Скачать или смотреть Contains Duplicate II | LEETCODE | TOP INTERVIEW 150 | C++

In this video, we solve the Contains Duplicate II problem from LeetCode’s Top Interview 150 series using C++. We explain the approach, discuss time complexity, and implement the solution efficiently.

💡 Problem Statement:
Given an integer array nums and an integer k, return true if there are two distinct indices i and j in the array such that nums[i] == nums[j] and abs(i - j) ≤ k. Otherwise, return false.

📌 Topics Covered:
✅ Brute Force Approach 🚀
✅ Optimized Hash Map Solution (O(n) Time Complexity)
✅ Sliding Window Technique 📊

🔗 LeetCode Problem: Contains Duplicate II

📢 Don’t forget to LIKE, COMMENT, and SUBSCRIBE for more LeetCode solutions! 💻


#leetcode #cplusplustutorial #topinterviewquestions #programming #coding #cpp #softwareengineering #interviewpreparation #codinginterview #datastructures #algorithms #competitiveprogramming #developer