FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
27
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Easy
0
Medium
27
Hard
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Browse video solutions by difficulty level
4. Median of Two Sorted Arrays
HardArrayBinary SearchDivide and Conquer
Watch Solutions47.3% acceptance
23. Merge k Sorted Lists
HardDivide and ConquerHeap (Priority Queue)Linked List
Watch Solutions60.3% acceptance
30. Substring with Concatenation of All Words
HardHash TableSliding WindowString
Watch Solutions34.8% acceptance
37. Sudoku Solver
HardArrayBacktrackingHash Table
Watch Solutions65.4% acceptance
52. N-Queens II
HardBacktracking
Watch Solutions78.9% acceptance
65. Valid Number
HardString
Watch Solutions23.3% acceptance
84. Largest Rectangle in Histogram
HardArrayMonotonic StackStack
Watch Solutions50.7% acceptance
126. Word Ladder II
HardBacktrackingBreadth-First SearchHash Table
Watch Solutions27.7% acceptance
127. Word Ladder
HardBreadth-First SearchHash TableString
Watch Solutions46.3% acceptance
140. Word Break II
HardArrayBacktrackingDynamic Programming
Watch Solutions55.8% acceptance
149. Max Points on a Line
HardArrayGeometryHash Table
Watch Solutions31.0% acceptance
154. Find Minimum in Rotated Sorted Array II
HardArrayBinary Search
Watch Solutions46.6% acceptance
158. Read N Characters Given read4 II - Call Multiple Times
HardArrayInteractiveSimulation
Watch Solutions43.2% acceptance
185. Department Top Three Salaries
HardDatabase
Watch Solutions55.8% acceptance
212. Word Search II
HardArrayBacktrackingMatrix
Watch Solutions38.8% acceptance
214. Shortest Palindrome
HardHash FunctionRolling HashString
Watch Solutions42.7% acceptance
224. Basic Calculator
HardMathRecursionStack
Watch Solutions46.7% acceptance
233. Number of Digit One
HardDynamic ProgrammingMathRecursion
Watch Solutions39.3% acceptance
248. Strobogrammatic Number III
HardArrayRecursionString
Watch Solutions42.3% acceptance
262. Trips and Users
HardDatabase
Watch Solutions36.7% acceptance
265. Paint House II
HardArrayDynamic Programming
Watch Solutions57.0% acceptance
269. Alien Dictionary
HardArrayBreadth-First SearchDepth-First Search
Watch Solutions37.1% acceptance
272. Closest Binary Search Tree Value II
HardBinary Search TreeBinary TreeDepth-First Search
Watch Solutions61.1% acceptance
273. Integer to English Words
HardMathRecursionString
Watch Solutions34.9% acceptance
282. Expression Add Operators
HardBacktrackingMathString
Watch Solutions43.5% acceptance
296. Best Meeting Point
HardArrayMathMatrix
Watch Solutions61.1% acceptance
297. Serialize and Deserialize Binary Tree
HardBinary TreeBreadth-First SearchDepth-First Search
Watch Solutions61.1% 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.