FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
39
With Videos
13
Easy
19
Medium
7
Hard
1551. Minimum Operations to Make Array Equal
MediumMath
Watch Solutions82.8% acceptance
1553. Minimum Number of Days to Eat N Oranges
HardDynamic ProgrammingMemoization
Watch Solutions36.2% acceptance
1554. Strings Differ by One Character
MediumHash FunctionHash TableRolling Hash
Watch Solutions40.0% acceptance
1555. Bank Account Summary
MediumDatabase
Watch Solutions51.5% acceptance
1556. Thousand Separator
EasyString
Watch Solutions53.7% acceptance
1557. Minimum Number of Vertices to Reach All Nodes
MediumGraph
Watch Solutions81.6% acceptance
1558. Minimum Numbers of Function Calls to Make Target Array
MediumArrayBit ManipulationGreedy
Watch Solutions62.9% acceptance
1559. Detect Cycles in 2D Grid
MediumArrayBreadth-First SearchDepth-First Search
Watch Solutions63.2% acceptance
1560. Most Visited Sector in a Circular Track
EasyArraySimulation
Watch Solutions59.9% acceptance
1562. Find Latest Group of Size M
MediumArrayBinary SearchHash Table
Watch Solutions43.8% acceptance
1565. Unique Orders and Customers Per Month
EasyDatabase
Watch Solutions82.1% acceptance
1566. Detect Pattern of Length M Repeated K or More Times
EasyArrayEnumeration
Watch Solutions43.9% acceptance
1567. Maximum Length of Subarray With Positive Product
MediumArrayDynamic ProgrammingGreedy
Watch Solutions44.3% acceptance
1568. Minimum Number of Days to Disconnect Island
HardArrayBreadth-First SearchDepth-First Search
Watch Solutions58.8% acceptance
1569. Number of Ways to Reorder Array to Get Same BST
HardArrayBinary Search TreeBinary Tree
Watch Solutions54.0% acceptance
1570. Dot Product of Two Sparse Vectors
MediumArrayDesignHash Table
Watch Solutions89.9% acceptance
1571. Warehouse Manager
EasyDatabase
Watch Solutions87.5% acceptance
1572. Matrix Diagonal Sum
EasyArrayMatrix
Watch Solutions84.2% acceptance
1573. Number of Ways to Split a String
MediumMathString
Watch Solutions34.6% acceptance
1574. Shortest Subarray to be Removed to Make Array Sorted
MediumArrayBinary SearchMonotonic Stack
Watch Solutions51.2% acceptance
1575. Count All Possible Routes
HardArrayDynamic ProgrammingMemoization
Watch Solutions65.1% acceptance
1576. Replace All ?'s to Avoid Consecutive Repeating Characters
EasyString
Watch Solutions45.7% acceptance
1578. Minimum Time to Make Rope Colorful
MediumArrayDynamic ProgrammingGreedy
Watch Solutions65.2% acceptance
1579. Remove Max Number of Edges to Keep Graph Fully Traversable
HardGraphUnion Find
Watch Solutions70.1% acceptance
1581. Customer Who Visited but Did Not Make Any Transactions
EasyDatabase
Watch Solutions67.7% acceptance
1582. Special Positions in a Binary Matrix
EasyArrayMatrix
Watch Solutions72.6% acceptance
1583. Count Unhappy Friends
MediumArraySimulation
Watch Solutions62.6% acceptance
1586. Binary Search Tree Iterator II
MediumBinary Search TreeBinary TreeDesign
Watch Solutions63.4% acceptance
1587. Bank Account Summary II
EasyDatabase
Watch Solutions83.4% acceptance
1588. Sum of All Odd Length Subarrays
EasyArrayMathPrefix Sum
Watch Solutions84.0% acceptance
1589. Maximum Sum Obtained of Any Permutation
MediumArrayGreedyPrefix Sum
Watch Solutions41.1% acceptance
1590. Make Sum Divisible by P
MediumArrayHash TablePrefix Sum
Watch Solutions42.6% acceptance
1592. Rearrange Spaces Between Words
EasyString
Watch Solutions43.9% acceptance
1594. Maximum Non Negative Product in a Matrix
MediumArrayDynamic ProgrammingMatrix
Watch Solutions51.5% acceptance
1595. Minimum Cost to Connect Two Groups of Points
HardArrayBit ManipulationBitmask
Watch Solutions50.3% acceptance
1596. The Most Frequently Ordered Products for Each Customer
MediumDatabase
Watch Solutions78.3% acceptance
1597. Build Binary Expression Tree From Infix Expression
HardBinary TreeStackString
Watch Solutions62.5% acceptance
1598. Crawler Log Folder
EasyArrayStackString
Watch Solutions71.7% acceptance
1599. Maximum Profit of Operating a Centennial Wheel
MediumArraySimulation
Watch Solutions44.6% 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.