FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
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41
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Hard
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2803. Factorial Generator
Easy
Watch Solutions85.8% acceptance
2804. Array Prototype ForEach
Easy
Watch Solutions88.2% acceptance
2822. Inversion of Object
Easy
Watch Solutions58.8% acceptance
2824. Count Pairs Whose Sum is Less than Target
EasyArrayBinary SearchSorting
Watch Solutions87.4% acceptance
2828. Check if a String Is an Acronym of Words
EasyArrayString
Watch Solutions82.8% acceptance
2837. Total Traveled Distance
EasyDatabase
Watch Solutions76.1% acceptance
2839. Check if Strings Can be Made Equal With Operations I
EasyString
Watch Solutions61.8% acceptance
2843. Count Symmetric Integers
EasyEnumerationMath
Watch Solutions83.1% acceptance
2848. Points That Intersect With Cars
EasyArrayHash TablePrefix Sum
Watch Solutions73.4% acceptance
2853. Highest Salaries Difference
EasyDatabase
Watch Solutions73.5% acceptance
2855. Minimum Right Shifts to Sort the Array
EasyArray
Watch Solutions57.6% acceptance
2859. Sum of Values at Indices With K Set Bits
EasyArrayBit Manipulation
Watch Solutions86.0% acceptance
2864. Maximum Odd Binary Number
EasyGreedyMathString
Watch Solutions83.0% acceptance
2869. Minimum Operations to Collect Elements
EasyArrayBit ManipulationHash Table
Watch Solutions62.2% acceptance
2873. Maximum Value of an Ordered Triplet I
EasyArray
Watch Solutions58.2% acceptance
2877. Create a DataFrame from List
Easy
Watch Solutions81.3% acceptance
2878. Get the Size of a DataFrame
Easy
Watch Solutions85.0% acceptance
2879. Display the First Three Rows
Easy
Watch Solutions93.0% acceptance
2880. Select Data
Easy
Watch Solutions79.2% acceptance
2881. Create a New Column
Easy
Watch Solutions90.1% acceptance
2882. Drop Duplicate Rows
Easy
Watch Solutions85.6% acceptance
2883. Drop Missing Data
Easy
Watch Solutions64.1% acceptance
2884. Modify Columns
Easy
Watch Solutions92.2% acceptance
2885. Rename Columns
Easy
Watch Solutions85.4% acceptance
2886. Change Data Type
Easy
Watch Solutions87.3% acceptance
2887. Fill Missing Data
Easy
Watch Solutions72.0% acceptance
2888. Reshape Data: Concatenate
Easy
Watch Solutions90.6% acceptance
2889. Reshape Data: Pivot
Easy
Watch Solutions82.9% acceptance
2890. Reshape Data: Melt
Easy
Watch Solutions86.1% acceptance
2891. Method Chaining
Easy
Watch Solutions76.3% acceptance
2894. Divisible and Non-divisible Sums Difference
EasyMath
Watch Solutions91.0% acceptance
2899. Last Visited Integers
EasyArraySimulation
Watch Solutions62.2% acceptance
2900. Longest Unequal Adjacent Groups Subsequence I
EasyArrayDynamic ProgrammingGreedy
Watch Solutions67.0% acceptance
2903. Find Indices With Index and Value Difference I
EasyArrayTwo Pointers
Watch Solutions60.2% acceptance
2913. Subarrays Distinct Element Sum of Squares I
EasyArrayHash Table
Watch Solutions80.1% acceptance
2923. Find Champion I
EasyArrayMatrix
Watch Solutions73.3% acceptance
2932. Maximum Strong Pair XOR I
EasyArrayBit ManipulationHash Table
Watch Solutions76.0% acceptance
2942. Find Words Containing Character
EasyArrayString
Watch Solutions90.4% acceptance
2946. Matrix Similarity After Cyclic Shifts
EasyArrayMathMatrix
Watch Solutions74.3% acceptance
2956. Find Common Elements Between Two Arrays
EasyArrayHash Table
Watch Solutions84.5% acceptance
2960. Count Tested Devices After Test Operations
EasyArrayCountingSimulation
Watch Solutions78.8% 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.