DSA Unlocked - Invidious

DSA Unlocked

This channel is dedicated to solving Data Structures and Algorithms problems from platforms like LeetCode, HackerRank, GeeksforGeeks, and Codeforces. Here, you’ll find clean, optimized, and easy-to-understand solutions with step-by-step explanations focused on building strong problem-solving skills.

The channel mainly uses Java, along with Python and JavaScript, making it useful for beginners as well as those preparing for coding interviews and placements. Regular practice problems, interview-oriented questions, and clear logic explanations are shared to help you learn consistently and improve with confidence.

On this channel, I solve Data Structures & Algorithms and Programming Problems from top platforms like:
✅ LeetCode
✅ HackerRank
✅ GeeksforGeeks
✅ Codeforces

💻 Languages Covered:
Java (Primary)
Python
JavaScript

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3:50

GFG POTD Union of Two Arrays with Duplicates | Java Solution | HashSet Approach #coding #java

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Shared 5 hours ago

3 views

3:08

GFG POTD H-Index Problem Explained | Python Solution 🔥 #dailychallenge #coding

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Shared 2 days ago

5 views

3:32

LEETCODE 762 Prime Number of Set Bits | Easy Bit Manipulation 🔥 #dailycoding #potd

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Shared 2 days ago

3 views

8:01

GFG POTD Form the Largest Number | Greedy + Custom Sorting | Python #coding #dailychallenge

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Shared 3 days ago

11 views

5:18

LEETCODE POTD 761 Special Binary String 🔥 Hard Problem In Python #coding #dailychallenge

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Shared 3 days ago

8 views

2:52

GFG POTD Missing Elements in Range | POTD #python #coding #dailychallenge

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Shared 4 days ago

11 views

3:13

LEETCODE POTD 696 Count Binary Substrings | O(n) Solution #java #dailychallenge

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Shared 4 days ago

3 views

8:53

GFG POTD Count Inversions in Array | Merge Sort Explained | Python #dailychallenge #coding

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Shared 5 days ago

32 views

1:20

LEETCODE POTD 693 | Binary Number with Alternating Bits | Java Solution 🔥 #dailychallenge #coding

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Shared 5 days ago

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4:29

LEETCODE POTD Binary Watch Solution | JAVA | #dailychallenge #problemoftheday

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Shared 5 days ago

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3:01

GFG POTD Meetings Rooms | Python #coding #challenge #python

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Shared 1 week ago

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3:01

LEETCODE 190 Reverse Bits | Easy Bit Manipulation | JAVA #problemoftheday #dailychallenge

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Shared 1 week ago

8 views

4:29

GFG POTD Chocolate Distribution Problem | Greedy Algorithm Explained | #python #dailychallenge

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Shared 1 week ago

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5:51

LEETCODE 67 Add Binary Problem | Best Approach + Code | DSA Practice #problemoftheday #coding

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Shared 1 week ago

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5:20

GFG Solution | Painter’s Partition Problem II | Binary Search on Answer 🔍 #codingchallenge #potd

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Shared 1 week ago

32 views

5:20

LeetCode 799 | Champagne Tower | DP Simulation Explained 🔥 #dailychallenge

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Shared 1 week ago

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5:39

GFG Hard Problem | All Numbers With Specific Difference | Python 🔥#dailychallenge #potd

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Shared 1 week ago

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13:49

LEETCODE POTD 3714 | Longest Balanced Substring II 🔥 | Python #coding #challenge

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Shared 1 week ago

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8:44

GFG POTD Hard | Max Min Height | Binary Search + Difference Array #codingchallenge #problemoftheday

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Shared 1 week ago

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5:40

LEETCODE POTD 3713 | Longest Balanced Substring I | Python Solution #codingchallenge

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Shared 1 week ago

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22:38

LeetCode 3721 | Longest Balanced Subarray II 🔥 Hard Problem | Sliding Window + Hashing #potd

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Shared 1 week ago

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4:39

GFG POTD | Koko Eating Bananas | Binary Search Explained | Python code #coding #problemoftheday

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Shared 1 week ago

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4:54

LEETCODE POTD | 3719 Longest Balanced Subarray 🔥 | Python | #codingchallenge #coding

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Shared 1 week ago

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4:52

GFG POTD | Find Kth Rotation 🔄 | Sorted Rotated Array | Python #coding #codingchallenge

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Shared 2 weeks ago

25 views

4:24

LeetCode POTD 1382 | Balance a Binary Search Tree 🔥 | #python #coding #codingproblems

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Shared 2 weeks ago

28 views

7:56

GFG POTD | Maximum Product Subarray 🔥 | Python #problemoftheday #pythonprogramming #coding

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Shared 2 weeks ago

9 views

3:39

LeetCode POTD 110 | Balanced Binary Tree Explained 🔥 O(N) Solution #codingchallenge

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Shared 2 weeks ago

7 views

5:27

GFG POTD | Max sum in the configuration | Python | #problemoftheday

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Shared 2 weeks ago

24 views

4:43

LEETCODE POTD 1653 | Minimum Deletions to Make String Balanced | #problemoftheday

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Shared 2 weeks ago

17 views

8:12

GFG POTD | Happiest Triplet Problem 🔥 | Minimum Difference Triplet | Python DSA #problemoftheday

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Shared 2 weeks ago

32 views

2:05

LeetCode POTD | 3634. Minimum Removals to Balance Array | Python Binary Search #problemoftheday

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Shared 2 weeks ago

8 views

3:31

GFG POTD | Maximize Number of 1’s | Interview Must | JAVA | #problemoftheday #java

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Shared 2 weeks ago

31 views

1:34

LeetCode POTD 3379 | Transformed Array 🔄 | Circular Array #problemoftheday

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Shared 2 weeks ago

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1:40

GFG POTD | Last Moment Before All Ants Fall Out | Python | #problemoftheday #gfg

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Shared 2 weeks ago

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12:30

LEETCODE POTD 3640 | Trionic Array II (HARD) | One Pass Python Solution #problemoftheday

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Shared 2 weeks ago

30 views

3:54

LEETCODE POTD | 3637 Trionic Array I | PYTHON | #problemoftheday

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Shared 2 weeks ago

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5:57

GFG POTD | Max Circular Subarray Sum | Kadane’s Algorithm Explained #problemoftheday #javascript

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Shared 3 weeks ago

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10:40

LEETCODE POTD 3013 | Divide an Array Into Subarrays With Minimum Cost II | Hard Explained |

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Shared 3 weeks ago

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4:52

✅ K Sized Subarray Maximum | GFG POTD | Sliding Window + Deque (O(N)) Python | #problemoftheday

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Shared 3 weeks ago

16 views

2:37

LeetCode 3010 | Divide an Array Into Subarrays | Easy Greedy Trick | POTD | Java | #problemoftheday

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Shared 3 weeks ago

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13:16

GFG POTD | Implement K Queues in a Single Array | Hard DSA Problem | PYTHON | #problemoftheday

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Shared 3 weeks ago

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5:10

LeetCode 744 POTD | Find Smallest Letter Greater Than Target | Binary Search #problemoftheday

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Shared 3 weeks ago

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2:48

GFG -Interleave First Half of Queue | GFG Medium | Queue Interview Question (Java) #problemoftheday

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Shared 3 weeks ago

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28:24

LEETCODE 2977 Explained 🔥 Trie + Floyd Warshall + DP | Hard Problem | #problemoftheday | 30/01/2026

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Shared 3 weeks ago

19 views

10:21

🔥 LeetCode POTD | Minimum Cost to Convert String | JavaScript | Optimal Solution | #problemoftheday

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Shared 3 weeks ago

6 views

8:58

GFG | POTD | Stream First Non-repeating | JAVA | #problemoftheday #coding

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Shared 3 weeks ago

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21:59

LEETCODE - 3651 Minimum Cost Path with Teleportations | POTD | 28/01/2026 | JAVA | #problemoftheday

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Shared 3 weeks ago

64 views

5:59

GFG | POTD | Count Subset With Target Sum II | Python | #problemoftheday #coding

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Shared 3 weeks ago

43 views

1:12

Hackerrank | Java(basic) The Adder Class | JAVA | #certificate #certification

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Shared 3 weeks ago

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4:33

Leetcode - 3650. Minimum Cost Path with Edge Reversals #problemoftheday

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Shared 3 weeks ago

15 views

4:13

Leetcode - 1200. Minimum Absolute Difference #problemoftheday

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Shared 4 weeks ago

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0:17

LEETCODE || 1984. Minimum Difference Between Highest and Lowest of K Scores || POTD

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Shared 4 weeks ago

11 views

3:21

Bit Set | CodingNinjas | POTD | DSA in Java

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Shared 4 weeks ago

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2:22

leetcode - 1984. Minimum Difference Between Highest and Lowest of K Scores #problemoftheday

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Shared 4 weeks ago

11 views

2:51

Leetcode - 1877. Minimize Maximum Pair Sum in Array (Javascript) #problemoftheday

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Shared 4 weeks ago

4 views

3:21

LEETCODE - 3315. Construct the Minimum Bitwise Array II #problemoftheday

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Shared 1 month ago

14 views

4:18

LEETCODE- 3314. Construct the Minimum Bitwise Array I #problemoftheday

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Shared 1 month ago

9 views

5:53

GeeksforGeeks - K Sized Subarray Maximum #problemoftheday

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Shared 1 month ago

6 views

3:45

Leetcode 1266. Minimum Time Visiting All Points ( JAVA ) #problemoftheday

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Shared 1 month ago

10 views

9:44

Leetcode 712. Minimum ASCII Delete Sum for Two Strings (JavaScript) #problemoftheday

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Shared 1 month ago

8 views