FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
38
With Videos
4
Easy
22
Medium
12
Hard
751. IP to CIDR
MediumBit ManipulationString
Watch Solutions53.7% acceptance
752. Open the Lock
MediumArrayBreadth-First SearchHash Table
Watch Solutions61.2% acceptance
753. Cracking the Safe
HardDepth-First SearchEulerian CircuitGraph
Watch Solutions58.5% acceptance
755. Pour Water
MediumArraySimulation
Watch Solutions49.1% acceptance
756. Pyramid Transition Matrix
MediumBit ManipulationBreadth-First SearchDepth-First Search
Watch Solutions60.6% acceptance
757. Set Intersection Size At Least Two
HardArrayGreedySorting
Watch Solutions58.0% acceptance
759. Employee Free Time
HardArrayHeap (Priority Queue)Sorting
Watch Solutions72.9% acceptance
760. Find Anagram Mappings
EasyArrayHash Table
Watch Solutions83.8% acceptance
761. Special Binary String
HardRecursionString
Watch Solutions79.4% acceptance
762. Prime Number of Set Bits in Binary Representation
EasyBit ManipulationMath
Watch Solutions78.7% acceptance
763. Partition Labels
MediumGreedyHash TableString
Watch Solutions81.8% acceptance
764. Largest Plus Sign
MediumArrayDynamic Programming
Watch Solutions49.1% acceptance
768. Max Chunks To Make Sorted II
HardArrayGreedyMonotonic Stack
Watch Solutions54.7% acceptance
769. Max Chunks To Make Sorted
MediumArrayGreedyMonotonic Stack
Watch Solutions64.1% acceptance
770. Basic Calculator IV
HardHash TableMathRecursion
Watch Solutions49.8% acceptance
771. Jewels and Stones
EasyHash TableString
Watch Solutions89.5% acceptance
772. Basic Calculator III
HardMathRecursionStack
Watch Solutions53.2% acceptance
773. Sliding Puzzle
HardArrayBacktrackingBreadth-First Search
Watch Solutions74.3% acceptance
774. Minimize Max Distance to Gas Station
HardArrayBinary Search
Watch Solutions53.9% acceptance
775. Global and Local Inversions
MediumArrayMath
Watch Solutions42.9% acceptance
776. Split BST
MediumBinary Search TreeBinary TreeRecursion
Watch Solutions82.5% acceptance
777. Swap Adjacent in LR String
MediumStringTwo Pointers
Watch Solutions37.9% acceptance
780. Reaching Points
HardMath
Watch Solutions34.3% acceptance
781. Rabbits in Forest
MediumArrayGreedyHash Table
Watch Solutions58.0% acceptance
782. Transform to Chessboard
HardArrayBit ManipulationMath
Watch Solutions51.3% acceptance
784. Letter Case Permutation
MediumBacktrackingBit ManipulationString
Watch Solutions75.7% acceptance
785. Is Graph Bipartite?
MediumBreadth-First SearchDepth-First SearchGraph
Watch Solutions59.6% acceptance
786. K-th Smallest Prime Fraction
MediumArrayBinary SearchHeap (Priority Queue)
Watch Solutions69.0% acceptance
787. Cheapest Flights Within K Stops
MediumBreadth-First SearchDepth-First SearchDynamic Programming
Watch Solutions42.1% acceptance
788. Rotated Digits
MediumDynamic ProgrammingMath
Watch Solutions63.9% acceptance
790. Domino and Tromino Tiling
MediumDynamic Programming
Watch Solutions51.4% acceptance
791. Custom Sort String
MediumHash TableSortingString
Watch Solutions72.3% acceptance
792. Number of Matching Subsequences
MediumArrayBinary SearchDynamic Programming
Watch Solutions50.8% acceptance
794. Valid Tic-Tac-Toe State
MediumArrayMatrix
Watch Solutions34.7% acceptance
796. Rotate String
EasyStringString Matching
Watch Solutions66.6% acceptance
797. All Paths From Source to Target
MediumBacktrackingBreadth-First SearchDepth-First Search
Watch Solutions83.6% acceptance
798. Smallest Rotation with Highest Score
HardArrayPrefix Sum
Watch Solutions54.2% acceptance
799. Champagne Tower
MediumDynamic Programming
Watch Solutions64.1% 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.