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Coding Challenge Practice - Question 78
Problem Description The task is to find the intersection given two arrays. Solution Approach Since the arrays are not sorted and may contain duplicates, a fast...
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45. Jump Game II | LeetCode | Top Interview 150 | Coding Questions
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Day 64: Python Depth-First Search (DFS) on Tree, Stack-Based Iterative Traversal for Deep Exploration Without Recursion
Welcome to Day 64 of the 80DaysOfChallenges journey! This intermediate challenge implements Depth-First Search DFS on a tree structure using an iterative stack...
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Weekly Challenge: Average Progression
Weekly Challenge 351 Each week Mohammad S. Anwar sends out The Weekly Challengehttps://theweeklychallenge.org/, a chance for all of us to come up with solutions...
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Coding Challenge Practice - Question 77
Problem Description Implement a function that finds the integer that appears only once in an array where every other integer appears exactly twice. Solution Ex...
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55. Jump Game | LeetCode | Top Interview 150 | Coding Questions
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Day 63: Python Merge K Sorted Lists - O(n log k) Min-Heap Guide (LeetCode #23 Vibes)
Welcome to Day 63 of the 80DaysOfChallenges journey! This intermediate challenge tackles the powerhouse Merge K Sorted Lists problem LeetCode 23, where you fuse...
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Mind Goes Blank on LeetCode? Here's Your Escape Plan
Introduction You understand the problem but have zero idea how to start. That paralysis is fixable. This guide provides a concrete, step‑by‑step framework for...
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Array and String Manipulation Problems
Reverse an array using another array java class Main { public static void mainString args { int num = {10, 11, 12, 13, 14, 15, 16}; System.out.println'Original...
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OK, what’s going on with LinkedIn’s algo?
Women ran an experiment to see if LinkedIn's new algo was being sexist and thought they proved it. But there's more complexity involved, experts say....
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121. Best Time to Buy and Sell Stock | LeetCode | Top Interview 150 | Coding Questions
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3531. Count Covered Buildings
Problem Description You are given a positive integer n, representing an n × n city. You are also given a 2D array buildings, where buildingsi = x, y denotes a...