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This repository contains my Java solutions for various LeetCode problems. Each file corresponds to a specific problem, named accordingly.

leetcode.com
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484 Commits
01 Matrix.java
01 Matrix.java
 
 
3Sum Closest.java
3Sum Closest.java
 
 
3Sum.java
3Sum.java
 
 
4Sum.java
4Sum.java
 
 
A Number After a Double Reversal.java
A Number After a Double Reversal.java
 
 
Add Binary.java
Add Binary.java
 
 
Add Two Numbers 2.java
Add Two Numbers 2.java
 
 
Add Two Numbers.java
Add Two Numbers.java
 
 
Adding Spaces to a String.java
Adding Spaces to a String.java
 
 
All Elements in Two Binary Search Trees.java
All Elements in Two Binary Search Trees.java
 
 
All Paths From Source to Target.java
All Paths From Source to Target.java
 
 
Alternating Groups II.java
Alternating Groups II.java
 
 
Apply Operations to an Array.java
Apply Operations to an Array.java
 
 
Asteroid Collision.java
Asteroid Collision.java
 
 
Average of Levels in Binary Tree.java
Average of Levels in Binary Tree.java
 
 
Balanced Binary Tree.java
Balanced Binary Tree.java
 
 
Best Sightseeing Pair.java
Best Sightseeing Pair.java
 
 
Best Time to Buy and Sell Stock.java
Best Time to Buy and Sell Stock.java
 
 
Binary Search Tree to Greater Sum Tree.java
Binary Search Tree to Greater Sum Tree.java
 
 
Binary Search.java
Binary Search.java
 
 
Binary Tree Inorder Traversal.java
Binary Tree Inorder Traversal.java
 
 
Binary Tree Level Order Traversal II.java
Binary Tree Level Order Traversal II.java
 
 
Binary Tree Level Order Traversal.java
Binary Tree Level Order Traversal.java
 
 
Binary Tree Maximum Path Sum.java
Binary Tree Maximum Path Sum.java
 
 
Binary Tree Paths.java
Binary Tree Paths.java
 
 
Binary Tree Postorder Traversal.java
Binary Tree Postorder Traversal.java
 
 
Binary Tree Preorder Traversal.java
Binary Tree Preorder Traversal.java
 
 
Binary Tree Right Side View.java
Binary Tree Right Side View.java
 
 
Binary Tree Tilt.java
Binary Tree Tilt.java
 
 
Binary Tree Zigzag Level Order Traversal.java
Binary Tree Zigzag Level Order Traversal.java
 
 
Build Array from Permutation.java
Build Array from Permutation.java
 
 
Bulls and Cows.java
Bulls and Cows.java
 
 
Calculate Score After Performing Instructions.java
Calculate Score After Performing Instructions.java
 
 
Can Place Flowers.java
Can Place Flowers.java
 
 
Candy.java
Candy.java
 
 
Cheapest Flights Within K stops.java
Cheapest Flights Within K stops.java
 
 
Check If N and Its Double Exist.java
Check If N and Its Double Exist.java
 
 
Check If a Word Occurs As a Prefix of Any Word in a Sentence.java
Check If a Word Occurs As a Prefix of Any Word in a Sentence.java
 
 
Check if Grid can be Cut into Sections.java
Check if Grid can be Cut into Sections.java
 
 
Check if Number is a Sum of Powers of Three.java
Check if Number is a Sum of Powers of Three.java
 
 
Check if One String Swap Can Make Strings Equal.java
Check if One String Swap Can Make Strings Equal.java
 
 
Check if the sentence is Pangram.java
Check if the sentence is Pangram.java
 
 
Circular Sentence.java
Circular Sentence.java
 
 
Clear Digits.java
Clear Digits.java
 
 
Climbing Stairs.java
Climbing Stairs.java
 
 
Clone Graph.java
Clone Graph.java
 
 
Closest Equal Element Queries.java
Closest Equal Element Queries.java
 
 
Closest Prime Numbers in Range.java
Closest Prime Numbers in Range.java
 
 
Coin Change.java
Coin Change.java
 
 
Combination Sum 3.java
Combination Sum 3.java
 
 
Combination Sum II.java
Combination Sum II.java
 
 
Combination Sum IV.java
Combination Sum IV.java
 
 
Combination Sum.java
Combination Sum.java
 
 
Concatenation of Array.java
Concatenation of Array.java
 
 
Construct Binary Tree from PreOrder and PostOrder Traversal
Construct Binary Tree from PreOrder and PostOrder Traversal
 
 
Construct Binary Tree from Preorder and Inorder Traversal.java
Construct Binary Tree from Preorder and Inorder Traversal.java
 
 
Construct K Palindromic Strings.java
Construct K Palindromic Strings.java
 
 
Construct Smallest Number From DI String.java
Construct Smallest Number From DI String.java
 
 
Construct String With Repeat Limit.java
Construct String With Repeat Limit.java
 
 
Construct String from Binary Tree.java
Construct String from Binary Tree.java
 
 
Container With Most Water.java
Container With Most Water.java
 
 
Contains Duplicate II.java
Contains Duplicate II.java
 
 
Contains Duplicate.java
Contains Duplicate.java
 
 
Convert BST to Greater Tree.java
Convert BST to Greater Tree.java
 
 
Convert Sorted List to Binary Search Tree.java
Convert Sorted List to Binary Search Tree.java
 
 
Copy List with Random Pointer.java
Copy List with Random Pointer.java
 
 
Count Complete Subarrays in an Array.java
Count Complete Subarrays in an Array.java
 
 
Count Complete Tree Nodes.java
Count Complete Tree Nodes.java
 
 
Count Days Without Meetings.java
Count Days Without Meetings.java
 
 
Count Equal and Divisible Pairs in an Array.java
Count Equal and Divisible Pairs in an Array.java
 
 
Count Good Nodes in Binary Tree.java
Count Good Nodes in Binary Tree.java
 
 
Count Good Triplets.java
Count Good Triplets.java
 
 
Count Largest Group.java
Count Largest Group.java
 
 
Count Number of Distinct Integers After Reverse Operations.java
Count Number of Distinct Integers After Reverse Operations.java
 
 
Count Partitions with Even Sum Difference.java
Count Partitions with Even Sum Difference.java
 
 
Count Prefix and Suffix Pairs 1.java
Count Prefix and Suffix Pairs 1.java
 
 
Count Primes.java
Count Primes.java
 
 
Count Servers that Communicate.java
Count Servers that Communicate.java
 
 
Count Subarrays Where Max Element Appears at Least K Times.java
Count Subarrays Where Max Element Appears at Least K Times.java
 
 
Count Subarrays With Fixed Bounds.java
Count Subarrays With Fixed Bounds.java
 
 
Count Subarrays With Score Less Than K.java
Count Subarrays With Score Less Than K.java
 
 
Count Symmetric Integers.java
Count Symmetric Integers.java
 
 
Count Unguarded Cells in the Grid.java
Count Unguarded Cells in the Grid.java
 
 
Count Vowel Strings in Range.java
Count Vowel Strings in Range.java
 
 
Count and Say.java
Count and Say.java
 
 
Count the Hidden Sequences.java
Count the Hidden Sequences.java
 
 
Count the Number of Complete Components.java
Count the Number of Complete Components.java
 
 
Count the Number of Consistent Strings.java
Count the Number of Consistent Strings.java
 
 
Count the Number of Fair Pairs.java
Count the Number of Fair Pairs.java
 
 
Count the Number of Good Subarrays.java
Count the Number of Good Subarrays.java
 
 
Counting Bits.java
Counting Bits.java
 
 
Counting Words with a given Prefix.java
Counting Words with a given Prefix.java
 
 
Course Schedule 1.java
Course Schedule 1.java
 
 
Course Schedule 2.java
Course Schedule 2.java
 
 
Daily Temperatures.java
Daily Temperatures.java
 
 
Decode String.java
Decode String.java
 
 
Deepest Leaves Sum.java
Deepest Leaves Sum.java
 
 
Defanging an IP Address.java
Defanging an IP Address.java
 
 
Defuse the Bomb.java
Defuse the Bomb.java
 
 
Delete Characters to Make Fancy String.java
Delete Characters to Make Fancy String.java
 
 

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Solutions to some of the Leetcode questions includes easy and medium

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This repository contains my Java solutions for various LeetCode problems. Each file corresponds to a specific problem, named accordingly.

leetcode.com

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datastructures-algorithms concepts-algorithms

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