FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
19
With Videos
3
Easy
15
Medium
1
Hard
3789. Minimum Cost to Acquire Required Items
MediumGreedyMath
Watch Solutions34.8% acceptance
3811. Number of Alternating XOR Partitions
MediumArrayBit ManipulationDynamic Programming
Watch Solutions27.3% acceptance
3759. Count Elements With at Least K Greater Values
MediumArrayBinary SearchDivide and Conquer
Watch Solutions31.9% acceptance
3784. Minimum Deletion Cost to Make All Characters Equal
MediumArrayEnumerationHash Table
Watch Solutions55.0% acceptance
3839. Number of Prefix Connected Groups
MediumArrayCountingHash Table
Watch Solutions60.5% acceptance
3756. Concatenate Non-Zero Digits and Multiply by Sum II
MediumMathPrefix SumString
Watch Solutions42.7% acceptance
3754. Concatenate Non-Zero Digits and Multiply by Sum I
EasyMath
Watch Solutions66.2% acceptance
3750. Minimum Number of Flips to Reverse Binary String
EasyBit ManipulationMathString
Watch Solutions76.7% acceptance
3828. Final Element After Subarray Deletions
MediumArrayBrainteaserGame Theory
Watch Solutions40.9% acceptance
3740. Minimum Distance Between Three Equal Elements I
EasyArrayHash Table
Watch Solutions73.4% acceptance
3744. Find Kth Character in Expanded String
MediumString
Watch Solutions55.8% acceptance
3748. Count Stable Subarrays
HardArrayBinary SearchPrefix Sum
Watch Solutions33.0% acceptance
3730. Maximum Calories Burnt from Jumps
MediumArrayGreedySorting
Watch Solutions72.2% acceptance
3732. Maximum Product of Three Elements After One Replacement
MediumArrayGreedyMath
Watch Solutions47.8% acceptance
3765. Complete Prime Number
MediumEnumerationMathNumber Theory
Watch Solutions36.9% acceptance
3760. Maximum Substrings With Distinct Start
MediumHash TableString
Watch Solutions91.4% acceptance
3770. Largest Prime from Consecutive Prime Sum
MediumArrayMathNumber Theory
Watch Solutions39.0% acceptance
3711. Maximum Transactions Without Negative Balance
MediumArrayGreedyHeap (Priority Queue)
Watch Solutions46.1% acceptance
3727. Maximum Alternating Sum of Squares
MediumArrayGreedySorting
Watch Solutions61.3% 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.