Leetcode Solutions Hub
Master Leetcode problems with our comprehensive solutions in Java, Python, and C++. Filter by difficulty, topic, or search by problem ID or title to find optimized code and detailed explanations for your coding interview preparation.
Showing 1 to 15 of 3516 Leetcode problems
Popular Leetcode Topics
- Array(1887)
- Backtracking(108)
- Biconnected Component(1)
- Binary Indexed Tree(42)
- Binary Search(304)
- Binary Search Tree(40)
- Binary Tree(176)
- Bit Manipulation(236)
- Bitmask(49)
- Brainteaser(17)
- Breadth-First Search(241)
- Bucket Sort(6)
- Combinatorics(53)
- Concurrency(9)
- Counting(159)
- Counting Sort(11)
- Data Stream(21)
- Database(302)
- Depth-First Search(316)
- Design(127)
- Divide and Conquer(47)
- Doubly-Linked List(13)
- Dynamic Programming(577)
- Enumeration(114)
- Eulerian Circuit(3)
- Game Theory(28)
- Geometry(40)
- Graph(159)
- Greedy(407)
- Hash Function(39)
- Hash Table(686)
- Heap (Priority Queue)(194)
- Interactive(23)
- Iterator(9)
- Line Sweep(6)
- Linked List(81)
- Math(572)
- Matrix(252)
- Memoization(42)
- Merge Sort(12)
- Minimum Spanning Tree(5)
- Monotonic Queue(18)
- Monotonic Stack(65)
- Number Theory(69)
- Ordered Set(71)
- Prefix Sum(200)
- Probability and Statistics(7)
- Queue(48)
- Quickselect(7)
- Radix Sort(3)
- Randomized(12)
- Recursion(47)
- Rejection Sampling(2)
- Reservoir Sampling(4)
- Rolling Hash(30)
- Segment Tree(61)
- Shell(4)
- Shortest Path(34)
- Simulation(177)
- Sliding Window(149)
- Sorting(446)
- Stack(166)
- String(782)
- String Matching(36)
- Strongly Connected Component(3)
- Suffix Array(7)
- Topological Sort(35)
- Tree(242)
- Trie(57)
- Two Pointers(217)
- Union Find(86)
Frequently Asked Questions
What are Leetcode solutions?
Leetcode solutions on DevExCode provide detailed explanations and optimized code in Java, Python, and C++ for Leetcode problems, helping you prepare for coding interviews.
How to filter Leetcode problems by difficulty?
Use the difficulty dropdown on this page to select Easy, Medium, or Hard problems, or search by problem ID or title to find specific Leetcode challenges.
Can I practice Leetcode problems on DevExCode?
Yes, DevExCode offers an interactive code editor for each Leetcode problem, allowing you to write, test, and run code in Java, Python, or C++ directly on the site.