FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
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3184. Count Pairs That Form a Complete Day I
EasyArrayCountingHash Table
Watch Solutions78.0% acceptance
3190. Find Minimum Operations to Make All Elements Divisible by Three
EasyArrayMath
Watch Solutions90.9% acceptance
3194. Minimum Average of Smallest and Largest Elements
EasyArraySortingTwo Pointers
Watch Solutions85.4% acceptance
3198. Find Cities in Each State
EasyDatabase
Watch Solutions82.5% acceptance
3199. Count Triplets with Even XOR Set Bits I
EasyArrayBit Manipulation
Watch Solutions83.3% acceptance
3216. Lexicographically Smallest String After a Swap
EasyGreedyString
Watch Solutions54.6% acceptance
3226. Number of Bit Changes to Make Two Integers Equal
EasyBit Manipulation
Watch Solutions63.4% acceptance
3232. Find if Digit Game Can Be Won
EasyArrayMath
Watch Solutions81.5% acceptance
3238. Find the Number of Winning Players
EasyArrayCountingHash Table
Watch Solutions60.5% acceptance
3242. Design Neighbor Sum Service
EasyArrayDesignHash Table
Watch Solutions76.4% acceptance
3246. Premier League Table Ranking
EasyDatabase
Watch Solutions83.3% acceptance
3258. Count Substrings That Satisfy K-Constraint I
EasySliding WindowString
Watch Solutions78.9% acceptance
3263. Convert Doubly Linked List to Array I
EasyArrayDoubly-Linked ListLinked List
Watch Solutions95.0% acceptance
3264. Final Array State After K Multiplication Operations I
EasyArrayHeap (Priority Queue)Math
Watch Solutions86.9% acceptance
3274. Check if Two Chessboard Squares Have the Same Color
EasyMathString
Watch Solutions72.3% acceptance
3280. Convert Date to Binary
EasyMathString
Watch Solutions88.8% acceptance
3289. The Two Sneaky Numbers of Digitville
EasyArrayHash TableMath
Watch Solutions89.9% acceptance
3300. Minimum Element After Replacement With Digit Sum
EasyArrayMath
Watch Solutions89.6% acceptance
3304. Find the K-th Character in String Game I
EasyBit ManipulationMathRecursion
Watch Solutions81.6% acceptance
3314. Construct the Minimum Bitwise Array I
EasyArrayBit Manipulation
Watch Solutions85.3% acceptance
3318. Find X-Sum of All K-Long Subarrays I
EasyArrayHash TableHeap (Priority Queue)
Watch Solutions76.1% acceptance
3330. Find the Original Typed String I
EasyString
Watch Solutions72.1% acceptance
3340. Check Balanced String
EasyString
Watch Solutions82.9% acceptance
3349. Adjacent Increasing Subarrays Detection I
EasyArray
Watch Solutions48.0% acceptance
3353. Minimum Total Operations
EasyArray
Watch Solutions63.8% acceptance
3354. Make Array Elements Equal to Zero
EasyArrayPrefix SumSimulation
Watch Solutions68.3% acceptance
3358. Books with NULL Ratings
EasyDatabase
Watch Solutions89.4% acceptance
3370. Smallest Number With All Set Bits
EasyBit ManipulationMath
Watch Solutions80.4% acceptance
3861. Minimum Capacity Box
EasyArray
Watch Solutions72.8% acceptance
3856. Trim Trailing Vowels
EasyString
Watch Solutions77.2% acceptance
3838. Weighted Word Mapping
EasyArraySimulationString
Watch Solutions90.7% acceptance
3833. Count Dominant Indices
EasyArrayEnumeration
Watch Solutions65.8% 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.