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3356. Zero Array Transformation II

3356. Zero Array Transformation IIDifficulty: MediumTopics: Array, Binary Search, Prefix SumYou are given an integer array nums of length n and a 2D array queries where queries[i] = [li, ri, vali].Eac...
13.03.2025 0 Read More

Invert Binary Tree in Java

Invert Binary Tree - A Step-by-Step Journey Binary trees are a fascinating data structure, and problems involving them often show up in coding interviews. Today, I’ll walk you through my so...
14.03.2025 0 Read More

2560. House Robber IV

2560. House Robber IVDifficulty: MediumTopics: Array, Binary SearchThere are several consecutive houses along a street, each of which has some money inside. There is also a robber, who wants to steal ...
15.03.2025 0 Read More

2594. Minimum Time to Repair Cars

2594. Minimum Time to Repair CarsDifficulty: MediumTopics: Array, Binary SearchYou are given an integer array ranks representing the ranks of some mechanics. ranksi is the rank of the ith mechanic. A ...
16.03.2025 0 Read More

Leetcode - 289. Game of Life

Cell State Mapping: Original State New State Transitional Value Meaning 1 (Alive) 0 (Dead) 2 Cell was alive but will die. 0 (Dead) 1 (Alive) 3 Cell was dead but will become alive...
17.03.2025 0 Read More

Leetcode - 383. Ransom Note

🚀 JavaScript Map (HashMap) Basics Definition: A Map stores key-value pairs and maintains insertion order. Key Types: Any (string, number, object, etc.). ✅ Common Methods ⛶...
17.03.2025 0 Read More
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