FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
34
With Videos
6
Easy
18
Medium
10
Hard
2901. Longest Unequal Adjacent Groups Subsequence II
MediumArrayDynamic ProgrammingString
Watch Solutions51.4% acceptance
2902. Count of Sub-Multisets With Bounded Sum
HardArrayDynamic ProgrammingHash Table
Watch Solutions22.3% acceptance
2903. Find Indices With Index and Value Difference I
EasyArrayTwo Pointers
Watch Solutions60.2% acceptance
2905. Find Indices With Index and Value Difference II
MediumArrayTwo Pointers
Watch Solutions32.6% acceptance
2906. Construct Product Matrix
MediumArrayMatrixPrefix Sum
Watch Solutions51.7% acceptance
2910. Minimum Number of Groups to Create a Valid Assignment
MediumArrayGreedyHash Table
Watch Solutions25.0% acceptance
2913. Subarrays Distinct Element Sum of Squares I
EasyArrayHash Table
Watch Solutions80.1% acceptance
2914. Minimum Number of Changes to Make Binary String Beautiful
MediumString
Watch Solutions76.4% acceptance
2915. Length of the Longest Subsequence That Sums to Target
MediumArrayDynamic Programming
Watch Solutions40.0% acceptance
2916. Subarrays Distinct Element Sum of Squares II
HardArrayBinary Indexed TreeDynamic Programming
Watch Solutions23.5% acceptance
2918. Minimum Equal Sum of Two Arrays After Replacing Zeros
MediumArrayGreedy
Watch Solutions50.2% acceptance
2919. Minimum Increment Operations to Make Array Beautiful
MediumArrayDynamic Programming
Watch Solutions34.7% acceptance
2920. Maximum Points After Collecting Coins From All Nodes
HardArrayBit ManipulationDepth-First Search
Watch Solutions36.6% acceptance
2921. Maximum Profitable Triplets With Increasing Prices II
HardArrayBinary Indexed TreeSegment Tree
Watch Solutions46.1% acceptance
2922. Market Analysis III
MediumDatabase
Watch Solutions41.1% acceptance
2923. Find Champion I
EasyArrayMatrix
Watch Solutions73.3% acceptance
2924. Find Champion II
MediumGraph
Watch Solutions70.3% acceptance
2925. Maximum Score After Applying Operations on a Tree
MediumDepth-First SearchDynamic ProgrammingTree
Watch Solutions47.2% acceptance
2926. Maximum Balanced Subsequence Sum
HardArrayBinary Indexed TreeBinary Search
Watch Solutions25.8% acceptance
2927. Distribute Candies Among Children III
HardCombinatoricsMath
Watch Solutions57.3% acceptance
2929. Distribute Candies Among Children II
MediumCombinatoricsEnumerationMath
Watch Solutions55.7% acceptance
2930. Number of Strings Which Can Be Rearranged to Contain Substring
MediumCombinatoricsDynamic ProgrammingMath
Watch Solutions57.0% acceptance
2932. Maximum Strong Pair XOR I
EasyArrayBit ManipulationHash Table
Watch Solutions76.0% acceptance
2933. High-Access Employees
MediumArrayHash TableSorting
Watch Solutions47.4% acceptance
2935. Maximum Strong Pair XOR II
HardArrayBit ManipulationHash Table
Watch Solutions32.9% acceptance
2938. Separate Black and White Balls
MediumGreedyStringTwo Pointers
Watch Solutions64.0% acceptance
2939. Maximum Xor Product
MediumBit ManipulationGreedyMath
Watch Solutions30.3% acceptance
2940. Find Building Where Alice and Bob Can Meet
HardArrayBinary Indexed TreeBinary Search
Watch Solutions52.3% acceptance
2942. Find Words Containing Character
EasyArrayString
Watch Solutions90.4% acceptance
2943. Maximize Area of Square Hole in Grid
MediumArraySorting
Watch Solutions61.9% acceptance
2945. Find Maximum Non-decreasing Array Length
HardArrayBinary SearchDynamic Programming
Watch Solutions19.2% acceptance
2946. Matrix Similarity After Cyclic Shifts
EasyArrayMathMatrix
Watch Solutions74.3% acceptance
2949. Count Beautiful Substrings II
HardHash TableMathNumber Theory
Watch Solutions27.5% acceptance
2950. Number of Divisible Substrings
MediumCountingHash TablePrefix Sum
Watch Solutions74.6% 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.