Sep 19, 2025 · 2 min read · In the recent few days the daily leetcode questions were from the topic of Priority Queue where we were needed to arrange elements in a particular order it may time, rating or let's day price why not With decent practice of Priority Queue, I tried to...
Join discussionSep 6, 2025 · 4 min read · If you’re a developer, you've probably worked with message queues. Systems like Kafka and RabbitMQ are the titans of the industry, and for good reason. They're amazing at what they do: taking a massive stream of messages and making sure they get deli...
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Aug 8, 2025 · 11 min read · Before diving into PriorityQueue, it’s important to first understand the concept of heaps in Java. Heap A heap is a special kind of tree structure used to store data. It follows a simple rule: in a max-heap, parents are always bigger than or equal to...
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Jul 24, 2025 · 4 min read · Series: Java Collections Framework | Part 2 – Queue Hello Devs! 👋Welcome to the second blog in my Java Collections Framework series. After exploring the Set interface, we’re now diving into the Queue interface, which is another essential part of the...
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Jul 18, 2025 · 6 min read · Problem Statement LeetCode 2163: Minimum Difference in Sums After Removal of Elements Difficulty: Hard Topics: Array, Dynamic Programming, Heap (Priority Queue) Date: 18 July 2025 You are given a 0-indexed integer array nums consisting of 3 * n el...
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May 18, 2025 · 4 min read · 🧭 Introduction Heaps are specialized binary trees that maintain a specific order, enabling fast access to the highest (or lowest) priority element. Heaps play a critical role in solving problems involving priority queues, scheduling, and streaming d...
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Mar 24, 2025 · 5 min read · There are many cases where maintaining a priority-based queue is essential. For instance, it may be required to rebalance a financial portfolio by reallocating assets with the highest deviation first. Another example is ranking updates when processin...
Join discussionMar 20, 2025 · 8 min read · “We use operating systems every day—on our laptops, phones, and even embedded devices. But with limited CPU and memory, how does a computer efficiently manage multiple tasks at once? The OS must decide which process runs first.” Imagine you’re gaming...
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Feb 26, 2025 · 2 min read · Thought for a second 優先佇列（Priority Queue）就像是一條排隊，但這條隊伍不是「先到先服務」，而是依照每個人（或每件事情）的「重要性」來決定誰先誰後。 用生活中的例子來理解 想像一下你和朋友們排隊等候滑水道，但其中有人拿到了 VIP 票。即使他們可能比其他人晚到，只要他們有 VIP 票，就可以直接插隊到前面。這樣，隊伍裡的順序就不是按照誰先到，而是按照誰的 VIP 等級（也就是「優先權」）來決定的。 在電腦中，我們用「優先佇列」這個資料結構來處理這種狀況。每個元...
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