FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
33
With Videos
11
Easy
19
Medium
3
Hard
2201. Count Artifacts That Can Be Extracted
MediumArrayHash TableSimulation
Watch Solutions57.1% acceptance
2202. Maximize the Topmost Element After K Moves
MediumArrayGreedy
Watch Solutions24.0% acceptance
2205. The Number of Users That Are Eligible for Discount
EasyDatabase
Watch Solutions50.3% acceptance
2206. Divide Array Into Equal Pairs
EasyArrayBit ManipulationCounting
Watch Solutions79.2% acceptance
2207. Maximize Number of Subsequences in a String
MediumGreedyPrefix SumString
Watch Solutions36.0% acceptance
2208. Minimum Operations to Halve Array Sum
MediumArrayGreedyHeap (Priority Queue)
Watch Solutions50.1% acceptance
2210. Count Hills and Valleys in an Array
EasyArray
Watch Solutions69.1% acceptance
2211. Count Collisions on a Road
MediumSimulationStackString
Watch Solutions58.1% acceptance
2212. Maximum Points in an Archery Competition
MediumArrayBacktrackingBit Manipulation
Watch Solutions52.2% acceptance
2214. Minimum Health to Beat Game
MediumArrayGreedy
Watch Solutions58.9% acceptance
2215. Find the Difference of Two Arrays
EasyArrayHash Table
Watch Solutions81.4% acceptance
2217. Find Palindrome With Fixed Length
MediumArrayMath
Watch Solutions38.0% acceptance
2218. Maximum Value of K Coins From Piles
HardArrayDynamic ProgrammingPrefix Sum
Watch Solutions60.5% acceptance
2219. Maximum Sum Score of Array
MediumArrayPrefix Sum
Watch Solutions62.6% acceptance
2221. Find Triangular Sum of an Array
MediumArrayCombinatoricsMath
Watch Solutions82.0% acceptance
2222. Number of Ways to Select Buildings
MediumDynamic ProgrammingPrefix SumString
Watch Solutions50.8% acceptance
2224. Minimum Number of Operations to Convert Time
EasyGreedyString
Watch Solutions66.3% acceptance
2225. Find Players With Zero or One Losses
MediumArrayCountingHash Table
Watch Solutions72.4% acceptance
2226. Maximum Candies Allocated to K Children
MediumArrayBinary Search
Watch Solutions49.9% acceptance
2228. Users With Two Purchases Within Seven Days
MediumDatabase
Watch Solutions45.2% acceptance
2230. The Users That Are Eligible for Discount
EasyDatabase
Watch Solutions50.2% acceptance
2233. Maximum Product After K Increments
MediumArrayGreedyHeap (Priority Queue)
Watch Solutions44.0% acceptance
2234. Maximum Total Beauty of the Gardens
HardArrayBinary SearchGreedy
Watch Solutions30.4% acceptance
2235. Add Two Integers
EasyMath
Watch Solutions88.0% acceptance
2236. Root Equals Sum of Children
EasyBinary TreeTree
Watch Solutions84.8% acceptance
2238. Number of Times a Driver Was a Passenger
MediumDatabase
Watch Solutions71.5% acceptance
2239. Find Closest Number to Zero
EasyArray
Watch Solutions47.8% acceptance
2240. Number of Ways to Buy Pens and Pencils
MediumEnumerationMath
Watch Solutions57.2% acceptance
2243. Calculate Digit Sum of a String
EasySimulationString
Watch Solutions67.7% acceptance
2244. Minimum Rounds to Complete All Tasks
MediumArrayCountingGreedy
Watch Solutions62.9% acceptance
2246. Longest Path With Different Adjacent Characters
HardArrayDepth-First SearchGraph
Watch Solutions54.2% acceptance
2248. Intersection of Multiple Arrays
EasyArrayCountingHash Table
Watch Solutions68.8% acceptance
2250. Count Number of Rectangles Containing Each Point
MediumArrayBinary Indexed TreeBinary Search
Watch Solutions37.5% 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.