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Video Solutions

Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.

39
With Videos
16
Easy
15
Medium
8
Hard

Filter by Difficulty

Browse video solutions by difficulty level

2701. Consecutive Transactions with Increasing Amounts

HardDatabase
Watch Solutions33.0% acceptance

2702. Minimum Operations to Make Numbers Non-positive

HardArrayBinary Search
Watch Solutions44.1% acceptance

2703. Return Length of Arguments Passed

Easy
Watch Solutions94.4% acceptance

2704. To Be Or Not To Be

Easy
Watch Solutions62.6% acceptance

2705. Compact Object

Medium
Watch Solutions65.8% acceptance

2706. Buy Two Chocolates

EasyArrayGreedySorting
Watch Solutions68.3% acceptance

2707. Extra Characters in a String

MediumArrayDynamic ProgrammingHash Table
Watch Solutions57.4% acceptance

2708. Maximum Strength of a Group

MediumArrayBacktrackingBit Manipulation
Watch Solutions25.6% acceptance

2709. Greatest Common Divisor Traversal

HardArrayMathNumber Theory
Watch Solutions41.6% acceptance

2710. Remove Trailing Zeros From a String

EasyString
Watch Solutions79.5% acceptance

2712. Minimum Cost to Make All Characters Equal

MediumDynamic ProgrammingGreedyString
Watch Solutions54.3% acceptance

2713. Maximum Strictly Increasing Cells in a Matrix

HardArrayBinary SearchDynamic Programming
Watch Solutions31.3% acceptance

2714. Find Shortest Path with K Hops

HardGraphHeap (Priority Queue)Shortest Path
Watch Solutions68.7% acceptance

2715. Timeout Cancellation

Easy
Watch Solutions89.1% acceptance

2716. Minimize String Length

EasyHash TableString
Watch Solutions79.6% acceptance

2717. Semi-Ordered Permutation

EasyArraySimulation
Watch Solutions64.2% acceptance

2719. Count of Integers

HardDynamic ProgrammingMathString
Watch Solutions38.9% acceptance

2720. Popularity Percentage

HardDatabase
Watch Solutions52.8% acceptance

2721. Execute Asynchronous Functions in Parallel

Medium
Watch Solutions76.0% acceptance

2722. Join Two Arrays by ID

Medium
Watch Solutions55.4% acceptance

2723. Add Two Promises

Easy
Watch Solutions91.5% acceptance

2724. Sort By

Easy
Watch Solutions82.8% acceptance

2725. Interval Cancellation

Easy
Watch Solutions82.3% acceptance

2726. Calculator with Method Chaining

Easy
Watch Solutions76.2% acceptance

2727. Is Object Empty

Easy
Watch Solutions80.8% acceptance

2728. Count Houses in a Circular Street

EasyArrayInteractive
Watch Solutions86.1% acceptance

2729. Check if The Number is Fascinating

EasyHash TableMath
Watch Solutions53.0% acceptance

2731. Movement of Robots

MediumArrayBrainteaserPrefix Sum
Watch Solutions28.1% acceptance

2733. Neither Minimum nor Maximum

EasyArraySorting
Watch Solutions76.2% acceptance

2734. Lexicographically Smallest String After Substring Operation

MediumGreedyString
Watch Solutions35.2% acceptance

2737. Find the Closest Marked Node

MediumArrayGraphHeap (Priority Queue)
Watch Solutions65.4% acceptance

2738. Count Occurrences in Text

MediumDatabase
Watch Solutions55.6% acceptance

2740. Find the Value of the Partition

MediumArraySorting
Watch Solutions64.9% acceptance

2741. Special Permutations

MediumArrayBit ManipulationBitmask
Watch Solutions29.4% acceptance

2742. Painting the Walls

HardArrayDynamic Programming
Watch Solutions49.0% acceptance

2743. Count Substrings Without Repeating Character

MediumHash TableSliding WindowString
Watch Solutions75.9% acceptance

2744. Find Maximum Number of String Pairs

EasyArrayHash TableSimulation
Watch Solutions82.4% acceptance

2749. Minimum Operations to Make the Integer Zero

MediumBit ManipulationBrainteaser
Watch Solutions58.2% acceptance

2750. Ways to Split Array Into Good Subarrays

MediumArrayDynamic ProgrammingMath
Watch Solutions34.9% acceptance
Page 55 of 81

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.