LeetCode solutions

My solutions to various problems on LeetCode. Solutions are written in Java. They are divided into various sections. Individual details of a problem are given in their respective sections. Here is my leetcode profile link.

Solutions

Solutions are grouped by its type and in most cases has a leetcode link associated to it. This is generated using the readme generator util.

Arrays

Solution	Leetcode Link
3Sum	-
3SumClosest	Link
3SumMulti	Link
AlertUsingSameKeycard	Link
AllBinaryCodes	Link
AntOnTheBoundary	Link
ArrayOfDoubledPairs	Link
ArrayPairSum	Link
ArrayTo2DArrayWithConditions	Link
AsFarFromLandAsPossible	Link
AssignCookies	Link
AverageWaitingTime	Link
BagOfTokens	Link
BestTimeToBuyOrSellStocks2	Link
BinarySubarraysWithSum	Link
BoatSavePeople	-
BoatsToSavePeople	Link
Candy	Link
CanJump	Link
CanPlaceFlowers	Link
CapacityToShipPackageWithinDDays	Link
CarPooling	Link
CombinationSum	Link
CombinationSum3	Link
ContainsDuplicates	-
ContainsNearbyDuplicates	Link
ContiguousArray	Link
ContinuousSubarraySum	Link
ConvertTo2DArrayWithConditions	Link
CorporateFlightBookings	Link
CountDistinctIntegersAfterReverseOperations	Link
CountElementsWithMaximumFrequency	Link
CountNumberOfFairPairs	Link
DecompressRunLengthEncodedList	Link
DetermineTheWinnerOfBowlingGame	Link
DiagonalTraverse2	Link
DisplayTableOfFoodOrdersInRestaurant	Link
DivideArrayInSetsOfKConsecturiveNumber	Link
DivideArrayIntoArraysWithMaxDifference	Link
DividePlayersIntoTeamsOfEqualSkill	Link
Dota2Senate	Link
EarliestPossibleDayOfFullBloom	Link
EmployeeImportance	Link
EqualRowAndColumnPairs	Link
FindAllDuplicatesInArray	Link
FindDisappearedNumbers	Link
FindEvenNumber	Link
FindFirstAndLastElementsInSortedArray	Link
FindIfArrayCanBeSorted	Link
FindInMountainArray	Link
FindKPairsWithSmallestSum	Link
FindMissingAndRepeatedValues	Link
FindOriginalFromDoubledArray	Link
FindPeakElement	Link
FindPivotIndex	Link
FindPlayersWithZeroOrOneLosses	Link
FindScoreOfAnArrayAfterMarkingAllElements	Link
FindSmallestDivisorGivenThreshold	Link
FindTheDifferenceOfTwoArrays	Link
FindTheMiddleIndexInArray	Link
FindThePeaks	Link
FirstCompletelyPaintedRowOrColumn	Link
FruitsIntoBasket	Link
GameOfLife	Link
GasStation	Link
GroupPeople	Link
GroupThePeopleGivenTheGroupSizeTheyBelongTo	Link
HandOfStraights	Link
HighestAltitude	Link
HIndex	Link
HIndex2	Link
IncreasingTripletSubsequence	Link
IntersectionOf2Arrays	Link
IntersectionOf2Arrays2	Link
JumpGame2	Link
KDivisibleElementsInSubarrays	Link
KidsWithTheGreatestNumberOfCandies	Link
KokoEatingBananas	Link
KRadiusSubarrayAverages	Link
KthElementInSortedMatrix	-
KthLargestElementInStream	Link
KthSmallestPrimeFraction	Link
KthSmallestTrimmedNumber	Link
KWeakestRowsInAMatrix.kt	Link
LargestNumber	Link
LargestNumberAtleastTwiceOfOthers	Link
LargestValuesFromLabels	Link
LastStoneWeight	Link
LeastNumberOfUniqueIntegersAfterKRemovals	Link
LemonadeChange	Link
LongestSubarrayOf1sAfterDeletingOneElement	Link
LongestSubsequenceWithLimitedSum	Link
LongestValidObstacleAtEachPosition	Link
MajorityElement	Link
MaxConsecutiveOnes3	Link
MaximizeTheConfusionOfAnExam	Link
MaximumBagsWithFullCapacityRocks	Link
MaximumEqualFrequency	Link
MaximumIcecreamBars	Link
MaximumLengthOfPairChain	Link
MaximumLengthOfRepeatedSubarray	Link
MaximumNumberOfCoinsYouCanGet	Link
MaximumNumberOfGroupsEnteringACompetition	Link
MaximumNumberOfPairsInArray	Link
MaximumPairSumInArray	Link
MaximumProduct	-
MaximumSwaps	Link
MaxIncreaseToKeepCitySkylineSame	Link
MaxNumberOfKSumPairs	Link
MedianOf2SortedArrays	Link
MergeSortedArrays	-
MergeTriplets	Link
MinCostToMoveChips	-
MinFunctionCallsToMakeTargetArray	Link
MinimizeMaximumOfArray	Link
MinimizeMaximumPairSumInArray	Link
MinimumAmountOfTimeToCollectGarbage	Link
MinimumAverageDifference	Link
MinimumCommonValue	Link
MinimumCostToMakeArrayEqual	Link
MinimumInRotatedSortedArray	Link
MinimumNumberGame	Link
MinimumOperationsToMakeArrayEqual	Link
MinimumOperationsToReduceXToZero	Link
MinimumOperationsToReInitPermutation	Link
MinimumPenaltyForAShop	Link
MinimumReplacementsToSortArray	Link
MinimumRoundsToCompleteAllTasks	Link
MinimumSizeSubarraySum	-
MinimumTimeToCompleteTrips	Link
MinimumWindowSubstring	Link
MinMovesToMakeArrayZigzag	Link
MinOperationsToMakeArrayIncreasing	Link
MinOperationsToMoveAllBallsToEachBox	Link
MissingNumber	Link
ModifyTheMatrix	Link
MostFrequentEvenElement	Link
MostPopularVideoCreator	Link
NamingACompany	Link
NextGreaterElement	Link
NextGreaterElement2	Link
NonDecreasingArray	Link
NonDecreasingSubsequences	Link
NumberOfAdjacentElementsWithSameColor	Link
NumberOfArithmeticTriplets	Link
NumberOfFlowersInFullBloom	Link
NumberOfGoodPairs	Link
NumberOfIncreasingPathsInAGrid	Link
NumberOfLaserBeams	Link
NumberOfLinesToWriteString	Link
NumberOfSubmatricesThatSumToTarget	Link
NumberOfSubsequencesThatSatisyTheGivenSumCondition	Link
NumberOfWaysToDivideLongCorridor	Link
NumberOfZeroFilledSubArrays	Link
NumbersWithSameConsecutiveDifferences	Link
NumFriendRequests	-
PairOfSongsWithTotalDurationDivisibleBy60	Link
PartitionArraySuchThatMaximumDifferenceIsK	Link
PeakIndexInMountainArray	Link
Permutations	Link
PrefixCommonArrayOf2Arrays	Link
ProductOfArrayExceptSelf	Link
QueriesOnPermutationWithKey	Link
RandomizedSet	Link
RandomizedSetDuplicates	Link
RandomPickWithBlacklist	-
RangeFrequencyQueries	Link
RangeSumOfSortedSubArraySums	Link
RangeSumQuery	Link
RangeSumQuery2DImmutable	Link
RearrangeArrayElementsBySign	Link
ReducingDishes	Link
ReductionOperationsToMakeArrayElementsEqual	Link
RelativeRanks	Link
RemoveCoveredIntervals	Link
RemoveDuplicatesFromSortedArray	Link
ReorderedPowerOf2	Link
ReplaceElementsInArray	Link
ReshapeMatrix	-
RingsAndRods	Link
RLEIterator	Link
RotateArray	-
RotatedBinarySearch	-
RotateImage	Link
ScoreOfAllPrefixesOfAnArray	Link
Search2DMatrix	Link
Search2DMatrix2	Link
SearchInsertPosition	Link
SearchRange	Link
SetMatrixZeroes	-
SetMismatch	Link
ShiftGrid	-
ShuffleTheArray	Link
SingleNumber2	Link
SingleNumber3	Link
SmallestInfiniteSet	Link
SortByParity	Link
sorting	-
SortMatrixDiagonally	Link
SortPeople.kt	Link
SortStudentsByTheirKthScore	Link
SortTheJumbledNumbers	Link
SpiralMatrix	-
SpiralMatrix2	Link
SquaresOfASortedArray	Link
StackWithIncrement	Link
SubarraySumDivisibleByK	Link
SubArraySumEqualsK	Link
SuccessfulPairsOfSpellsAndPotions	Link
SumAfterEvenQueries	Link
SumInAMatrix	Link
SummaryRanges	Link
SumOfAbsoluteDifferencesInSortedArray	Link
SumOfSubarrayMinimums	Link
SumOfSubarrayRanges	Link
TargetIndices	-
TeemoAttacking	Link
ThirdMax	Link
TimeMap	Link
TopKFrequentElements	Link
TransposeMatrix	Link
TrappingRainWater	Link
Triangle	-
TripletPermutation	-
UniqueNumberOfOccurences	Link
UniquePaths3	-
UserActivityMinutes	Link
WaysToMakeFairArray	Link
WinnerOfAnArrayGame	Link
Total	229

Backtracking

Solution	Leetcode Link
BeautifulArrangement	Link
ClosestDessertCost	Link
Combinations	Link
FairDistributionOfCookies	Link
GrayCode	Link
LetterCombinationOfPhoneNumber	Link
MaximizeScoreAfterNOperations	Link
MaximumCompatibilityScoreSum	Link
MaximumLengthOfConcatenatedStringWithUniqueCharacters	Link
MaximumNumberOfAchievableTransferRequests	Link
MaximumScoreWordsFormedByLetters	Link
NQueens	Link
NQueens2	Link
Subsets2	Link
Total	14

Bit Manipulation

Solution	Leetcode Link
Bitset	Link
BitwiseAndOfNumberRange	Link
CountBits	Link
LargestCombinationWithBitwiseANDGreaterThanZero	Link
MinimumFlipsToMakeAOrBEqualToC	Link
ReverseBits	Link
Total	6

Concurrency

Solution	Leetcode Link
PrintInOrder	Link
Total	1

Design

Solution	Leetcode Link
ApplyDesignEveryNOrders	Link
DesignAnOrderedStream	Link
DesignFacebook	-
DesignMemoryAllocator	Link
DesignParkingSystem	Link
DesignUndergroundSystem	Link
FrequencyTracker	Link
IteratorForCombination	Link
LongestUploadedPrefix	Link
Total	9

Dp

Solution	Leetcode Link
AllPossibleFBT	-
ArithmeticSlices	Link
ArithmeticSlices2	Link
BestTimeToBuyAndSellStockWithCooldown	Link
BestTimeToBuyAndSellStockWIthTransactionFee	Link
BuildArrayWhereYouCanFindTheMaximumExactlyKComparisons	Link
ChampagneTower	Link
CheapestFlightsWithinKStops	Link
CherryPickup2	-
ClimbingStairs	Link
CoinChange	-
CoinChange2	-
CombinationSum4	Link
CounSubstringsThatDifferByOne	Link
CountAllPossibleRoutes	Link
CountingBits	-
CountNumberOfSpecialSubsequences	Link
CountVowelStrings	-
CountWaysToBuildGoodStrings	Link
DecodeWays	Link
ExtraCharactersInAString	Link
FindMaxInGeneratedArray	-
FrogJump	Link
HouseRobber	Link
HouseRobberCircular	Link
HouseRobberIII	Link
IntegerBreak	-
InterleavingString	Link
JumpGame	-
JumpGame2	-
KInversePairsArray	Link
KnightDialer	Link
LargestDivisibleSubset	Link
LargestSumOfAverages	Link
LongestCommonSubequence	Link
LongestIncreasingPathInAMatrix	Link
LongestIncreasingSubsequence	Link
LongestPalindromicSubsequence	Link
LongestStringChain	Link
MaximumAbsoluteSumOfAnySubarray	Link
MaximumDotProductOf2Subsequences	Link
MaximumEarningsFromTaxi	Link
MaximumProductSubarray	-
MaximumProfitInJobScheduling	Link
MaximumSumCircularSubArray	Link
MaximumValueOfKCoinsFromPiles	Link
MinCostClimbingStairs	Link
MinimumCostForTickets	Link
MinimumCostToCutAStick	Link
MinimumFallingPathSum	Link
MinimumFallingPathSum2	Link
MinimumInsertionStepsToMakeStringPalindrome	Link
MinimumTimeToMakeRopeColorful	Link
MinPathSum	Link
MinSteps	Link
NumberOfArithmeticSlices	Link
NumberOfWaysToFormATargetStringGivenADictionary	Link
NumberOfWaysToStayInSamePlaceAfterSomeSteps	Link
NumOfTeams	Link
OutOfBoundaryPaths	Link
PartitionArrayForMaximumSum	Link
PartitionEqualSubsetSum	Link
PathsInMatrixWhoseSumIsDivisibleByK	Link
ProfitableSchemes	Link
RestoreTheArray	Link
SolvingQuestionsWithBrainPower	Link
StoneGame	Link
StoneGame3	Link
StudentAttendanceRecord2	Link
TargetSum	Link
Triangle	Link
UncrossedLines	Link
UniquePaths	Link
UniquePaths2	Link
Total	74

Graph

Solution	Leetcode Link
AllAncestorsOfNodesInDAG	Link
AllOne	Link
AllPathsFromSourceToTarget	Link
CenterOfStarGraph	Link
CloneGraph	Link
CourseSchedule	Link
CourseSchedule2	Link
CourseSchedule4	Link
DetonateMaximumBombs	Link
EvaluateDivision	Link
FindIfPathExistsInGraph	Link
FindTheTownJudge	Link
FlowerPlanting	Link
HasValidPath	Link
IsBipartite	Link
IslandPerimeter	Link
KeysAndRooms	Link
LargestColorValueInADirectedGraph	Link
LongestCycleInAGraph	Link
LongestPathWithDifferentAdjacentCharacters	Link
LoudAndRich	Link
MaximalNetworkRank	Link
MaxTotalImportanceOfRoads	Link
MinimumGeneticMutation	Link
MinimumNoVerticesToReachAllNodes	Link
MinimumTimeToCollectAllApples	Link
NumberOfNodesInSubtreeWithSameLabels	Link
PathWithMaximumProbability	Link
PathWithMinimumEffort	Link
ReconstructItinerary	Link
RedundantConnections	Link
RegionsCutBySlashes	Link
ReorderRoutes	Link
RestoreTheArrayFromAdjacentPairs	Link
SatisfiabilityOfEquations	Link
ShortestBridge	Link
ShortestPathInABinaryGraph	Link
ShortestPathVisitingAllNodes	Link
TimeNeededToInform	Link
Total	39

Heap

Solution	Leetcode Link
DistantBarcodes	Link
FarthestBuildingYouCanReach	Link
FoodRatings	Link
LargestNumberAfterSwapByParity	Link
MaximumProductsAfterKIncrements	Link
MaxScoreFromRemovingStones	Link
MaxSubsequence	Link
MeetingRooms3	Link
MinimumDeviationInArray	Link
MinimumOperationsToHaveHalfArraySum	Link
MinStones	Link
NumberContainerSystem	Link
ReduceArrayToHalf	Link
ReorganizeStrings	Link
SeatReservation	Link
SlidingWindowMaximum	Link
StoneGame6	Link
TaskScheduler	Link
TotalCostToHireKWorkers	Link
Total	19

Linked List

Solution	Leetcode Link
CopyListWithRandomPointer	Link
DeleteDuplicates	Link
DeleteDuplicatesFromSortedList	Link
DeleteNode	Link
FlattenMultilevelDoublyLinkedList	Link
IntersectionOfLinkedLists	Link
LinkedListCycle	Link
MaximumTwinSumOfALinkedList	Link
MergeInBetweenLinkedLists	Link
MergeKSortedLists	Link
MergeNodesBetweenZeroes	Link
MiddleOfLinkedList	Link
NextGreaterNodeInLinkedList	Link
PalindromeLinkedList	Link
PartitionList	Link
RemoveNthNodeFromEnd	Link
RemoveZeroSumConsecutiveNodesFromLinkedList	Link
ReorderList	Link
ReverseList	Link
ReverseList2	-
ReverseNodesInKGroup	Link
RotateRight	Link
SplitLinkedListInParts	Link
SwapNodeInPairs	Link
SwapNodes	Link
Total	25

Logic

Solution	Leetcode Link
ConsecutiveNumbersFromStream	Link
DayOfWeek	-
MaxArea	Link
RandomPickNumbers	Link
Total	4

Math

Solution	Leetcode Link
AddBinary	Link
AddDigits	Link
AddToArrayFormOfIntegers	Link
AlternatingDigitSum	Link
AppendKIntegersWithMinimalSum	Link
ArithmeticSubarrays	Link
AverageSalaryExcludingMinAndMax	Link
BulbSwitcher	Link
CalculateMoneyInLeetcodeBank	Link
CheckIfItIsAStraightLine	Link
CheckPowersOf3	Link
CheckStraightLine	Link
ClumsyFactorial	Link
ConcatenationOfConsecutiveBinaryNumbers	Link
ConvertANumberToHexadecimal	Link
ConvertTheTemperature	Link
CountAllValidPickupAndDeliveryOptions	Link
CountOddNumberInIntervalRange	Link
CountTotalNumberOfColoredCells	Link
DetermineTheMinimumSumOfKAvoidingArray	Link
DistintPrimeFactorsOfProductOfArray	Link
Divide2Nums	-
EqualRationalNumbers	Link
FindMedianFromDataStream	Link
FindMissingObservations	Link
FindTheMinimumPossibleSumOfBeautifulArray	Link
FindThePivotInteger	Link
FindThePolygonWithLargestPerimeter	Link
FourDivisors	Link
FractionAdditionAndSubtraction	Link
InfinityArea	-
IntegerToRoman	Link
IsPowerOfThree	Link
IsStrictlyPalindromic	Link
KnightProbabilityInChessBoard	Link
LargestPalindromicNumber	Link
LargestPerimeterTriangle	Link
LargestTriangleArea	Link
MatrixDiagonalSum	Link
MaxCoinsGot	Link
MaximumOddBinaryNumber	Link
MaximumSplitOfPositiveEvenIntegers	Link
MaximumSumWithExactlyKElements	Link
MaximumTrailingZerosInACorneredPath	Link
MaximumValueAfterInsertion	Link
MaxPointsOnALine	Link
MinimumDeletionsToMakeArrayDivisible	Link
MinimumNumberOfFibonacciNumberWithSumK	Link
MinimumSpeedToArriveOnTime	Link
NextGreaterElement3	Link
NthDigit	Link
NthTribonacciNumber	Link
NumberOfBoomerangs	Link
NumberOfMatches	Link
Pascal2	Link
PascalsTriangle	Link
PerfectSquares	Link
PermutationSequence	Link
PowXN	Link
PreimageSizeOfFactorialZeroesFunction	Link
PrimeInDiagonal	Link
PrimeSubtractionOperation	Link
PunishmentOfAnInteger	Link
RangeAddition2	Link
SellDiminishingValueOfColoredBalls	Link
SequentialDigits	Link
SignOfTheProductOfAnArray	Link
SimplifiedFractions	Link
SmallestEvenMultiple	Link
SmallestValueOfRearrangedNumber	Link
StatisticsFromALargeSample	Link
SumOfFlooredPairs	Link
SumOfNumbersAndReverse	Link
SumOfNumbersWithUnitDigitsK	Link
SuperPalindrome	-
ValidBoomerang	Link
ValidSquare	Link
WidestVerticalAreaBetween2Points	Link
Total	78

Numbers

Solution	Leetcode Link
AddWithoutArithmeticOperation	Link
BrokenCalc	Link
ConstructRectangle	Link
CountGoodNumbers	Link
GuessGame	-
LexicalOrder	Link
MinimumSumOfFourDigit	Link
NimGame	Link
RotatedDigits	Link
Ugly	Link
Total	10

Pandas

Solution	Leetcode Link
nth_highest_salary.py	Link
second_highest_salary.py	Link
Total	2

Queue

Solution	Leetcode Link
CircularDeque	Link
CircularQueue	-
DesignFrontMiddleBackQueue	Link
ImplementQueueUsingStack	Link
Total	4

Range

Solution	Leetcode Link
DataStreamAsDisjointIntervals	Link
InsertIntervals	Link
MergeIntervals	Link
MinimumNumberOfArrowsToBurstBaloons	Link
module	-
MyCalendar1	Link
Total	6

Segment Tree

Solution	Leetcode Link
RangeSumQuery	Link
SegmentTree	-
SmallerNumbersAfterSelf	Link
Total	3

Stack

Solution	Leetcode Link
AsteroidCollision	Link
BuildAnArrayWithStackOperations	Link
CountCollisionsOnRoad	Link
DailyTemperatures	Link
EvaluateReversePolishNotation	Link
OnlineStockSpan	Link
StackUsingQueues	Link
ValidateStackSequences	Link
Total	8

Strings

Solution	Leetcode Link
AddStrings	Link
AreAlmostEqual	Link
ArrayStringsEquivalent	Link
BreakAPalindrome	Link
BuddyStrings	Link
BullsAndCows	Link
CanBreakString	Link
CheckIfAllCharactersHaveSameOccurences	Link
CompareStringsByFrequenceOfSmallestCharacter	Link
ComplexNumbers	Link
ConcatenatedWords	Link
CountItemsMatchingARule	Link
CountNumberOfConsistentStrings	Link
CustomSortString	Link
DecodeTheMessage	Link
DeleteColumnsToMakeSorted	Link
DetectCapital	Link
DetermineIfStringHalvesAreAlike	Link
DetermineIfTwoStringsAreClose	Link
DigitSumOfString	Link
ExcelSheetColumnTitle	Link
FaultyKeyboard	Link
FindAllAnagramsInString	Link
FindAndReplacePattern	Link
FindDuplicateFileInSystem	Link
FindTheDifference	Link
FindTheSubstringWithMaximumCost	Link
FindUniqueBinaryString	Link
FindWordsContainingCharacters	Link
FindWordsThatCanBeFormedByCharacters	Link
FirstPalindromeInList	Link
FirstUniqueCharacterInAString	Link
FlipStringToMonotoneIncreasing	Link
GCDOfStrings	Link
GenerateAStringWithOddCharacterCount	Link
GetEqualSubstringsWithinBudget	Link
GroupAnagrams	-
HtmlEntityParser	Link
Isomorphic	Link
IsSubsequence	Link
Largest3SameDigitNumberInString	Link
LargestOddNumberInString	Link
LetterCasePermutation	Link
LetterTilePossibilities	Link
LexicographicallySmallestStringAfterSubstringOperation	Link
LicenseKeyFormatting	Link
LongestPalindrome	Link
LongestPalindromeByConcatenating2LetterWords	Link
LongestPalindromicSubstring	Link
LongestSubsequenceRepeatedKTimes	Link
LongestSubstringWithAtleastKRepeatingCharacters	Link
LongestSubstringWithoutRepeatingCharacters	Link
LongestWordInDictionary	Link
MakeTheStringGreat	-
MaximumNumberOfBalloons	Link
MaximumNumberOfVowelsInSubstringOfAGivenLength	Link
MaximumProductOfWordLength	Link
MergeStringsAlternatively	Link
MinDeciBinaryPartitions	Link
MinimumDeletionsToMakeCharacterFrequenciesUnique	Link
MinimumLengthOfStringAfterDeletingSimilarEnds	Link
MinimumMovesToConvertString	Link
MinimumNumberOfMovesToMakeStringPalindrome	Link
MinimumNumberOfPushesToTypeWord1	Link
MinimumNumberOfPushesToTypeWord2	Link
MinRemoveToMakeValidParenthesis	Link
MinStepsToMakeStringsAnagram	Link
MinStepsToMakeStringsAnagram2	Link
NumberOfAtoms	Link
NumberOfGoodWaysToSplitString	Link
NumberOfSubsequence	Link
OccurencesAfterBigram	Link
OptimalPartitionOfString	Link
PairsOfStringWithConcatenationEqualToTarget	Link
PalindromePairs	-
PalindromePartitioning	Link
Pangram	Link
PartitionLabels	-
PercentageOfLetterInString	Link
PermutationInString	Link
RansomeNote	-
RearrangeSpacesBetweenWords	Link
RearrangeWordsInSentence.kt	Link
ReconstructOriginalDigitsFromEnglish	Link
RemoveAllAdjacentDuplicatesInString	Link
RemoveAllAdjacentDuplicatesInString2	Link
RemoveColoredPiecesIfNeighborsAreSameColor	Link
RemoveDuplicateLetters	Link
RemoveKDigits	Link
RemoveOutermostParentheses	Link
RemoveStarsFromStrings	Link
RepeatedSubstringPattern	Link
ReplaceWords	Link
RestoreIPAddresses	Link
Reverse2	Link
ReverseSubstringInParentheses	Link
ReverseVowels	Link
ReverseWordsInAString	Link
SenderWithLargestWordCount	Link
ShiftingLetters	Link
SimplifyPath	Link
SmallestStringWithGivenNumericValue	Link
SmallestSubsequenceOfDistinctCharacters	Link
SplitStringsInBalancedString	Link
StringCompression	Link
StrStr	Link
SubdomainVisitCount	Link
SuggestedProducts	Link
SwapsToBalanceString	Link
TextJustification	Link
TopKFrequent	Link
TotalAppealOfAString	Link
UncommonWords	-
ValidParenthesis	Link
VerifyingAlienDictionary	Link
WordBreak	Link
WordBreak2	Link
WordPattern	Link
WordSubsets	Link
Total	119

Trees

Solution	Leetcode Link
AddOneRowToTree	Link
AllNodesDistanceKInBinaryTree	Link
AmountOfTimeForBinaryTreeToBeInfected	Link
AverageOfLevels	Link
BalancedBinaryTree	Link
BinarySearchTreeToGreaterSumTree	Link
BinaryTreeFromDesc	Link
BinaryTreePruning	Link
BTreeLevelOrder	Link
BTreeLevelOrder2	Link
CheckCompletenessOfABinaryTree	Link
ConvertBSTToGreaterTree	Link
CountGoodNodes	Link
CountNodesEqualToAverageOfSubtree	Link
CousinsInBinaryTree	Link
DeepestLeavesSum	Link
DeleteLeavesWithGivenValue	Link
DiameterOfBinaryTree	Link
EvenOddTree	Link
FindBottomLeftTreeValue	Link
IncreasingOrderSearchTree	Link
InOrderTraversal	Link
InvertBinaryTree	Link
IsSubtree	Link
KthLargestInStream	Link
KthLargestSumInABinaryTree	Link
KthSmallestElementInBST	Link
LeafSimilar	Link
LongestZigzagInBinaryTree	Link
LowestCommonAncestor	Link
MaximumBinaryTree	Link
MaximumDepthOfBinaryTree	Link
MaximumDifferenceBetweenNodeAndAncestors	Link
MaximumLevelSumOfBinaryTree	Link
MaximumProductOfSplittedBinaryTree	Link
MaximumWidthOfBinaryTree	Link
MinDepth	Link
MinimumDifferenceBetween2ElementsInBST	Link
MinimumDistanceBetweenBSTNodes	Link
NestedIterator	Link
NTreeLevelOrder	Link
NumberOfWeakCharacters	Link
PathInZigzagBTree	Link
PathSum	Link
PathSum2	Link
PathSum3	Link
PopulateNextRightPointersInEachNode	Link
PopulateNextRightPointersInEachNode2	Link
PostOrderNAryTraversal	Link
PostOrderTraversal	Link
PreOrderTraversal	Link
PseudoPalindromicPaths	Link
RangeSumOfBST	Link
RootEqualsLEafSum	Link
SameTree	Link
SumOfNodesWithEvenValuedGrandparent	Link
SumRootToLeafNumbers	Link
SymmetricTree	Link
TargetCopy	Link
Tree2Str	Link
VerticalLevelTraversal	Link
ZigagLevelOrderTraversal	Link
Total	62

Trie

Solution	Leetcode Link
AddAndSearchWord	-
MapSumPairs	Link
ReplaceWords	Link
ShortEncodingOfWords	Link
Trie	Link
Total	5

Union Find

Solution	Leetcode Link
CheckExistenceOfEdgeLengthLimitedPaths	Link
CountSubIslands	Link
CountUnreachablePairsOfNodes	Link
DisjointSet	-
FindAllPeopleWithSecret	Link
GreatestCommonDivisorTraversal	Link
impl	-
Islands	Link
LexicographicallySmallestEquivalentStrings	Link
LongestConsecutiveSequence	Link
MinCostToConnectAllPoints	Link
NumberOfClosedIslands	Link
NumberOfProvinces	Link
OperationsToMakeNetworkConnected	Link
RemoveMaxNumberOfEdgesToKeepGraphFullyTraversable	Link
SimilarStringGroups	Link
SmallestStringWithSwaps	Link
SurroundedRegions	Link
Total	18

Summary

Thank you for checking out my solutions to these 735 leetcode problems. Let me know if any solution can be improved.