FleetCode
Video Solutions
Watch step-by-step video walkthroughs for DSA problems. Learn from expert explanations.
38
With Videos
0
Easy
38
Medium
0
Hard
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2533. Number of Good Binary Strings
MediumDynamic Programming
Watch Solutions52.8% acceptance
2536. Increment Submatrices by One
MediumArrayMatrixPrefix Sum
Watch Solutions73.8% acceptance
2537. Count the Number of Good Subarrays
MediumArrayHash TableSliding Window
Watch Solutions65.9% acceptance
2539. Count the Number of Good Subsequences
MediumCombinatoricsCountingHash Table
Watch Solutions48.3% acceptance
2541. Minimum Operations to Make Array Equal II
MediumArrayGreedyMath
Watch Solutions33.1% acceptance
2542. Maximum Subsequence Score
MediumArrayGreedyHeap (Priority Queue)
Watch Solutions54.6% acceptance
2546. Apply Bitwise Operations to Make Strings Equal
MediumBit ManipulationString
Watch Solutions42.6% acceptance
2548. Maximum Price to Fill a Bag
MediumArrayGreedySorting
Watch Solutions64.6% acceptance
2550. Count Collisions of Monkeys on a Polygon
MediumMathRecursion
Watch Solutions30.0% acceptance
2554. Maximum Number of Integers to Choose From a Range I
MediumArrayBinary SearchGreedy
Watch Solutions68.0% acceptance
2556. Disconnect Path in a Binary Matrix by at Most One Flip
MediumArrayBreadth-First SearchDepth-First Search
Watch Solutions27.8% acceptance
2557. Maximum Number of Integers to Choose From a Range II
MediumArrayBinary SearchGreedy
Watch Solutions34.9% acceptance
2559. Count Vowel Strings in Ranges
MediumArrayPrefix SumString
Watch Solutions67.8% acceptance
2560. House Robber IV
MediumArrayBinary Search
Watch Solutions64.8% acceptance
2563. Count the Number of Fair Pairs
MediumArrayBinary SearchSorting
Watch Solutions52.7% acceptance
2567. Minimum Score by Changing Two Elements
MediumArrayGreedySorting
Watch Solutions49.8% acceptance
2571. Minimum Operations to Reduce an Integer to 0
MediumBit ManipulationDynamic ProgrammingGreedy
Watch Solutions62.9% acceptance
2572. Count the Number of Square-Free Subsets
MediumArrayBit ManipulationBitmask
Watch Solutions26.5% acceptance
2575. Find the Divisibility Array of a String
MediumArrayMathString
Watch Solutions36.5% acceptance
2579. Count Total Number of Colored Cells
MediumMath
Watch Solutions66.1% acceptance
2580. Count Ways to Group Overlapping Ranges
MediumArraySorting
Watch Solutions39.1% acceptance
2583. Kth Largest Sum in a Binary Tree
MediumBinary TreeBreadth-First SearchSorting
Watch Solutions59.4% acceptance
2592. Maximize Greatness of an Array
MediumArrayGreedySorting
Watch Solutions62.0% acceptance
2593. Find Score of an Array After Marking All Elements
MediumArrayHash TableHeap (Priority Queue)
Watch Solutions64.5% acceptance
2594. Minimum Time to Repair Cars
MediumArrayBinary Search
Watch Solutions59.6% acceptance
2597. The Number of Beautiful Subsets
MediumArrayBacktrackingCombinatorics
Watch Solutions50.9% acceptance
2598. Smallest Missing Non-negative Integer After Operations
MediumArrayGreedyHash Table
Watch Solutions56.0% acceptance
2599. Make the Prefix Sum Non-negative
MediumArrayGreedyHeap (Priority Queue)
Watch Solutions51.9% acceptance
2601. Prime Subtraction Operation
MediumArrayBinary SearchGreedy
Watch Solutions55.9% acceptance
2610. Convert an Array Into a 2D Array With Conditions
MediumArrayHash Table
Watch Solutions86.1% acceptance
2611. Mice and Cheese
MediumArrayGreedyHeap (Priority Queue)
Watch Solutions48.6% acceptance
2615. Sum of Distances
MediumArrayHash TablePrefix Sum
Watch Solutions50.2% acceptance
2616. Minimize the Maximum Difference of Pairs
MediumArrayBinary SearchGreedy
Watch Solutions50.9% acceptance
2618. Check if Object Instance of Class
Medium
Watch Solutions27.7% acceptance
2622. Cache With Time Limit
Medium
Watch Solutions75.1% acceptance
2623. Memoize
Medium
Watch Solutions63.0% acceptance
2624. Snail Traversal
Medium
Watch Solutions66.0% acceptance
2625. Flatten Deeply Nested Array
Medium
Watch Solutions63.7% 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.