FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
26
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26
Easy
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Medium
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Hard
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3803. Count Residue Prefixes
EasyHash TableString
Watch Solutions65.4% acceptance
3783. Mirror Distance of an Integer
EasyMath
Watch Solutions91.5% acceptance
3754. Concatenate Non-Zero Digits and Multiply by Sum I
EasyMath
Watch Solutions66.2% acceptance
3750. Minimum Number of Flips to Reverse Binary String
EasyBit ManipulationMathString
Watch Solutions76.7% acceptance
3736. Minimum Moves to Equal Array Elements III
EasyArrayMath
Watch Solutions82.0% acceptance
3740. Minimum Distance Between Three Equal Elements I
EasyArrayHash Table
Watch Solutions73.4% acceptance
3687. Library Late Fee Calculator
EasyArraySimulation
Watch Solutions94.4% acceptance
3701. Compute Alternating Sum
EasyArraySimulation
Watch Solutions89.8% acceptance
3707. Equal Score Substrings
EasyPrefix SumString
Watch Solutions56.7% acceptance
3697. Compute Decimal Representation
EasyArrayMath
Watch Solutions64.7% acceptance
3683. Earliest Time to Finish One Task
EasyArray
Watch Solutions84.5% acceptance
3678. Smallest Absent Positive Greater Than Average
EasyArrayHash Table
Watch Solutions34.2% acceptance
3688. Bitwise OR of Even Numbers in an Array
EasyArrayBit ManipulationSimulation
Watch Solutions84.9% acceptance
3668. Restore Finishing Order
EasyArrayHash Table
Watch Solutions91.1% acceptance
3674. Minimum Operations to Equalize Array
EasyArrayBit ManipulationBrainteaser
Watch Solutions60.8% acceptance
3684. Maximize Sum of At Most K Distinct Elements
EasyArrayGreedyHash Table
Watch Solutions76.8% acceptance
3658. GCD of Odd and Even Sums
EasyMathNumber Theory
Watch Solutions89.8% acceptance
3643. Flip Square Submatrix Vertically
EasyArrayMatrixTwo Pointers
Watch Solutions79.3% acceptance
3633. Earliest Finish Time for Land and Water Rides I
EasyArrayBinary SearchGreedy
Watch Solutions73.0% acceptance
3637. Trionic Array I
EasyArray
Watch Solutions49.5% acceptance
3591. Check if Any Element Has Prime Frequency
EasyArrayCountingHash Table
Watch Solutions62.6% acceptance
3582. Generate Tag for Video Caption
EasySimulationString
Watch Solutions32.4% acceptance
3560. Find Minimum Log Transportation Cost
EasyMath
Watch Solutions42.2% acceptance
3541. Find Most Frequent Vowel and Consonant
EasyCountingHash TableString
Watch Solutions89.4% acceptance
3512. Minimum Operations to Make Array Sum Divisible by K
EasyArrayMath
Watch Solutions92.4% acceptance
3491. Phone Number Prefix
EasyArraySortingString
Watch Solutions69.9% 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.