FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
40
With Videos
12
Easy
22
Medium
6
Hard
2351. First Letter to Appear Twice
EasyBit ManipulationCountingHash Table
Watch Solutions74.9% acceptance
2352. Equal Row and Column Pairs
MediumArrayHash TableMatrix
Watch Solutions70.9% acceptance
2353. Design a Food Rating System
MediumDesignHash TableHeap (Priority Queue)
Watch Solutions52.9% acceptance
2354. Number of Excellent Pairs
HardArrayBinary SearchBit Manipulation
Watch Solutions49.1% acceptance
2356. Number of Unique Subjects Taught by Each Teacher
EasyDatabase
Watch Solutions89.1% acceptance
2357. Make Array Zero by Subtracting Equal Amounts
EasyArrayGreedyHash Table
Watch Solutions73.8% acceptance
2358. Maximum Number of Groups Entering a Competition
MediumArrayBinary SearchGreedy
Watch Solutions68.5% acceptance
2359. Find Closest Node to Given Two Nodes
MediumDepth-First SearchGraph
Watch Solutions53.0% acceptance
2362. Generate the Invoice
HardDatabase
Watch Solutions75.2% acceptance
2363. Merge Similar Items
EasyArrayHash TableOrdered Set
Watch Solutions77.4% acceptance
2364. Count Number of Bad Pairs
MediumArrayCountingHash Table
Watch Solutions54.2% acceptance
2365. Task Scheduler II
MediumArrayHash TableSimulation
Watch Solutions54.7% acceptance
2366. Minimum Replacements to Sort the Array
HardArrayGreedyMath
Watch Solutions53.4% acceptance
2367. Number of Arithmetic Triplets
EasyArrayEnumerationHash Table
Watch Solutions85.4% acceptance
2369. Check if There is a Valid Partition For The Array
MediumArrayDynamic Programming
Watch Solutions52.5% acceptance
2370. Longest Ideal Subsequence
MediumDynamic ProgrammingHash TableString
Watch Solutions47.1% acceptance
2371. Minimize Maximum Value in a Grid
HardArrayGraphMatrix
Watch Solutions70.1% acceptance
2372. Calculate the Influence of Each Salesperson
MediumDatabase
Watch Solutions83.2% acceptance
2373. Largest Local Values in a Matrix
EasyArrayMatrix
Watch Solutions87.8% acceptance
2374. Node With Highest Edge Score
MediumGraphHash Table
Watch Solutions49.3% acceptance
2375. Construct Smallest Number From DI String
MediumBacktrackingGreedyStack
Watch Solutions85.6% acceptance
2377. Sort the Olympic Table
EasyDatabase
Watch Solutions79.1% acceptance
2378. Choose Edges to Maximize Score in a Tree
MediumDepth-First SearchDynamic ProgrammingTree
Watch Solutions56.5% acceptance
2379. Minimum Recolors to Get K Consecutive Black Blocks
EasySliding WindowString
Watch Solutions68.6% acceptance
2380. Time Needed to Rearrange a Binary String
MediumDynamic ProgrammingSimulationString
Watch Solutions53.3% acceptance
2381. Shifting Letters II
MediumArrayPrefix SumString
Watch Solutions53.6% acceptance
2383. Minimum Hours of Training to Win a Competition
EasyArrayGreedy
Watch Solutions42.5% acceptance
2384. Largest Palindromic Number
MediumCountingGreedyHash Table
Watch Solutions37.1% acceptance
2385. Amount of Time for Binary Tree to Be Infected
MediumBinary TreeBreadth-First SearchDepth-First Search
Watch Solutions65.8% acceptance
2387. Median of a Row Wise Sorted Matrix
MediumArrayBinary SearchMatrix
Watch Solutions70.9% acceptance
2388. Change Null Values in a Table to the Previous Value
MediumDatabase
Watch Solutions51.0% acceptance
2389. Longest Subsequence With Limited Sum
EasyArrayBinary SearchGreedy
Watch Solutions73.5% acceptance
2391. Minimum Amount of Time to Collect Garbage
MediumArrayPrefix SumString
Watch Solutions85.2% acceptance
2392. Build a Matrix With Conditions
HardArrayGraphMatrix
Watch Solutions79.5% acceptance
2394. Employees With Deductions
MediumDatabase
Watch Solutions41.0% acceptance
2395. Find Subarrays With Equal Sum
EasyArrayHash Table
Watch Solutions66.9% acceptance
2396. Strictly Palindromic Number
MediumBrainteaserMathTwo Pointers
Watch Solutions90.3% acceptance
2398. Maximum Number of Robots Within Budget
HardArrayBinary SearchHeap (Priority Queue)
Watch Solutions38.8% acceptance
2399. Check Distances Between Same Letters
EasyArrayHash TableString
Watch Solutions71.5% acceptance
2400. Number of Ways to Reach a Position After Exactly k Steps
MediumCombinatoricsDynamic ProgrammingMath
Watch Solutions36.8% 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.