LeetCode The Hard Way

Bloomberg

1239 problems

ProblemDifficultyFrequency Topics
3341. Find Minimum Time to Reach Last Room IMedium13.5%
ArrayGraph TheoryHeap (Priority Queue)MatrixShortest Path
1642. Furthest Building You Can ReachMedium13.5%
ArrayGreedyHeap (Priority Queue)
1931. Painting a Grid With Three Different ColorsHard13.5%
Dynamic ProgrammingGraph Coloring
2894. Divisible and Non-divisible Sums DifferenceEasy13.5%
Math
2131. Longest Palindrome by Concatenating Two Letter WordsMedium13.5%
ArrayHash TableStringGreedyCounting
Insert into a Binary Search TreeMedium13.5%
TreeBinary Search TreeBinary Tree
1684. Count the Number of Consistent StringsEasy13.5%
ArrayHash TableStringBit ManipulationCounting
3568. Minimum Moves to Clean the ClassroomMedium13.5%
ArrayHash TableBit ManipulationBreadth-First SearchMatrix
3170. Lexicographically Minimum String After Removing StarsMedium13.5%
Hash TableStringStackGreedyHeap (Priority Queue)
2016. Maximum Difference Between Increasing ElementsEasy13.5%
Array
1432. Max Difference You Can Get From Changing an IntegerMedium13.5%
MathGreedy
2966. Divide Array Into Arrays With Max DifferenceMedium13.5%
ArrayGreedySorting
2138. Divide a String Into Groups of Size kEasy13.5%
StringSimulation
3085. Minimum Deletions to Make String K-SpecialMedium13.5%
Hash TableStringGreedySortingCounting
3330. Find the Original Typed String IEasy13.5%
String
1051. Height CheckerEasy13.5%
ArraySortingCounting SortBubble Sort
1991. Find the Middle Index in ArrayEasy13.5%
ArrayPrefix Sum
3151. Special Array IEasy13.5%
Array
1394. Find Lucky Integer in an ArrayEasy13.5%
ArrayHash TableCounting
1865. Finding Pairs With a Certain SumMedium13.5%
ArrayHash TableDesign
3440. Reschedule Meetings for Maximum Free Time IIMedium13.5%
ArrayGreedyEnumeration
Longest Continuous Increasing SubsequenceEasy13.5%
Array
2303. Calculate Amount Paid in TaxesEasy13.5%
ArraySimulation
2483. Minimum Penalty for a ShopMedium13.5%
StringPrefix Sum
3487. Maximum Unique Subarray Sum After DeletionEasy13.5%
ArrayHash TableGreedy
AlgoMonsterVisit ZapplyCertGarden
Your logo here
Become a sponsor
Buy Me A Coffee