Sum of Subarray Ranges Explained | LeetCode 2104 | Monotonic Stack 🔥
Автор: Gopo workspace
Загружено: 2026-01-21
Просмотров: 4
In this video, we solve the popular DSA problem *Sum of Subarray Ranges*
(LeetCode 2104) step by step.
We start with the brute force approach and then optimize it using the
*Monotonic Stack technique* to achieve an *O(N) time complexity* solution.
🔥 This problem is very important for:
• Coding Interviews
• Stack-based DSA Problems
• FAANG / Product-based Companies
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📌 Topics Covered:
✔ What is Sum of Subarray Ranges?
✔ Brute Force Approach (Why it fails)
✔ Optimized Approach using Monotonic Stack
✔ Finding contribution of each element
✔ Dry Run with Example
✔ Final Optimized Code Explanation
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💡 Key Concept:
Sum of Subarray Ranges =
(Sum of Subarray Maximums) − (Sum of Subarray Minimums)
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🚀 Suitable For:
• DSA Beginners
• Intermediate Coders
• Interview Preparation
• LeetCode Practice
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🔔 If you find this video helpful:
👍 Like the video
💬 Comment your doubts
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📂 Problem Link:
LeetCode 2104 – Sum of Subarray Ranges
#DSA #LeetCode2104 #MonotonicStack #Stack #CodingInterview
#SumOfSubarrayRanges #DSAWithCode #InterviewPreparation
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