FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
42
With Videos
10
Easy
22
Medium
10
Hard
2152. Minimum Number of Lines to Cover Points
MediumArrayBacktrackingBit Manipulation
Watch Solutions43.9% acceptance
2153. The Number of Passengers in Each Bus II
HardDatabase
Watch Solutions39.2% acceptance
2154. Keep Multiplying Found Values by Two
EasyArrayHash TableSimulation
Watch Solutions75.1% acceptance
2155. All Divisions With the Highest Score of a Binary Array
MediumArray
Watch Solutions65.5% acceptance
2158. Amount of New Area Painted Each Day
HardArrayOrdered SetSegment Tree
Watch Solutions55.3% acceptance
2159. Order Two Columns Independently
MediumDatabase
Watch Solutions60.5% acceptance
2160. Minimum Sum of Four Digit Number After Splitting Digits
EasyGreedyMathSorting
Watch Solutions86.2% acceptance
2161. Partition Array According to Given Pivot
MediumArraySimulationTwo Pointers
Watch Solutions90.8% acceptance
2163. Minimum Difference in Sums After Removal of Elements
HardArrayDynamic ProgrammingHeap (Priority Queue)
Watch Solutions69.8% acceptance
2164. Sort Even and Odd Indices Independently
EasyArraySorting
Watch Solutions63.2% acceptance
2165. Smallest Value of the Rearranged Number
MediumMathSorting
Watch Solutions53.5% acceptance
2166. Design Bitset
MediumArrayDesignHash Table
Watch Solutions32.7% acceptance
2168. Unique Substrings With Equal Digit Frequency
MediumCountingHash FunctionHash Table
Watch Solutions64.6% acceptance
2169. Count Operations to Obtain Zero
EasyMathSimulation
Watch Solutions79.8% acceptance
2170. Minimum Operations to Make the Array Alternating
MediumArrayCountingGreedy
Watch Solutions35.7% acceptance
2171. Removing Minimum Number of Magic Beans
MediumArrayEnumerationGreedy
Watch Solutions44.5% acceptance
2172. Maximum AND Sum of Array
HardArrayBit ManipulationBitmask
Watch Solutions50.8% acceptance
2173. Longest Winning Streak
HardDatabase
Watch Solutions52.9% acceptance
2174. Remove All Ones With Row and Column Flips II
MediumArrayBit ManipulationBreadth-First Search
Watch Solutions67.2% acceptance
2175. The Change in Global Rankings
MediumDatabase
Watch Solutions60.1% acceptance
2176. Count Equal and Divisible Pairs in an Array
EasyArray
Watch Solutions84.0% acceptance
2177. Find Three Consecutive Integers That Sum to a Given Number
MediumMathSimulation
Watch Solutions65.3% acceptance
2180. Count Integers With Even Digit Sum
EasyMathSimulation
Watch Solutions70.5% acceptance
2181. Merge Nodes in Between Zeros
MediumLinked ListSimulation
Watch Solutions89.8% acceptance
2182. Construct String With Repeat Limit
MediumCountingGreedyHash Table
Watch Solutions70.9% acceptance
2183. Count Array Pairs Divisible by K
HardArrayMathNumber Theory
Watch Solutions30.7% acceptance
2184. Number of Ways to Build Sturdy Brick Wall
MediumArrayBit ManipulationBitmask
Watch Solutions49.2% acceptance
2185. Counting Words With a Given Prefix
EasyArrayStringString Matching
Watch Solutions84.5% acceptance
2186. Minimum Number of Steps to Make Two Strings Anagram II
MediumCountingHash TableString
Watch Solutions72.7% acceptance
2187. Minimum Time to Complete Trips
MediumArrayBinary Search
Watch Solutions39.6% acceptance
2188. Minimum Time to Finish the Race
HardArrayDynamic Programming
Watch Solutions43.4% acceptance
2189. Number of Ways to Build House of Cards
MediumDynamic ProgrammingMath
Watch Solutions62.7% acceptance
2190. Most Frequent Number Following Key In an Array
EasyArrayCountingHash Table
Watch Solutions59.6% acceptance
2191. Sort the Jumbled Numbers
MediumArraySorting
Watch Solutions60.1% acceptance
2192. All Ancestors of a Node in a Directed Acyclic Graph
MediumBreadth-First SearchDepth-First SearchGraph
Watch Solutions62.1% acceptance
2193. Minimum Number of Moves to Make Palindrome
HardBinary Indexed TreeGreedyString
Watch Solutions52.7% acceptance
2194. Cells in a Range on an Excel Sheet
EasyString
Watch Solutions83.9% acceptance
2195. Append K Integers With Minimal Sum
MediumArrayGreedyMath
Watch Solutions26.9% acceptance
2196. Create Binary Tree From Descriptions
MediumArrayBinary TreeHash Table
Watch Solutions83.9% 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
2200. Find All K-Distant Indices in an Array
EasyArrayTwo Pointers
Watch Solutions77.4% 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.