Sep 19, 2025 · 1 min read · Q- Given an array of integers nums, return the value of the largest element in the array Examples: Input: nums = [3, 3, 6, 1] Output: 6 Explanation: The largest element in array is 6 Input: nums = [3, 3, 0, 99, -40] Output: 99 Explanation: The larges...
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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...
Join discussionAug 30, 2025 · 3 min read · "Given a sorted 2D matrix (each row and column is sorted), and a target number, determine if the number exists in the matrix." At first glance, it looked simple. But as always, the devil is in the details. Here’s how my thought process evolved. Step ...
Join discussionAug 30, 2025 · 4 min read · When I first stumbled upon the problem “Count how many numbers from 1 to M are divisible by any number from a given set of primes”, it looked deceptively simple. The statement in my head was straightforward: Input: a set of primes arr, and a number ...
Join discussionJul 22, 2025 · 8 min read · Buy Old Gmail Accounts Buy Old Gmail Accounts From Smmvendorusa because Old Gmail accounts can be valuable assets. They offer credibility and established presence. Buying these accounts can benefit businesses and individuals alike. But why are old Gm...
Join discussionJun 25, 2025 · 2 min read · What I Learned Today : How to detect if an array is sorted and rotated by counting the number of order breaks. The importance of checking both ascending and descending patterns to handle all rotation cases. Used edge comparisons (arr[n-1] vs arr[0]) ...
Join discussionJun 25, 2025 · 2 min read · Wrote a Java method to find the largest and second largest elements in an array. Handles edge cases like duplicates and single-element arrays. Learned: Using Integer.MIN_VALUE for comparisons Avoiding duplicate values when finding second largest S...
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Jun 23, 2025 · 1 min read · I was trying to solve some DSA problems today I solved total 5 problems 4 easy and 1 medium on GFG portal the medium the problem messed my brain.At first I thought it was easy but after trying to solve it felt like banging my head. I tried solve on m...
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