We have been asked to return the integer that has been repeated. There could only be one number that has been repeated and only once. In an array of length n+1, the elements are in the range [1, n]. They have specified that the original array shoul...
In today's fast-paced digital world, having an account with PayPal is essential for anyone looking to buy or sell goods and services online. PayPal is a widely used payment platform that allows users to securely transfer funds between accounts, make ...
Introduction: The Pretense to Become Cool I like to call myself a programmer — not quite a software developer yet. Why? Because I haven’t actually developed software... at least, not anything that someone would willingly use (without a little bribery...
Even though beginner languages like Python and JavaScript are becoming more popular, C++ is still a significant language in systems programming, game development, and embedded systems programming. It is too complex to study and difficult to understan...
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A Necessary Contrast Before we talk about Makefiles, it's important to understand the difference between compiled and interpreted languages: Interpreted languages (like Python or JavaScript) execute code line by line, without requiring a prior compi...
Our Journey Map (Topics): Getting Started: What is C++, Setting up, Your First Program The Basics: Variables, Data Types, Operators, Input/Output Controlling the Flow: Conditional Statements (if, else), Loops (for, while) Organizing Code: Functio...
💡 tl;dr - certain action is done by pre-processor before actual complilation of source code. The goal is to share: what is Preprocessor Directive in C & C++ and what are the different ways we use it. I’m writing this ‘blog’ today 2 February 2025 b...
The animals there were not ordinary creatures; they dreamed of a life where they could govern themselves, free from the farmer’s control. One crisp morning, Old Ben, the wise and elderly goat, gathered the animals under the sprawling oak tree. “Imagi...
![Find the Duplicate Number [287] from Leetcode](https://cdn.hashnode.com/res/hashnode/image/upload/v1750968815229/1d98efae-03d2-49ed-8e68-1c1f32e18f54.gif)
