Name		Name	Last commit message	Last commit date
Latest commit History 52 Commits
Palindromic Substrings.cpp		Palindromic Substrings.cpp
3 Sum.cpp		3 Sum.cpp
3Sum Closest.cpp		3Sum Closest.cpp
4Sum.cpp		4Sum.cpp
Add Binary.cpp		Add Binary.cpp
Add Digit.cpp		Add Digit.cpp
Add Two Numbers.cpp		Add Two Numbers.cpp
All Paths From Source to Target.cpp		All Paths From Source to Target.cpp
Angle Between Hands of a Clock.cpp		Angle Between Hands of a Clock.cpp
Arranging coins.cpp		Arranging coins.cpp
Avoid Flood in The City.cpp		Avoid Flood in The City.cpp
Best Time to Buy and Sell Stock with Cooldown.cpp		Best Time to Buy and Sell Stock with Cooldown.cpp
Binary Tree Level Order Traversal II.cpp		Binary Tree Level Order Traversal II.cpp
Binary Tree Right Side View.cpp		Binary Tree Right Side View.cpp
Binary Tree Zigzag Level Order Traversal.cpp		Binary Tree Zigzag Level Order Traversal.cpp
Bulb Switcher IV .cpp		Bulb Switcher IV .cpp
Can Make Arithmetic Progression From Sequence.cpp		Can Make Arithmetic Progression From Sequence.cpp
Capacity To Ship Packages Within D Days.cpp		Capacity To Ship Packages Within D Days.cpp
CheapestFlightsWithinKStops.cpp		CheapestFlightsWithinKStops.cpp
Climbing-Stairs.cpp		Climbing-Stairs.cpp
CoinChange2.cpp		CoinChange2.cpp
Complement of Base 10 Integer.cpp		Complement of Base 10 Integer.cpp
Construct Binary Tree from Inorder and Postorder Traversal.cpp		Construct Binary Tree from Inorder and Postorder Traversal.cpp
Container With Most Water.cpp		Container With Most Water.cpp
Count Complete Tree Nodes.cpp		Count Complete Tree Nodes.cpp
Count Odd Numbers in an Interval Range.cpp		Count Odd Numbers in an Interval Range.cpp
Count Submatrices With All Ones.cpp		Count Submatrices With All Ones.cpp
Count of Range Sum.cpp		Count of Range Sum.cpp
Count of Smaller Numbers After Self.cpp		Count of Smaller Numbers After Self.cpp
Deepest Leaves Sum.cpp		Deepest Leaves Sum.cpp
Defanging an IP Address.cpp		Defanging an IP Address.cpp
Diameter of a Binary Tree.cpp		Diameter of a Binary Tree.cpp
Dungeon Game.cpp		Dungeon Game.cpp
Duplicate III.cpp		Duplicate III.cpp
FInd Peak Element.cpp		FInd Peak Element.cpp
Find Common Characters.cpp		Find Common Characters.cpp
Find Minimum in Rotated Sorted Array II.cpp		Find Minimum in Rotated Sorted Array II.cpp
Find a Value of a Mysterious Function Closest to Target.cpp		Find a Value of a Mysterious Function Closest to Target.cpp
Find all duplicates in an array.cpp		Find all duplicates in an array.cpp
Find the Duplicate Number.cpp		Find the Duplicate Number.cpp
First Missing Positive.cpp		First Missing Positive.cpp
First Unique Character In A String.cpp		First Unique Character In A String.cpp
Flatten a Multilevel Doubly Linked List.cpp		Flatten a Multilevel Doubly Linked List.cpp
HIndexII.cpp		HIndexII.cpp
InsertDeleteGetRandomO1.cpp		InsertDeleteGetRandomO1.cpp
Integer to Roman.cpp		Integer to Roman.cpp
IsSubsequence.cpp		IsSubsequence.cpp
Island Perimeter.cpp		Island Perimeter.cpp
Jewels and Stones.cpp		Jewels and Stones.cpp
KStrongestValuesInAnArray.cpp		KStrongestValuesInAnArray.cpp
Kids With the Greatest Number of Candies.cpp		Kids With the Greatest Number of Candies.cpp
LargestDivisibleSubset.cpp		LargestDivisibleSubset.cpp
LeastNumberofUniqueIntegersafterKRemovals.cpp		LeastNumberofUniqueIntegersafterKRemovals.cpp
Letter Combinations of a Phone Number.cpp		Letter Combinations of a Phone Number.cpp
Longest Common Prefix.cpp		Longest Common Prefix.cpp
Longest Duplicate Substring.cpp		Longest Duplicate Substring.cpp
Longest Palindromic Substring.cpp		Longest Palindromic Substring.cpp
Longest Subarray of 1's After Deleting One Element.cpp		Longest Subarray of 1's After Deleting One Element.cpp
Longest Substring Without Repeating Characters.cpp		Longest Substring Without Repeating Characters.cpp
Making File Names Unique.cpp		Making File Names Unique.cpp
Maximum Subarray.cpp		Maximum Subarray.cpp
Maximum Width of Binary Tree.cpp		Maximum Width of Binary Tree.cpp
Maximum-product-subarray.cpp		Maximum-product-subarray.cpp
Median of Two Sorted Arrays.cpp		Median of Two Sorted Arrays.cpp
Minimum Domino Rotations For Equal Row.cpp		Minimum Domino Rotations For Equal Row.cpp
Missing Number.cpp		Missing Number.cpp
Move Zeroes.cpp		Move Zeroes.cpp
Next Greater Node In Linked List.cpp		Next Greater Node In Linked List.cpp
Number of Good Pairs.cpp		Number of Good Pairs.cpp
Number of Good Ways to Split a String.cpp		Number of Good Ways to Split a String.cpp
Number of Steps to Reduce a Number to Zero.cpp		Number of Steps to Reduce a Number to Zero.cpp
Number of Substrings With Only 1s.cpp		Number of Substrings With Only 1s.cpp
Numbers With Same Consecutive Differences.cpp		Numbers With Same Consecutive Differences.cpp
Online Election.cpp		Online Election.cpp
Palindrome Number.cpp		Palindrome Number.cpp
Partition_Equal_Subset_Sum.cpp		Partition_Equal_Subset_Sum.cpp
Perfect Squares.cpp		Perfect Squares.cpp
Permutation sequence.cpp		Permutation sequence.cpp
Power Of Four.cpp		Power Of Four.cpp
PowerOfTwo.cpp		PowerOfTwo.cpp
Prison Cells After N Days.cpp		Prison Cells After N Days.cpp
QueueReconstructionByHeight.cpp		QueueReconstructionByHeight.cpp
README.md		README.md
RandomPickWithWeight.cpp		RandomPickWithWeight.cpp
Range Sum of Sorted Subarray Sums.cpp		Range Sum of Sorted Subarray Sums.cpp
Reconstruct Itinerary.cpp		Reconstruct Itinerary.cpp
Reformat Date.cpp		Reformat Date.cpp
Regular Expression Matching.cpp		Regular Expression Matching.cpp
Remove Linked List Elements.cpp		Remove Linked List Elements.cpp
Remove Nth Node From End of List.cpp		Remove Nth Node From End of List.cpp
Remove Outermost Parentheses.cpp		Remove Outermost Parentheses.cpp
Reverse Bits.cpp		Reverse Bits.cpp
Reverse Integer.cpp		Reverse Integer.cpp
Reverse Pairs.cpp		Reverse Pairs.cpp
Reverse Words in a String.cpp		Reverse Words in a String.cpp
ReverseString.cpp		ReverseString.cpp
Richest_customer_wealth.cpp		Richest_customer_wealth.cpp
Roman to Integer.cpp		Roman to Integer.cpp
RunningSumof1dArray.cpp		RunningSumof1dArray.cpp
SearchInsertPositions.cpp		SearchInsertPositions.cpp

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Leetcode

This is a repository for the solutions of various Leetcode problems. It was started with the aim of making a nice database of various leetcode problems in C++.

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Solve Leetcode problems and add the solutions here. Follow the naming pattern for ease in locating the solutions. Some sample issues have been created for your convenience but feel free to add more issues and send PRs. Remember not to duplicate questions and not to submit problems during any ongoing competition.

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