FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
38
With Videos
11
Easy
19
Medium
8
Hard
2751. Robot Collisions
HardArraySimulationSorting
Watch Solutions61.6% acceptance
2752. Customers with Maximum Number of Transactions on Consecutive Days
HardDatabase
Watch Solutions39.6% acceptance
2754. Bind Function to Context
Medium
Watch Solutions87.0% acceptance
2755. Deep Merge of Two Objects
Medium
Watch Solutions66.4% acceptance
2756. Query Batching
Hard
Watch Solutions63.0% acceptance
2757. Generate Circular Array Values
Medium
Watch Solutions73.3% acceptance
2758. Next Day
Easy
Watch Solutions84.2% acceptance
2759. Convert JSON String to Object
Hard
Watch Solutions61.7% acceptance
2760. Longest Even Odd Subarray With Threshold
EasyArraySliding Window
Watch Solutions32.4% acceptance
2762. Continuous Subarrays
MediumArrayHeap (Priority Queue)Monotonic Queue
Watch Solutions58.0% acceptance
2764. Is Array a Preorder of Some Binary Tree
MediumBinary TreeDepth-First SearchStack
Watch Solutions67.8% acceptance
2767. Partition String Into Minimum Beautiful Substrings
MediumBacktrackingDynamic ProgrammingHash Table
Watch Solutions54.0% acceptance
2769. Find the Maximum Achievable Number
EasyMath
Watch Solutions91.3% acceptance
2771. Longest Non-decreasing Subarray From Two Arrays
MediumArrayDynamic Programming
Watch Solutions31.1% acceptance
2772. Apply Operations to Make All Array Elements Equal to Zero
MediumArrayPrefix Sum
Watch Solutions33.5% acceptance
2774. Array Upper Bound
Easy
Watch Solutions82.0% acceptance
2775. Undefined to Null
Medium
Watch Solutions69.6% acceptance
2776. Convert Callback Based Function to Promise Based Function
Medium
Watch Solutions92.1% acceptance
2777. Date Range Generator
Medium
Watch Solutions80.4% acceptance
2778. Sum of Squares of Special Elements
EasyArrayEnumeration
Watch Solutions82.0% acceptance
2779. Maximum Beauty of an Array After Applying Operation
MediumArrayBinary SearchSliding Window
Watch Solutions58.4% acceptance
2780. Minimum Index of a Valid Split
MediumArrayHash TableSorting
Watch Solutions75.5% acceptance
2781. Length of the Longest Valid Substring
HardArrayHash TableSliding Window
Watch Solutions38.3% acceptance
2783. Flight Occupancy and Waitlist Analysis
MediumDatabase
Watch Solutions38.0% acceptance
2784. Check if Array is Good
EasyArrayHash TableSorting
Watch Solutions57.3% acceptance
2785. Sort Vowels in a String
MediumSortingString
Watch Solutions83.4% acceptance
2786. Visit Array Positions to Maximize Score
MediumArrayDynamic Programming
Watch Solutions37.5% acceptance
2787. Ways to Express an Integer as Sum of Powers
MediumDynamic Programming
Watch Solutions49.8% acceptance
2788. Split Strings by Separator
EasyArrayString
Watch Solutions76.1% acceptance
2790. Maximum Number of Groups With Increasing Length
HardArrayBinary SearchGreedy
Watch Solutions23.0% acceptance
2792. Count Nodes That Are Great Enough
HardBinary TreeDepth-First SearchDivide and Conquer
Watch Solutions56.5% acceptance
2793. Status of Flight Tickets
Hard
Watch Solutions76.1% acceptance
2794. Create Object from Two Arrays
Easy
Watch Solutions64.3% acceptance
2795. Parallel Execution of Promises for Individual Results Retrieval
Medium
Watch Solutions88.7% acceptance
2796. Repeat String
Easy
Watch Solutions92.9% acceptance
2797. Partial Function with Placeholders
Easy
Watch Solutions89.0% acceptance
2798. Number of Employees Who Met the Target
EasyArray
Watch Solutions87.7% acceptance
2799. Count Complete Subarrays in an Array
MediumArrayHash TableSliding Window
Watch Solutions75.9% 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.