FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
27
With Videos
5
Easy
15
Medium
7
Hard
453. Minimum Moves to Equal Array Elements
MediumArrayMath
Watch Solutions58.6% acceptance
454. 4Sum II
MediumArrayHash Table
Watch Solutions57.9% acceptance
456. 132 Pattern
MediumArrayBinary SearchMonotonic Stack
Watch Solutions34.6% acceptance
458. Poor Pigs
HardCombinatoricsDynamic ProgrammingMath
Watch Solutions59.4% acceptance
461. Hamming Distance
EasyBit Manipulation
Watch Solutions76.7% acceptance
462. Minimum Moves to Equal Array Elements II
MediumArrayMathSorting
Watch Solutions62.2% acceptance
463. Island Perimeter
EasyArrayBreadth-First SearchDepth-First Search
Watch Solutions74.3% acceptance
465. Optimal Account Balancing
HardArrayBacktrackingBit Manipulation
Watch Solutions50.3% acceptance
468. Validate IP Address
MediumString
Watch Solutions28.2% acceptance
469. Convex Polygon
MediumArrayGeometryMath
Watch Solutions40.3% acceptance
470. Implement Rand10() Using Rand7()
MediumMathProbability and StatisticsRandomized
Watch Solutions46.4% acceptance
471. Encode String with Shortest Length
HardDynamic ProgrammingString
Watch Solutions50.5% acceptance
472. Concatenated Words
HardArrayDepth-First SearchDynamic Programming
Watch Solutions49.9% acceptance
475. Heaters
MediumArrayBinary SearchSorting
Watch Solutions42.3% acceptance
476. Number Complement
EasyBit Manipulation
Watch Solutions70.3% acceptance
480. Sliding Window Median
HardArrayHash TableHeap (Priority Queue)
Watch Solutions38.7% acceptance
484. Find Permutation
MediumArrayGreedyStack
Watch Solutions67.0% acceptance
486. Predict the Winner
MediumArrayDynamic ProgrammingGame Theory
Watch Solutions59.7% acceptance
487. Max Consecutive Ones II
MediumArrayDynamic ProgrammingSliding Window
Watch Solutions52.0% acceptance
489. Robot Room Cleaner
HardBacktrackingInteractive
Watch Solutions77.9% acceptance
490. The Maze
MediumArrayBreadth-First SearchDepth-First Search
Watch Solutions60.4% acceptance
494. Target Sum
MediumArrayBacktrackingDynamic Programming
Watch Solutions52.6% acceptance
495. Teemo Attacking
EasyArraySimulation
Watch Solutions57.6% acceptance
496. Next Greater Element I
EasyArrayHash TableMonotonic Stack
Watch Solutions76.5% acceptance
497. Random Point in Non-overlapping Rectangles
MediumArrayBinary SearchMath
Watch Solutions40.2% acceptance
498. Diagonal Traverse
MediumArrayMatrixSimulation
Watch Solutions67.1% acceptance
499. The Maze III
HardArrayBreadth-First SearchDepth-First Search
Watch Solutions52.3% 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.