LeetCode Solutions

Explore detailed LeetCode solutions in Java, C++ / Cpp, and Python with step-by-step explanations. Each solution includes time and space complexity analysis to help you optimize your coding skills for interviews and competitive programming.

 

Explore detailed LeetCode solutions in Java, C++ / Cpp, and Python with step-by-step explanations. Each solution includes time and space complexity analysis to help you optimize your coding skills for interviews and competitive programming.

In addition to core solutions, this collection is designed to help you understand why a particular approach works, not just how to write the code. Problems are explained using clear logic, edge-case handling, and optimal data structures commonly expected in technical interviews.

The solutions cover a wide range of difficulty levels, including Easy, Medium, and Hard problems, with a strong focus on frequently asked interview questions from arrays, strings, linked lists, trees, graphs, dynamic programming, greedy algorithms, and recursion. Wherever applicable, multiple approaches are discussed to compare brute-force methods with optimized solutions.

Whether you are preparing for FAANG interviews, practicing for online coding contests, or strengthening your problem-solving fundamentals, these LeetCode solutions provide a structured and practical learning path. The content is regularly updated to align with the latest problem patterns and interview trends.

Sorted:

2420. Find All Good Indices LeetCode Solution 2419. Longest Subarray With Maximum Bitwise AND LeetCode Solution 2418. Sort the People LeetCode Solution 2416. Sum of Prefix Scores of Strings LeetCode Solution 2415. Reverse Odd Levels of Binary Tree LeetCode Solution 2414. Length of the Longest Alphabetical Continuous Substring LeetCode Solution 2413. Smallest Even Multiple LeetCode Solution 2412. Minimum Money Required Before Transactions LeetCode Solution 2411. Smallest Subarrays With Maximum Bitwise OR LeetCode Solution 2410. Maximum Matching of Players With Trainers LeetCode Solution 2409. Count Days Spent Together LeetCode Solution 2407. Longest Increasing Subsequence II LeetCode Solution 2406. Divide Intervals Into Minimum Number of Groups LeetCode Solution 2405. Optimal Partition of String LeetCode Solution 2404. Most Frequent Even Element LeetCode Solution 2402. Meeting Rooms III LeetCode Solution 2401. Longest Nice Subarray LeetCode Solution 2400. Number of Ways to Reach a Position After Exactly k Steps LeetCode Solution 2399. Check Distances Between Same Letters LeetCode Solution 2398. Maximum Number of Robots Within Budget LeetCode Solution 2397. Maximum Rows Covered by Columns LeetCode Solution 2396. Strictly Palindromic Number LeetCode Solution 2395. Find Subarrays With Equal Sum LeetCode Solution 2392. Build a Matrix With Conditions LeetCode Solution 2391. Minimum Amount of Time to Collect Garbage LeetCode Solution 2390. Removing Stars From a String LeetCode Solution 2389. Longest Subsequence With Limited Sum LeetCode Solution 2386. Find the K-Sum of an Array LeetCode Solution 2385. Amount of Time for Binary Tree to Be Infected LeetCode Solution 2384. Largest Palindromic Number LeetCode Solution