Feb 1 · 5 min read · When Data Has No Rules: A Recipe for Chaos Imagine trying to send a puzzle to a friend, but the pieces arrive in random order—or worse, some pieces never arrive at all. You'd end up with an incomplete, jumbled mess. This is exactly what happens when ...
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Nov 28, 2025 · 1 min read · Problem: https://www.geeksforgeeks.org/problems/max-sum-subarray-of-size-k5313/1 Code: class Solution: def maxSubarraySum(self, arr, k): # window_size = k window_sum=sum(arr[:k]) max_sum=window_sum #not zero as sums can be...
Join discussionNov 2, 2025 · 2 min read · You are given an array of integers arr[]. You have to reverse the given array. Note: Modify the array in place. Examples: Input: arr = [1, 4, 3, 2, 6, 5] Output: [5, 6, 2, 3, 4, 1] Explanation: The elements of the array are [1, 4, 3, 2, 6, 5]. After ...
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Oct 27, 2025 · 4 min read · A technical deep dive into how I engineered a real-time profile-scraper using Node.js, Express, Cheerio, and React — the foundation for a multi-platform competitive-programming dashboard. Introduction In the world of competitive programming, our pro...
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Oct 20, 2025 · 2 min read · Given an array arr[]. Your task is to find the minimum and maximum elements in the array. Examples: Input: arr[] = [1, 4, 3, -5, -4, 8, 6] Output: [-5, 8] Explanation: minimum and maximum elements of array are -5 and 8. Input: arr[] = [12, 3, 15, 7,...
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Sep 10, 2025 · 3 min read · In earlier posts, we covered network devices. Now let’s understand two fundamental techniques for data transfer in networks: Circuit Switching and Packet Switching. 🔹 Circuit Switching 📌 Key Points Works at the Physical Layer. Uses a dedicated p...
Join discussionSep 10, 2025 · 3 min read · Me: “Okay, GfG / LeetCode - next permutation. I need the next lexicographically larger arrangement of this array (in-place). How do I do it?”Brain: “Easy. There's a greedy trick - find a pivot, swap with the smallest bigger element on its right, then...
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