FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
35
With Videos
8
Easy
19
Medium
8
Hard
2501. Longest Square Streak in an Array
MediumArrayBinary SearchDynamic Programming
Watch Solutions53.1% acceptance
2502. Design Memory Allocator
MediumArrayDesignHash Table
Watch Solutions50.4% acceptance
2503. Maximum Number of Points From Grid Queries
HardArrayBreadth-First SearchHeap (Priority Queue)
Watch Solutions59.3% acceptance
2504. Concatenate the Name and the Profession
EasyDatabase
Watch Solutions77.0% acceptance
2506. Count Pairs Of Similar Strings
EasyArrayBit ManipulationCounting
Watch Solutions73.7% acceptance
2508. Add Edges to Make Degrees of All Nodes Even
HardGraphHash Table
Watch Solutions36.7% acceptance
2510. Check if There is a Path With Equal Number of 0's And 1's
MediumArrayDynamic ProgrammingMatrix
Watch Solutions51.9% acceptance
2515. Shortest Distance to Target String in a Circular Array
EasyArrayString
Watch Solutions65.1% acceptance
2516. Take K of Each Character From Left and Right
MediumHash TableSliding WindowString
Watch Solutions51.4% acceptance
2518. Number of Great Partitions
HardArrayDynamic Programming
Watch Solutions33.4% acceptance
2519. Count the Number of K-Big Indices
HardArrayBinary Indexed TreeBinary Search
Watch Solutions53.2% acceptance
2520. Count the Digits That Divide a Number
EasyMath
Watch Solutions85.9% acceptance
2521. Distinct Prime Factors of Product of Array
MediumArrayHash TableMath
Watch Solutions54.9% acceptance
2522. Partition String Into Substrings With Values at Most K
MediumDynamic ProgrammingGreedyString
Watch Solutions47.6% acceptance
2523. Closest Prime Numbers in Range
MediumMathNumber Theory
Watch Solutions51.7% acceptance
2526. Find Consecutive Integers from a Data Stream
MediumCountingData StreamDesign
Watch Solutions51.5% acceptance
2528. Maximize the Minimum Powered City
HardArrayBinary SearchGreedy
Watch Solutions61.8% acceptance
2529. Maximum Count of Positive Integer and Negative Integer
EasyArrayBinary SearchCounting
Watch Solutions74.3% acceptance
2530. Maximal Score After Applying K Operations
MediumArrayGreedyHeap (Priority Queue)
Watch Solutions63.7% acceptance
2531. Make Number of Distinct Characters Equal
MediumCountingHash TableString
Watch Solutions27.5% acceptance
2532. Time to Cross a Bridge
HardArrayHeap (Priority Queue)Simulation
Watch Solutions44.4% acceptance
2533. Number of Good Binary Strings
MediumDynamic Programming
Watch Solutions52.8% acceptance
2534. Time Taken to Cross the Door
HardArrayQueueSimulation
Watch Solutions50.1% acceptance
2535. Difference Between Element Sum and Digit Sum of an Array
EasyArrayMath
Watch Solutions85.3% acceptance
2536. Increment Submatrices by One
MediumArrayMatrixPrefix Sum
Watch Solutions73.8% acceptance
2537. Count the Number of Good Subarrays
MediumArrayHash TableSliding Window
Watch Solutions65.9% acceptance
2539. Count the Number of Good Subsequences
MediumCombinatoricsCountingHash Table
Watch Solutions48.3% acceptance
2540. Minimum Common Value
EasyArrayBinary SearchHash Table
Watch Solutions60.9% acceptance
2541. Minimum Operations to Make Array Equal II
MediumArrayGreedyMath
Watch Solutions33.1% acceptance
2542. Maximum Subsequence Score
MediumArrayGreedyHeap (Priority Queue)
Watch Solutions54.6% acceptance
2546. Apply Bitwise Operations to Make Strings Equal
MediumBit ManipulationString
Watch Solutions42.6% acceptance
2547. Minimum Cost to Split an Array
HardArrayCountingDynamic Programming
Watch Solutions44.8% acceptance
2548. Maximum Price to Fill a Bag
MediumArrayGreedySorting
Watch Solutions64.6% acceptance
2549. Count Distinct Numbers on Board
EasyArrayHash TableMath
Watch Solutions61.7% acceptance
2550. Count Collisions of Monkeys on a Polygon
MediumMathRecursion
Watch Solutions30.0% 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.