FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
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Easy
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Medium
25
Hard
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2127. Maximum Employees to Be Invited to a Meeting
HardDepth-First SearchGraphTopological Sort
Watch Solutions61.8% acceptance
2136. Earliest Possible Day of Full Bloom
HardArrayGreedySorting
Watch Solutions71.4% acceptance
2141. Maximum Running Time of N Computers
HardArrayBinary SearchGreedy
Watch Solutions56.4% acceptance
2147. Number of Ways to Divide a Long Corridor
HardDynamic ProgrammingMathString
Watch Solutions54.6% acceptance
2153. The Number of Passengers in Each Bus II
HardDatabase
Watch Solutions39.2% acceptance
2158. Amount of New Area Painted Each Day
HardArrayOrdered SetSegment Tree
Watch Solutions55.3% acceptance
2163. Minimum Difference in Sums After Removal of Elements
HardArrayDynamic ProgrammingHeap (Priority Queue)
Watch Solutions69.8% acceptance
2172. Maximum AND Sum of Array
HardArrayBit ManipulationBitmask
Watch Solutions50.8% acceptance
2173. Longest Winning Streak
HardDatabase
Watch Solutions52.9% acceptance
2183. Count Array Pairs Divisible by K
HardArrayMathNumber Theory
Watch Solutions30.7% acceptance
2188. Minimum Time to Finish the Race
HardArrayDynamic Programming
Watch Solutions43.4% acceptance
2193. Minimum Number of Moves to Make Palindrome
HardBinary Indexed TreeGreedyString
Watch Solutions52.7% acceptance
2197. Replace Non-Coprime Numbers in Array
HardArrayMathNumber Theory
Watch Solutions57.7% acceptance
2199. Finding the Topic of Each Post
HardDatabase
Watch Solutions49.3% acceptance
2218. Maximum Value of K Coins From Piles
HardArrayDynamic ProgrammingPrefix Sum
Watch Solutions60.5% acceptance
2234. Maximum Total Beauty of the Gardens
HardArrayBinary SearchGreedy
Watch Solutions30.4% acceptance
2246. Longest Path With Different Adjacent Characters
HardArrayDepth-First SearchGraph
Watch Solutions54.2% acceptance
2251. Number of Flowers in Full Bloom
HardArrayBinary SearchHash Table
Watch Solutions57.8% acceptance
2252. Dynamic Pivoting of a Table
HardDatabase
Watch Solutions56.0% acceptance
2253. Dynamic Unpivoting of a Table
HardDatabase
Watch Solutions66.9% acceptance
2254. Design Video Sharing Platform
HardDesignHash TableOrdered Set
Watch Solutions64.1% acceptance
2262. Total Appeal of A String
HardDynamic ProgrammingHash TableString
Watch Solutions56.4% acceptance
2272. Substring With Largest Variance
HardArrayDynamic Programming
Watch Solutions46.1% acceptance
2276. Count Integers in Intervals
HardDesignOrdered SetSegment Tree
Watch Solutions36.1% acceptance
2301. Match Substring After Replacement
HardArrayHash TableString
Watch Solutions43.3% 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.