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Problem Link: https://codeforces.com/problemset/problem/1666/L This Problem has various ways to solve but today I am going to talk about the ways which help you understand the important technique which will help you in various graph problems. In thi...
We have Two arrays ans[0,1,----(n-1)] and rem[0,1,----(n-1)]. We have to find minimum value of x such that x%ans[0] = rem[0], x%ans[1] = rem[1], and so on. Chinese Remainder Theorem states that there always exist x which satisfy the given congruenc...
The major approach to finding the prime number is running the loop from 2 to n and check whether it divides the number or not. The complexity of that solution is O(n). In this article, We will be discussing how to find the prime number in O(sqrt(n))c...
In this equation, we make an equation in terms of x and y and we input a,b, and c in which a is the coefficient of x, b is the coefficient of y and c is a term that is equal to it ax+by = c This helps us to determine whether there is any possible so...
NPM stands for the Node Package Manager. It is responsible for handling the dependencies required for the node. It helps to install modules/packages on your system. Installation You should have node.js installed in your system. Npm is pre-installed ...
Ajax is a Web development technique which helps to create the asynchronous web application. It is mainly use to send and retrieve data from the server asynchronously without interfering with the display of the page. In this Article, we will learn how...
Async Js is a function in the js that returns the promises and awaits other promises which makes it look synchronous. First I will talk about callbacks. what are callbacks To explain callback, Here I have made two functions: getPost and createPost. c...