LeetCode 217 — Contains Duplicate | Best Hash Set Solution in C++ (Step-by-Step)
11:36
YouTubeRaushan kumar
LeetCode 217 — Contains Duplicate | Best Hash Set Solution in C++ (Step-by-Step)
In this video, I solve LeetCode 217 — Contains Duplicate using an optimized hashing approach in C++. The solution is explained step-by-step, starting from the brute force approach and moving toward the optimal Hash Set solution with proper complexity analysis and interview-oriented thinking. Topics Covered: • Arrays & Hashing • unordered ...
1 week ago
LeetCode Coding Challenges
LeetCode in 2026: Complete Beginner Roadmap + DSA Strategy
10:03
LeetCode in 2026: Complete Beginner Roadmap + DSA Strategy
YouTubeSaumya Singh
2K views1 week ago
100 Days of Coding Challenge Day 1 🚀 | LeetCode, Open Source, Freelancing & Internship
0:44
100 Days of Coding Challenge Day 1 🚀 | LeetCode, Open Source, Freelancing & Internship
YouTubeAyush Gautam
1.2K views2 weeks ago
LeetCode | Python | HHKB Type-S | 40 min real time | no talking | EP-48
40:54
LeetCode | Python | HHKB Type-S | 40 min real time | no talking | EP-48
YouTubemameeewin
39.4K views3 weeks ago
Top videos
LeetCode 217: Contains Duplicate | Java Solution Explained (SDET Interview Prep)
6:39
LeetCode 217: Contains Duplicate | Java Solution Explained (SDET Interview Prep)
YouTubeJava Programming
10 views2 months ago
LeetCode 217 🚀 Contains Duplicate | Optimal HashSet Solution (O(n)) 🔥
0:44
LeetCode 217 🚀 Contains Duplicate | Optimal HashSet Solution (O(n)) 🔥
YouTubeTechvanta
253 views1 month ago
Contains Duplicate (LeetCode 217) | Full solution with HashSet explanation | Study Algorithms
10:41
Contains Duplicate (LeetCode 217) | Full solution with HashSet explanation | Study Algorithms
YouTubeNikhil Lohia
35.5K viewsJun 26, 2022
LeetCode Solutions
70 Leetcode problems in 5+ hours (every data structure) (full tutorial)
5:27:20
70 Leetcode problems in 5+ hours (every data structure) (full tutorial)
YouTubestoney codes
1.5M viewsAug 31, 2024
The ULTIMATE LeetCode Guide | Smartest Way to Solve, Practice & Master Coding Interviews 🔥
13:50
The ULTIMATE LeetCode Guide | Smartest Way to Solve, Practice & Master Coding Interviews 🔥
YouTubePrince Singh
1.5K views6 months ago
How to Solve ANY LeetCode Problem (Step-by-Step)
12:37
How to Solve ANY LeetCode Problem (Step-by-Step)
YouTubeCodebagel
632.9K viewsMay 21, 2024
LeetCode 217: Contains Duplicate | Java Solution Explained (SDET Interview Prep)
6:39
LeetCode 217: Contains Duplicate | Java Solution Explained (SDET Interview Prep)
10 views2 months ago
YouTubeJava Programming
LeetCode 217 🚀 Contains Duplicate | Optimal HashSet Solution (O(n)) 🔥
0:44
LeetCode 217 🚀 Contains Duplicate | Optimal HashSet Solution (O(n)) 🔥
253 views1 month ago
YouTubeTechvanta
Contains Duplicate (LeetCode 217) | Full solution with HashSet explanation | Study Algorithms
10:41
Contains Duplicate (LeetCode 217) | Full solution with HashSet explanation | Study Algorithms
35.5K viewsJun 26, 2022
YouTubeNikhil Lohia
LeetCode 217: Contains Duplicate | Easy Solution Explained | Best Approach in C++ 🔥
1:55
LeetCode 217: Contains Duplicate | Easy Solution Explained | Best Approach in C++ 🔥
1 month ago
YouTubeansh patel
LeetCode 217 – Contains Duplicate | HashSet, Sorting, Brute Force
9:03
LeetCode 217 – Contains Duplicate | HashSet, Sorting, Brute Force
10 views3 months ago
YouTubeMonal Gupta
LeetCode 217 🚀 Contains Duplicate using HashSet #coding #dsa #computerscience #programming
1:05
LeetCode 217 🚀 Contains Duplicate using HashSet #coding #dsa #computerscience #programming
96 views2 months ago
YouTubeLets Crack IT
LeetCode 217 – Contains Duplicate Explained | Brute Force & Optimized Solution in C#
4:19
LeetCode 217 – Contains Duplicate Explained | Brute Force & Optimized Solution in C#
11 views3 months ago
YouTubeTechWorld with Mukesh
0:19
Contains Duplicate Sorting Solution: Leetcode 217
4 views2 weeks ago
YouTubePengu
4:10
Contains Duplicate - LeetCode 217 - Blind 75 Coding Interview Problem
2 views4 months ago
YouTubeCodeLucky
0:09
Contains Duplicate - Hash Set Approach Explained Visually | LeetCode 217 | AI/ML Interview Prep
142 views1 month ago
YouTubeRajan AIML
6:47
Contains Duplicate | LeetCode Problem 217 | Easy HashSet Solution Explained
16 views7 months ago
YouTubeDSA_with_baba
8:19
LeetCode 217: Contains Duplicate | 3 Solutions Explained (Brute Force → Optimal Set)
22 views1 month ago
YouTubeJamie Dawson
4:57
Contains Duplicate | LeetCode 217 | O(N) Solution
3 views4 months ago
YouTubeEazeDsa
1:41
⚡ LeetCode 217 – Contains Duplicate Solved in ONE LINE!!!
374 views2 months ago
YouTubeThoda coding kar leta hu
3:53
LeetCode 217 Solution in C++ | Contains Duplicate using unordered_set
14 views1 week ago
YouTubeParth Karetiya
0:44
LeetCode 217 | Contains Duplicate | Easy HashSet Approach | 1 Min DSA | coding | job | freshers #dsa
778 views1 week ago
YouTubeNo More Rejection
0:32
LeetCode 217 | Contains Duplicate | Brute Force Approach Explained
282 views1 month ago
YouTubeTechvanta
12:42
LeetCode 217 (C++) | Interview-Style Thinking Aloud
1 views3 months ago
YouTubeSamir
9:03
LeetCode 217 🚀 Contains Duplicates | 3 Easy & Optimal Solutions (Java | Python | C++)
27 views1 month ago
YouTubeJust Coding - Tamil
4:13
Contains Duplicate - HashSet - Leetcode 217 - C#
23 views2 months ago
YouTubeShadow
10:03
LeetCode #217: Contains Duplicate | 4 Approaches Explained (Brute → Optimal) | Day 1
30 views3 weeks ago
YouTubeLeetHabit
9:58
Contains Duplicate | Blind 75 | LeetCode #217 | Optimized Hashing Solution
16 views2 months ago
YouTubeKRIS SHARMA
0:34
LeetCode Problem #217 – Contains Duplicate using JavaScript.
862 views3 months ago
YouTubeWebTecho
1:50
Contains Duplicate - Leetcode 217 - Hashmaps & Sets (Python)
18.9K viewsDec 13, 2023
YouTubeGreg Hogg
8:16
Contains Duplicate LeetCode 217 | Python/Java/C++ (Logic Explained)
1 views4 months ago
YouTubeLearn With Abhinay
31:58
Contains Duplicate (LeetCode 217) | Optimal O(n) Python Solution using Hash Sets
1 views6 months ago
YouTubeProfessor Hub
5:51
Day 5 | Contains Duplicate | HashSet Approach | LeetCode 217 | Code With Khush
66 views4 months ago
YouTubecodewithkhush
4:50
LeetCode 217 | Contains Duplicate | Easy Interview Question Explained
53 views4 months ago
YouTubeInfo Techiezz
2:34
Contains Duplicate LeetCode 217 | Python
15 views4 months ago
YouTubeBunnyWrites
See more