FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
16
With Videos
2
Easy
14
Medium
0
Hard
3932. Count K-th Roots in a Range
MediumBinary SearchMath
Watch Solutions24.6% acceptance
3933. Largest Local Values in a Matrix II
MediumArrayMatrixPrefix Sum
Watch Solutions18.5% acceptance
3937. Minimum Operations to Make Array Modulo Alternating I
MediumArrayEnumeration
Watch Solutions46.5% acceptance
3938. Maximum Path Intersection Sum in a Grid
MediumArrayDynamic ProgrammingMatrix
Watch Solutions25.6% acceptance
3946. Maximum Number of Items From Sale I
MediumArrayDynamic ProgrammingGreedy
Watch Solutions37.3% acceptance
3955. Valid Binary Strings With Cost Limit
MediumBacktrackingBit ManipulationEnumeration
Watch Solutions78.5% acceptance
3961. Maximize Sum of Device Ratings
MediumArrayGreedyMatrix
Watch Solutions39.4% acceptance
3963. Create Grid With Exactly One Path
Easy
Watch Solutions75.9% acceptance
3968. Maximum Manhattan Distance After All Moves
MediumCountingMathString
Watch Solutions63.3% acceptance
3964. Minimum Lights to Illuminate a Road
MediumArrayPrefix Sum
Watch Solutions37.8% acceptance
3969. Valid Subarrays With Matching Sum Digits I
MediumArrayEnumerationHash Table
Watch Solutions46.8% acceptance
3974. Maximum Total Sum of K Selected Elements
MediumArrayGreedySorting
Watch Solutions49.1% acceptance
3975. Filter Occupied Intervals
MediumArraySorting
Watch Solutions46.0% acceptance
3996. Even Number of Knight Moves
EasyArrayMath
Watch Solutions74.5% acceptance
3993. Maximum Value of an Alternating Sequence
MediumGreedyMath
Watch Solutions31.5% acceptance
3997. Count Dominant Nodes in a Binary Tree
MediumBinary TreeDepth-First SearchTree
Watch Solutions72.1% 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.