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Showing posts with the label Competitive Programming

Demystifying Algorithms: The Heart of Efficient Problem Solving

By Ashiq
 Title: Demystifying Algorithms: The Heart of Efficient Problem Solving Algorithms are the unsung heroes of the digital age. They power our smartphones, drive search engines, and make decisions in real-time. Whether you're a programmer, a data scientist, or simply curious about how things work in the world of technology, understanding algorithms is a fascinating and essential journey. In this comprehensive guide, we'll delve deep into the world of algorithms, breaking down what they are, how they work, and their everyday applications. By the end, you'll have a clear grasp of the role algorithms play in shaping our digital lives. What is an Algorithm? At its core, an algorithm is a step-by-step procedure or set of instructions for solving a specific problem or completing a particular task. Think of it as a recipe that tells you exactly how to prepare a dish. In the world of computers and technology, algorithms serve as the recipes that guide machines in performing tasks effi...
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Mastering the Fundamentals of C++ Programming

By Ashiq
**Title: Mastering the Fundamentals of C++ Programming** C++ is a powerful and versatile programming language that has stood the test of time. Whether you're a beginner venturing into the world of coding or an experienced developer looking to expand your skill set, understanding the fundamentals of C++ is a valuable investment in your programming journey. In this comprehensive guide, we'll explore the core concepts of C++, its syntax, and practical applications. By the end, you'll have a solid grasp of C++ programming essentials. **Why Learn C++?** Before we dive into the fundamentals, let's understand why C++ remains relevant and important: 1. **High Performance:** C++ is known for its efficiency and performance, making it an excellent choice for system-level programming, game development, and resource-intensive applications. 2. **Versatility:** C++ can be used for various applications, including desktop software, embedded systems, and game engines. It offers low-level...
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Python: Your Gateway to the World of Programming

By Ashiq
 **Python: Your Gateway to the World of Programming** Are you eager to embark on a programming journey but not sure where to begin? Look no further than Python, the versatile and beginner-friendly programming language that's taking the tech world by storm. In this comprehensive guide, we'll introduce you to Python, exploring its simplicity, power, and myriad applications. By the end of this journey, you'll understand why Python is the ideal starting point for beginners and experienced programmers alike. **Why Python?** Python's popularity has surged in recent years, and for good reason. Here's why Python is an excellent choice for beginners: 1. **Readability:** Python's syntax is clear and resembles the English language, making it easy for newcomers to understand and write code. 2. **Versatility:** Python can be used for web development, data analysis, artificial intelligence, scientific computing, automation, and more. It's a one-stop-shop for a wide range ...
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112. a^b-b^a - Codeforces || You are given natural numbers a and b. Find a^b-b^a. Codeforces

By Ashiq
  112. a^b-b^a https://codeforces.com/problemsets/acmsguru/problem/99999/112 time limit per test: 0.25 sec. memory limit per test: 4096 KB You are given natural numbers a and b. Find a^b-b^a.  Input Input contains numbers a and b (1≤a,b≤100). Output Write answer to output. Sample Input 2 3 Sample Output -1 Solution Code: C++ #include <iostream> #include <cmath> // solved the problem but not accepted with this code... // i got accepted with the python code. int main () { int a, b; std::cin >> a >> b; long long pa = pow (a, b); long long pb = pow (b, a); std::cout << pa - pb << std::endl; return 0 ; } Solution Code: Python 3 # Accepted a,b = map ( int , input ().split()) pa = pow (a,b) pb = pow (b,a) print (pa - pb)
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Solving A. How Much Does Daytona Cost? in C++

By Ashiq
A. How Much Does Daytona Cost? Problem - A - Codeforces - Codeforces Round 900 (Div. 3) Solving the Most Common Element Subsegment Problem in C++ Introduction: In the world of programming, problem-solving is a fundamental skill. It involves taking a complex task and breaking it down into smaller, manageable steps. In this blog post, we will dissect and solve a code problem that involves finding if a specific element exists in an array. The problem statement is as follows: Problem Statement: You are given an array of integers and an integer K. The task is to determine whether K exists in the given array. You will be provided with multiple test cases, each containing an array and a value of K. For each test case, you need to output "YES" if K is found in the array and "NO" otherwise. Solution: Let's break down the problem into steps and implement a solution in C++.Read the number of test cases (t) from input. Enter a loop that runs t times, one iteration for eac...
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Codeforces round #900 (Div.3) Editorial

By Ashiq
  Codeforces round #900 (Div.3) Editorial Thank you for participating in the first ever Serbian Div. 3 Codeforces round! Sorry Before the editorial, we are sorry for the big gap between problems C and D. This was the first round we ever created (except for  wxhtzdy ). We are striving to become better problem-setters and create more balanced problems-sets in the future. Also a massive thanks to  Vladosiya  for giving us a chance to create a divison 3 round! 1878A - How Much Does Daytona Cost? Problem was authored and prepared by Author:  wxhtzdy Prepared by:  ognjentesic ,  AndrewPav ,  AlphaMale06 Hints Hint 1 When is the answer definitely "NO"? Hint 2 What happens if there is no element equal to  k �  in the array? Hint 3 What happens if there is an element equal to  k �  in the array? Tutorial 1878A - How Much Does Daytona Cost? It's enough to check if there even exists the element equals to  K � , since  K �  ...
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Callback function in JavaScript

By Ashiq
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Callback function in JavaScript What is a callback function in JavaScript? A callback function is a function that is passed as an argument to another function and is executed after the first function has completed its task. Callback functions are useful for handling asynchronous events, such as network requests, file operations, or timers. For example, you can use a callback function to display the result of a calculation after the calculation is done. Callback function in JavaScript Here is a simple example of a callback function in JavaScript: // Define a function that takes a callback as an argument function sayHello (callback) { // Do some task console .log ("Hello, world!"); // Invoke the callback function callback (); } // Define another function function sayGoodbye () { // Do some task console .log ("Goodbye, world!"); } // Call the first function and pass the second function as a callback sayHello (sayGoodbye); // The output will be: // Hello, wo...
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Using Generic in TypeScript about types in the Code

By Ashiq
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# Using Generic in TypeScript about types \<T> in the Code ## Question 1: Here what is this <T> means? ```typescript const addID = <T>(obj: T) => {   let ID = Math.floor(Math.random() * 100);   return ({...obj, ID}); } ``` ## Answer 1: In the code snippet you've provided, `<T>` is a **generic type parameter** in TypeScript. It allows you to write a function that can work with any type of object while still maintaining that object's specific type information. When you use the function `addID`, you can pass in an object of any type, and TypeScript will understand that the returned object will be of the same type as the input, plus the additional `ID` property. Here's a breakdown of how it works: ```typescript const addID = <T>(obj: T) => {   let ID = Math.floor(Math.random() * 100);   return ({...obj, ID}); } ``` - `<T>`: Declares a generic type `T`. - `(obj: T)`: Indicates that the function takes an argument `obj` of type `T`....
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12 Best Websites to Practice Coding for Beginners

By Ashiq
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COURSES LOCATIONS CAREER SERVICES ABOUT US ENTERPRISE RESOURCES APPLY NOW 12 Best Websites to Practice Coding for Beginners Posted by Flatiron School  /  August 16, 2021 Facebook Twitter Email Share Learning to code has become one of the most essential skills for people entering the tech industry — but where do you start if you don’t already know how? There are plenty of places to practice coding for beginners, so find out the best and jump right in. READING TIME 6 MINS Indeed’s “ Best Jobs of 2020 ” ranked America’s most highly prized careers based on demand, pay, and potential for growth. Some of these included: software architect (1), full-stack developer (2), Java developer (6), data scientist (7), and IT security specialist (9). That means that of the top ten best jobs in America, half of them required coding skills. ‌ But, if you don’t have coding skills, where do you go to learn them? Some may turn to their local library, and others may have the time and money...
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