FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
38
With Videos
10
Easy
20
Medium
8
Hard
2955. Number of Same-End Substrings
MediumArrayCountingHash Table
Watch Solutions61.6% acceptance
2956. Find Common Elements Between Two Arrays
EasyArrayHash Table
Watch Solutions84.5% acceptance
2957. Remove Adjacent Almost-Equal Characters
MediumDynamic ProgrammingGreedyString
Watch Solutions53.6% acceptance
2960. Count Tested Devices After Test Operations
EasyArrayCountingSimulation
Watch Solutions78.8% acceptance
2961. Double Modular Exponentiation
MediumArrayMathSimulation
Watch Solutions47.9% acceptance
2962. Count Subarrays Where Max Element Appears at Least K Times
MediumArraySliding Window
Watch Solutions62.4% acceptance
2964. Number of Divisible Triplet Sums
MediumArrayHash Table
Watch Solutions67.5% acceptance
2965. Find Missing and Repeated Values
EasyArrayHash TableMath
Watch Solutions83.2% acceptance
2966. Divide Array Into Arrays With Max Difference
MediumArrayGreedySorting
Watch Solutions79.0% acceptance
2967. Minimum Cost to Make Array Equalindromic
MediumArrayBinary SearchGreedy
Watch Solutions23.4% acceptance
2968. Apply Operations to Maximize Frequency Score
HardArrayBinary SearchPrefix Sum
Watch Solutions39.3% acceptance
2969. Minimum Number of Coins for Fruits II
HardArrayDynamic ProgrammingHeap (Priority Queue)
Watch Solutions48.2% acceptance
2970. Count the Number of Incremovable Subarrays I
EasyArrayBinary SearchEnumeration
Watch Solutions56.9% acceptance
2971. Find Polygon With the Largest Perimeter
MediumArrayGreedyPrefix Sum
Watch Solutions65.7% acceptance
2973. Find Number of Coins to Place in Tree Nodes
HardDepth-First SearchDynamic ProgrammingHeap (Priority Queue)
Watch Solutions37.4% acceptance
2974. Minimum Number Game
EasyArrayHeap (Priority Queue)Simulation
Watch Solutions85.5% acceptance
2975. Maximum Square Area by Removing Fences From a Field
MediumArrayEnumerationHash Table
Watch Solutions49.5% acceptance
2976. Minimum Cost to Convert String I
MediumArrayGraphShortest Path
Watch Solutions63.2% acceptance
2978. Symmetric Coordinates
MediumDatabase
Watch Solutions40.8% acceptance
2979. Most Expensive Item That Can Not Be Bought
MediumDynamic ProgrammingMathNumber Theory
Watch Solutions80.2% acceptance
2980. Check if Bitwise OR Has Trailing Zeros
EasyArrayBit Manipulation
Watch Solutions71.2% acceptance
2981. Find Longest Special Substring That Occurs Thrice I
MediumBinary SearchCountingHash Table
Watch Solutions61.9% acceptance
2982. Find Longest Special Substring That Occurs Thrice II
MediumBinary SearchCountingHash Table
Watch Solutions39.2% acceptance
2983. Palindrome Rearrangement Queries
HardHash TablePrefix SumString
Watch Solutions25.1% acceptance
2984. Find Peak Calling Hours for Each City
MediumDatabase
Watch Solutions61.1% acceptance
2985. Calculate Compressed Mean
EasyDatabase
Watch Solutions88.0% acceptance
2986. Find Third Transaction
MediumDatabase
Watch Solutions53.0% acceptance
2987. Find Expensive Cities
EasyDatabase
Watch Solutions79.6% acceptance
2988. Manager of the Largest Department
MediumDatabase
Watch Solutions79.4% acceptance
2989. Class Performance
MediumDatabase
Watch Solutions89.9% acceptance
2990. Loan Types
EasyDatabase
Watch Solutions63.2% acceptance
2991. Top Three Wineries
HardDatabase
Watch Solutions55.8% acceptance
2992. Number of Self-Divisible Permutations
MediumArrayBacktrackingBit Manipulation
Watch Solutions72.0% acceptance
2993. Friday Purchases I
MediumDatabase
Watch Solutions79.1% acceptance
2994. Friday Purchases II
HardDatabase
Watch Solutions74.6% acceptance
2995. Viewers Turned Streamers
HardDatabase
Watch Solutions43.4% acceptance
2999. Count the Number of Powerful Integers
HardDynamic ProgrammingMathString
Watch Solutions46.3% acceptance
3000. Maximum Area of Longest Diagonal Rectangle
EasyArray
Watch Solutions45.9% 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.