FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
39
With Videos
18
Easy
17
Medium
4
Hard
2651. Calculate Delayed Arrival Time
EasyMath
Watch Solutions75.6% acceptance
2652. Sum Multiples
EasyMath
Watch Solutions85.9% acceptance
2654. Minimum Number of Operations to Make All Array Elements Equal to 1
MediumArrayMathNumber Theory
Watch Solutions54.7% acceptance
2656. Maximum Sum With Exactly K Elements
EasyArrayGreedy
Watch Solutions80.6% 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
2659. Make Array Empty
HardArrayBinary Indexed TreeBinary Search
Watch Solutions26.8% acceptance
2660. Determine the Winner of a Bowling Game
EasyArraySimulation
Watch Solutions37.9% acceptance
2661. First Completely Painted Row or Column
MediumArrayHash TableMatrix
Watch Solutions63.9% acceptance
2664. The Knight’s Tour
MediumArrayBacktrackingMatrix
Watch Solutions72.7% acceptance
2665. Counter II
Easy
Watch Solutions80.5% acceptance
2666. Allow One Function Call
Easy
Watch Solutions86.6% acceptance
2667. Create Hello World Function
Easy
Watch Solutions81.6% acceptance
2668. Find Latest Salaries
EasyDatabase
Watch Solutions73.4% acceptance
2669. Count Artist Occurrences On Spotify Ranking List
EasyDatabase
Watch Solutions73.3% acceptance
2670. Find the Distinct Difference Array
EasyArrayHash Table
Watch Solutions77.1% acceptance
2672. Number of Adjacent Elements With the Same Color
MediumArray
Watch Solutions59.8% acceptance
2675. Array of Objects to Matrix
Hard
Watch Solutions68.4% acceptance
2676. Throttle
Medium
Watch Solutions82.9% acceptance
2677. Chunk Array
Easy
Watch Solutions83.8% acceptance
2678. Number of Senior Citizens
EasyArrayString
Watch Solutions81.5% 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
2687. Bikes Last Time Used
EasyDatabase
Watch Solutions80.6% acceptance
2688. Find Active Users
MediumDatabase
Watch Solutions43.4% acceptance
2689. Extract Kth Character From The Rope Tree
EasyBinary TreeDepth-First SearchTree
Watch Solutions73.4% acceptance
2690. Infinite Method Object
Easy
Watch Solutions92.3% acceptance
2691. Immutability Helper
Hard
Watch Solutions42.1% 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
2695. Array Wrapper
Easy
Watch Solutions88.6% acceptance
2696. Minimum String Length After Removing Substrings
EasySimulationStackString
Watch Solutions77.5% acceptance
2697. Lexicographically Smallest Palindrome
EasyGreedyStringTwo Pointers
Watch Solutions81.4% acceptance
2698. Find the Punishment Number of an Integer
MediumBacktrackingMath
Watch Solutions81.7% acceptance
2699. Modify Graph Edge Weights
HardGraphHeap (Priority Queue)Shortest Path
Watch Solutions55.6% acceptance
2700. Differences Between Two Objects
Medium
Watch Solutions75.2% 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.