FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
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38
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Hard
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2441. Largest Positive Integer That Exists With Its Negative
EasyArrayHash TableSorting
Watch Solutions74.9% acceptance
2446. Determine if Two Events Have Conflict
EasyArrayString
Watch Solutions53.1% acceptance
2451. Odd String Difference
EasyArrayHash TableString
Watch Solutions61.9% acceptance
2460. Apply Operations to an Array
EasyArraySimulationTwo Pointers
Watch Solutions74.7% acceptance
2465. Number of Distinct Averages
EasyArrayHash TableSorting
Watch Solutions58.9% acceptance
2475. Number of Unequal Triplets in Array
EasyArrayHash TableSorting
Watch Solutions73.3% acceptance
2480. Form a Chemical Bond
EasyDatabase
Watch Solutions77.0% acceptance
2485. Find the Pivot Integer
EasyMathPrefix Sum
Watch Solutions83.8% acceptance
2490. Circular Sentence
EasyString
Watch Solutions70.2% acceptance
2496. Maximum Value of a String in an Array
EasyArrayString
Watch Solutions74.2% acceptance
2504. Concatenate the Name and the Profession
EasyDatabase
Watch Solutions77.0% acceptance
2506. Count Pairs Of Similar Strings
EasyArrayBit ManipulationCounting
Watch Solutions73.7% acceptance
2515. Shortest Distance to Target String in a Circular Array
EasyArrayString
Watch Solutions65.1% acceptance
2520. Count the Digits That Divide a Number
EasyMath
Watch Solutions85.9% acceptance
2529. Maximum Count of Positive Integer and Negative Integer
EasyArrayBinary SearchCounting
Watch Solutions74.3% acceptance
2535. Difference Between Element Sum and Digit Sum of an Array
EasyArrayMath
Watch Solutions85.3% acceptance
2540. Minimum Common Value
EasyArrayBinary SearchHash Table
Watch Solutions60.9% acceptance
2549. Count Distinct Numbers on Board
EasyArrayHash TableMath
Watch Solutions61.7% acceptance
2553. Separate the Digits in an Array
EasyArraySimulation
Watch Solutions85.7% acceptance
2558. Take Gifts From the Richest Pile
EasyArrayHeap (Priority Queue)Simulation
Watch Solutions75.5% acceptance
2562. Find the Array Concatenation Value
EasyArraySimulationTwo Pointers
Watch Solutions71.9% acceptance
2570. Merge Two 2D Arrays by Summing Values
EasyArrayHash TableTwo Pointers
Watch Solutions81.7% acceptance
2574. Left and Right Sum Differences
EasyArrayPrefix Sum
Watch Solutions89.5% acceptance
2578. Split With Minimum Sum
EasyGreedyMathSorting
Watch Solutions73.4% acceptance
2582. Pass the Pillow
EasyMathSimulation
Watch Solutions56.8% acceptance
2586. Count the Number of Vowel Strings in Range
EasyArrayCountingString
Watch Solutions74.3% acceptance
2591. Distribute Money to Maximum Children
EasyGreedyMath
Watch Solutions20.5% acceptance
2600. K Items With the Maximum Sum
EasyGreedyMath
Watch Solutions60.2% acceptance
2605. Form Smallest Number From Two Digit Arrays
EasyArrayEnumerationHash Table
Watch Solutions55.1% acceptance
2609. Find the Longest Balanced Substring of a Binary String
EasyString
Watch Solutions46.6% acceptance
2619. Array Prototype Last
Easy
Watch Solutions74.0% acceptance
2620. Counter
Easy
Watch Solutions81.6% acceptance
2621. Sleep
Easy
Watch Solutions87.3% acceptance
2626. Array Reduce Transformation
Easy
Watch Solutions85.1% acceptance
2629. Function Composition
Easy
Watch Solutions86.7% acceptance
2634. Filter Elements from Array
Easy
Watch Solutions85.1% acceptance
2635. Apply Transform Over Each Element in Array
Easy
Watch Solutions86.0% acceptance
2643. Row With Maximum Ones
EasyArrayMatrix
Watch Solutions74.2% acceptance
Learn DSA with Video Solutions
Video solutions provide a visual, step-by-step approach to understanding Data Structures and Algorithms problems. Watching an expert walk through the thought process, from brute force to optimal solution, helps build the intuition needed for coding interviews.
How to Use Video Solutions Effectively
- Try the problem first: Spend at least 20-30 minutes attempting the problem before watching the video
- Pause and think: When the video mentions a key insight, pause and try to work through it yourself
- Code along: After understanding the approach, implement the solution on your own
- Review text solutions: Combine video walkthroughs with detailed text explanations for deeper understanding
Video Solutions by Difficulty
Start with Easy problems to build confidence and learn fundamental patterns. Progress to Medium problems where most interview questions fall. Hard problems help you prepare for the toughest interview rounds at top tech companies.