FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
16
With Videos
6
Easy
7
Medium
3
Hard
3982. Sum of Integers with Maximum Digit Range
EasyArrayMath
Watch Solutions72.9% acceptance
3992. Rearrange String to Avoid Character Pair
EasySortingStringTwo Pointers
Watch Solutions77.8% acceptance
3978. Unique Middle Element
EasyArrayCounting
Watch Solutions72.3% acceptance
3987. Minimum Total Cost to Process All Elements
MediumArrayMathSimulation
Watch Solutions24.7% acceptance
3983. Subsequence After One Replacement
MediumStringTwo Pointers
Watch Solutions21.6% acceptance
3979. Maximum Valid Pair Sum
MediumArrayEnumeration
Watch Solutions49.2% acceptance
3994. Minimum Adjacent Swaps to Partition Array
MediumArrayGreedy
Watch Solutions57.4% acceptance
3980. Minimum Operations to Transform Binary String
MediumDynamic ProgrammingGreedyString
Watch Solutions36.4% acceptance
3984. Divisible Game
MediumArrayDynamic ProgrammingEnumeration
Watch Solutions42.3% acceptance
3995. Minimum Cost to Convert String III
HardArrayDynamic ProgrammingString
Watch Solutions55.6% acceptance
3981. Count Distinct Ways to Form Target from Two Strings
HardDynamic ProgrammingPrefix SumString
Watch Solutions46.4% acceptance
3985. Palindromic Subarray Sum
HardArrayBinary SearchHash Function
Watch Solutions34.0% acceptance
4000. Largest Integer With Given Digit Sum
EasyGreedyMath
Watch Solutions61.0% acceptance
4010. Maximize Pair Strength Using GCD
EasyArrayEnumerationMath
Watch Solutions48.6% acceptance
4015. Weighted Sum of a Tree
MediumArrayDepth-First SearchTree
Watch Solutions41.7% acceptance
4030. Elevator Requests IV
Easy
Watch Solutions60.0% 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.