FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
43
With Videos
24
Easy
16
Medium
3
Hard
2851. String Transformation
HardDynamic ProgrammingMathString
Watch Solutions27.4% acceptance
2852. Sum of Remoteness of All Cells
MediumArrayBreadth-First SearchDepth-First Search
Watch Solutions70.8% acceptance
2853. Highest Salaries Difference
EasyDatabase
Watch Solutions73.5% acceptance
2854. Rolling Average Steps
MediumDatabase
Watch Solutions67.8% acceptance
2855. Minimum Right Shifts to Sort the Array
EasyArray
Watch Solutions57.6% acceptance
2856. Minimum Array Length After Pair Removals
MediumArrayBinary SearchCounting
Watch Solutions27.8% acceptance
2858. Minimum Edge Reversals So Every Node Is Reachable
HardBreadth-First SearchDepth-First SearchDynamic Programming
Watch Solutions59.6% acceptance
2859. Sum of Values at Indices With K Set Bits
EasyArrayBit Manipulation
Watch Solutions86.0% acceptance
2860. Happy Students
MediumArrayEnumerationSorting
Watch Solutions50.9% acceptance
2861. Maximum Number of Alloys
MediumArrayBinary Search
Watch Solutions41.2% acceptance
2863. Maximum Length of Semi-Decreasing Subarrays
MediumArrayMonotonic StackSorting
Watch Solutions70.5% acceptance
2864. Maximum Odd Binary Number
EasyGreedyMathString
Watch Solutions83.0% acceptance
2865. Beautiful Towers I
MediumArrayMonotonic StackStack
Watch Solutions44.4% acceptance
2869. Minimum Operations to Collect Elements
EasyArrayBit ManipulationHash Table
Watch Solutions62.2% acceptance
2870. Minimum Number of Operations to Make Array Empty
MediumArrayCountingGreedy
Watch Solutions61.9% acceptance
2871. Split Array Into Maximum Number of Subarrays
MediumArrayBit ManipulationGreedy
Watch Solutions42.4% acceptance
2872. Maximum Number of K-Divisible Components
HardDepth-First SearchTree
Watch Solutions74.1% acceptance
2873. Maximum Value of an Ordered Triplet I
EasyArray
Watch Solutions58.2% acceptance
2874. Maximum Value of an Ordered Triplet II
MediumArray
Watch Solutions56.4% acceptance
2875. Minimum Size Subarray in Infinite Array
MediumArrayHash TablePrefix Sum
Watch Solutions32.1% acceptance
2877. Create a DataFrame from List
Easy
Watch Solutions81.3% acceptance
2878. Get the Size of a DataFrame
Easy
Watch Solutions85.0% acceptance
2879. Display the First Three Rows
Easy
Watch Solutions93.0% acceptance
2880. Select Data
Easy
Watch Solutions79.2% acceptance
2881. Create a New Column
Easy
Watch Solutions90.1% acceptance
2882. Drop Duplicate Rows
Easy
Watch Solutions85.6% acceptance
2883. Drop Missing Data
Easy
Watch Solutions64.1% acceptance
2884. Modify Columns
Easy
Watch Solutions92.2% acceptance
2885. Rename Columns
Easy
Watch Solutions85.4% acceptance
2886. Change Data Type
Easy
Watch Solutions87.3% acceptance
2887. Fill Missing Data
Easy
Watch Solutions72.0% acceptance
2888. Reshape Data: Concatenate
Easy
Watch Solutions90.6% acceptance
2889. Reshape Data: Pivot
Easy
Watch Solutions82.9% acceptance
2890. Reshape Data: Melt
Easy
Watch Solutions86.1% acceptance
2891. Method Chaining
Easy
Watch Solutions76.3% acceptance
2892. Minimizing Array After Replacing Pairs With Their Product
MediumArrayDynamic ProgrammingGreedy
Watch Solutions40.6% acceptance
2893. Calculate Orders Within Each Interval
MediumDatabase
Watch Solutions67.2% acceptance
2894. Divisible and Non-divisible Sums Difference
EasyMath
Watch Solutions91.0% acceptance
2895. Minimum Processing Time
MediumArrayGreedySorting
Watch Solutions70.3% acceptance
2896. Apply Operations to Make Two Strings Equal
MediumDynamic ProgrammingString
Watch Solutions27.7% acceptance
2898. Maximum Linear Stock Score
MediumArrayHash Table
Watch Solutions61.7% acceptance
2899. Last Visited Integers
EasyArraySimulation
Watch Solutions62.2% acceptance
2900. Longest Unequal Adjacent Groups Subsequence I
EasyArrayDynamic ProgrammingGreedy
Watch Solutions67.0% 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.