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ICPC Dhaka Regional Preliminary Contest #Editorials 2022 Hosted By Green University of Bangladesh

By Ashiq
  ICPC Dhaka Regional Preliminary Contest 2022 Hosted By Green University of Bangladesh Problem A: A Game with Grandma Setter: Shafaet Ashraf Tester & Alter writers: Nafis Sadique Aleksa Plavsic Arghya Pal Problem type: Game Theory, DP Solution idea: If you're familiar with Grundy Numbers, you can use the divide and conquer technique to solve it. To do this, loop through the columns of the grid and place a box in all possible positions. Whenever a box is placed, it divides the whole grid into two parts. Solve each sub-problem recursively by calculating the Grundy number. The base case is when the grid size is less than 1. This solution has a time complexity of O(N^3) and will pass the time limit. Problem B: Transform the Array Setter: Raihat Zaman Neloy Tester & Alter writers: Md. Mahbubul Hasan H. M. Ashiqul Islam Muhiminul Islam Osim Problem type: Number theory, finding prime divisors Solution idea: For the first type of transformation - Let's find two sets of primes ...
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Programming Strategy 1

By Ashiq
  New programmers often try to write an entire program all at once, and then get overwhelmed when it produces a lot of errors. A better strategy is to add one piece at a time, make sure it compiles, and test it. Then when you’re sure it’s working, move on to the next piece.
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Join the global community of passionate Crowdsource

By Ashiq
  Join the global community of passionate Crowdsource users! Why it matters? Artificial Intelligence (AI) powers some of the most magical experiences in your favorite apps and products. It helps organize your photos, understand your voice commands, show you the most relevant reviews for products and businesses, and much more! AI learns these skills by studying vast numbers of examples. The more examples it has for your language, region, or culture, the better it gets for you and everybody in your community. Diversity in AI You bring your own unique background, experiences, and perspectives to Crowdsource. As a member of our global community of contributors, you're helping to create AI that can best serve the rich and varied diversities of our planet! Your Crowdsource contributions improve Google Translate, Maps, Photos, Assistant, and more! Answer simple questions, earn badges and level up Connect with contributors around the world Improve Google products for everyone Small actions...
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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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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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Codeforces Round #822 (Div.2) Editorial

By Ashiq
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  Codeforces Round #822 (Div.2) Editorial Thank you for your participation! 1734A — Select Three Sticks We first sort the array  a a  in non-decreasing order. Denote the indices of the elements that we choose from  a a  to be  x x ,  y y , and  z z , where  1 ≤ x < y < z ≤ n 1 ≤ x < y < z ≤ n , and the final value (after performing the operations) of the concerned elements to be  v v . The minimum required number of operations is then  | a x − v | + | a y − v | + | a z − v | | a x − v | + | a y − v | + | a z − v | . It is well-known that such expression attains its minimum value when  v v  is the median of  a x a x ,  a y a y , and  a z a z . Since the array  a a  has already been sorted, it is best to assign  v v  to be  a y a y . Our expression then becomes  | a x − a y | + | a y − a y | + | a z − a y | = ( a y − a x ) + 0 + ( a z − a y ) = a z − a x | a x − a y | ...
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