Nov 25, 2025 · 2 min read · Hey Coders, Today we are going to understand and solve the Boats to Save People problem from LeetCode. Problem: we are given an array consisting of people’s weights , limit (capacity of a boat)and asked to find the minimum number of boats required. C...
Join discussionNov 15, 2025 · 3 min read · 🌟 Introduction This is one of the cleanest interval-greedy problems on LeetCode. You’re given a list of horizontal balloon ranges on the x-axis. If you shoot an arrow at position x, it will burst every balloon whose interval contains x. Your goal is...
Join discussionOct 6, 2025 · 6 min read · Let’s be honest - most of us don’t need monsters under the bed anymore. We carry our own little villains right in our heads: greed, jealousy, and envy. They don’t scream, they don’t roar - they whisper. And before you know it, they’ve hijacked your p...
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Aug 20, 2025 · 2 min read · 🧠 Problem Container With Most Water You are given an integer array height of length n. There are n vertical lines drawn such that the two endpoints of the ith line are (i, 0) and (i, height[i]). Find two lines that together with the x-axis form a co...
Join discussionAug 1, 2025 · 1 min read · 🧠 Problem You are given two strings current and correct representing two 24-hour times. 24-hour times are formatted as "HH:MM", where HH is between 00 and 23, and MM is between 00 and 59. The earliest 24-hour time is 00:00, and the latest is 23:59. ...
Join discussionAug 1, 2025 · 1 min read · 🧠 Problem 🏷️ Tags array, greedy, prefix-sum 📊 Difficulty Medium ✅ Success Rate: 58.7%📥 Submissions: 2,054📈 Accepted: 1,206 ❤️ Reactions 👍 Likes: 30👎 Dislikes: 12 💡 Hints When should you use your armor ability? It is always optimal to use ...
Join discussionJul 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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Jul 13, 2025 · 2 min read · Problem Statement LeetCode 435. Non-overlapping Intervals Given an array of intervals intervals where intervals[i] = [starti, endi], return the minimum number of intervals you need to remove to make the rest of the intervals non-overlapping. Exampl...
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Jul 13, 2025 · 3 min read · Problem Overview LeetCode 316 Remove Duplicate Letters Remove duplicate letters from a string such that every letter appears exactly once, and the result is the lexicographically smallest possible string. Algorithm Breakdown Step 1: Track Last Occu...
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Jul 11, 2025 · 4 min read · Welcome to the chaotic elegance of Greedy Algorithms — where being selfish is sometimes exactly the right move We’ll break down: What greedy algorithms actually are When they work and (importantly) when they don’t Real-world examples + classic pro...
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