin-1(√3 + 1/2√2) (v) Sin-1(cos… Read More

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RD Sharma Class-12

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Class 12

Mathematics

RD Sharma Solutions

School Learning

Technical Scripter

Cascading of Input/Output Operators in C++

Prerequisite: Operator Overloading in C++, Types of Operator Overloading When an object calls an operator function by passing an argument and the returned value of… Read More

C++-Operator Overloading

C-Operators

cpp-operator

cpp-operator-overloading

Operator Overloading

Operators

C++

C++ Programs

Difference between an array and a tree

Array:An array is a collection of homogeneous(same type) data items stored in contiguous memory locations. For example, if an array is of type “int”, it… Read More

Arrays

Data Structures

Difference Between

DSA

Tree

Advantages and Disadvantages of Linked List

There are many data structures like arrays, linked lists, etc. Each sort of arrangement has its strengths and weaknesses. For these reasons, it’s important to… Read More

Linked Lists

Data Structures

DSA

Linked List

Number guessing game in C

Given an integer N. A number guessing game is a simple guessing game where a user is supposed to guess a number between 0 and… Read More

Numbers

Technical Scripter 2020

C Language

C Programs

DSA

Randomized

Technical Scripter

Mean, Median and Mode

Mean, Median, and Mode are measures of the central tendency. These values are used to define the various parameters of the given data set. The… Read More

Math-Statistics

Maths-Class-9

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Class 9

Mathematics

School Learning

Technical Scripter

Java Program to Count Number of Digits in a String

The string is a sequence of characters. In java, objects of String are immutable. Immutable means that once an object is created, it’s content can’t… Read More

Java-String-Programs

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Java

Java Programs

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Sorting Custom Object by Implementing Comparable Interface in Java

Java provides two interfaces to sort objects using data members of the class which are Comparable and Comparator. In this article, we will focus on… Read More

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Technical Scripter 2020

Java

Java Programs

Technical Scripter

How to Use PreparedStatement in Java?

A PreparedStatement is a pre-compiled SQL statement. It is a subinterface of Statement. Prepared Statement objects have some useful additional features than Statement objects. Instead… Read More

JDBC

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Java

Java Program to Rotate Elements of the List

List is an ordered collection of objects in which duplicate values can be stored. Since List preserves the insertion order, it allows positional access and… Read More

java-list

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Java

Java Programs

How to Synchronize HashMap in Java?

HashMap is part of the Collection’s framework of java. It stores the data in the form of key-value pairs. These values of the HashMap can… Read More

Java-HashMap

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Java

Java Programs

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How to Sort an ArrayList of Objects by Property in Java?

ArrayList in Java (equivalent to vector in C++) having a dynamic size. It can be shrinked or expanded based on size. ArrayList is a part… Read More

Java-ArrayList

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Java

Java Programs

Write HashMap to a Text File in Java

The HashMap class in Java implements the Serializable interface so that its objects can be written or serialized to a file using the ObjectOutputStream. However,… Read More

Java-HashMap

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Java

Java Programs

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Different Ways to Achieve Pass By Reference in Java

There are two types of parameters one is Formal parameters and the second is Actual Parameters. Formal parameters are those parameters that are defined during… Read More

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Technical Scripter 2020

Java

Technical Scripter

Finding Maximum Element of Java ArrayList

For finding the maximum element in the ArrayList, complete traversal of the ArrayList is required. There is an inbuilt function in the ArrayList class to… Read More

Java-ArrayList

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Java

Java Programs

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