FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
36
With Videos
0
Easy
36
Medium
0
Hard
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Browse video solutions by difficulty level
2627. Debounce
Medium
Watch Solutions91.3% acceptance
2628. JSON Deep Equal
Medium
Watch Solutions38.8% acceptance
2631. Group By
Medium
Watch Solutions81.0% acceptance
2632. Curry
Medium
Watch Solutions89.2% acceptance
2633. Convert Object to JSON String
Medium
Watch Solutions77.4% acceptance
2636. Promise Pool
Medium
Watch Solutions79.8% acceptance
2637. Promise Time Limit
Medium
Watch Solutions82.0% acceptance
2640. Find the Score of All Prefixes of an Array
MediumArrayPrefix Sum
Watch Solutions72.9% acceptance
2641. Cousins in Binary Tree II
MediumBinary TreeBreadth-First SearchDepth-First Search
Watch Solutions75.8% acceptance
2645. Minimum Additions to Make Valid String
MediumDynamic ProgrammingGreedyStack
Watch Solutions51.0% acceptance
2649. Nested Array Generator
Medium
Watch Solutions79.3% acceptance
2654. Minimum Number of Operations to Make All Array Elements Equal to 1
MediumArrayMathNumber Theory
Watch Solutions54.7% acceptance
2657. Find the Prefix Common Array of Two Arrays
MediumArrayBit ManipulationHash Table
Watch Solutions88.3% acceptance
2658. Maximum Number of Fish in a Grid
MediumArrayBreadth-First SearchDepth-First Search
Watch Solutions70.5% acceptance
2661. First Completely Painted Row or Column
MediumArrayHash TableMatrix
Watch Solutions63.9% acceptance
2664. The Knight’s Tour
MediumArrayBacktrackingMatrix
Watch Solutions72.7% acceptance
2672. Number of Adjacent Elements With the Same Color
MediumArray
Watch Solutions59.8% acceptance
2676. Throttle
Medium
Watch Solutions82.9% acceptance
2680. Maximum OR
MediumArrayBit ManipulationGreedy
Watch Solutions43.5% acceptance
2683. Neighboring Bitwise XOR
MediumArrayBit Manipulation
Watch Solutions79.8% acceptance
2685. Count the Number of Complete Components
MediumBreadth-First SearchDepth-First SearchGraph
Watch Solutions80.8% acceptance
2686. Immediate Food Delivery III
MediumDatabase
Watch Solutions68.2% acceptance
2688. Find Active Users
MediumDatabase
Watch Solutions43.4% acceptance
2692. Make Object Immutable
Medium
Watch Solutions64.5% acceptance
2693. Call Function with Custom Context
Medium
Watch Solutions79.0% acceptance
2694. Event Emitter
Medium
Watch Solutions74.1% acceptance
2698. Find the Punishment Number of an Integer
MediumBacktrackingMath
Watch Solutions81.7% acceptance
2700. Differences Between Two Objects
Medium
Watch Solutions75.2% acceptance
2705. Compact Object
Medium
Watch Solutions65.8% acceptance
2707. Extra Characters in a String
MediumArrayDynamic ProgrammingHash Table
Watch Solutions57.4% acceptance
2708. Maximum Strength of a Group
MediumArrayBacktrackingBit Manipulation
Watch Solutions25.6% acceptance
2721. Execute Asynchronous Functions in Parallel
Medium
Watch Solutions76.0% acceptance
2722. Join Two Arrays by ID
Medium
Watch Solutions55.4% acceptance
2731. Movement of Robots
MediumArrayBrainteaserPrefix Sum
Watch Solutions28.1% acceptance
2734. Lexicographically Smallest String After Substring Operation
MediumGreedyString
Watch Solutions35.2% acceptance
2737. Find the Closest Marked Node
MediumArrayGraphHeap (Priority Queue)
Watch Solutions65.4% 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.