GitHub - gahogg/Leetcode-Solutions: The repository for all of the solutions to the Leetcode problems solved on my YouTube, Instagram and TikTok

Name	Name	Last commit message	Last commit date
Latest commit gahogg Update Rotting Oranges - Leetcode 994.py Feb 21, 2025 fcc230c · Feb 21, 2025 History 241 Commits
3Sum - Leetcode 15	3Sum - Leetcode 15	Update 3Sum - Leetcode 15.py	Jul 29, 2024
3Sum Closest - Leetcode 16	3Sum Closest - Leetcode 16	Added 3Sum Closest	Jul 29, 2024
4Sum - Leetcode 18	4Sum - Leetcode 18	Added 4sum	Jul 29, 2024
Add Binary - Leetcode 67	Add Binary - Leetcode 67	Update Add Binary - Leetcode 67.py	Aug 20, 2024
Average of Levels in Binary Tree - Leetcode 637	Average of Levels in Binary Tree - Leetcode 637	Update Average of Levels in Binary Tree - Leetcode 637.py	Nov 25, 2024
Balanced Binary Tree - Leetcode 110	Balanced Binary Tree - Leetcode 110	Added solutions for c++, java and js	Jul 23, 2024
Base 7 - Leetcode 504	Base 7 - Leetcode 504	Added Base 7	Aug 19, 2024
Baseball Game - Leetcode 682	Baseball Game - Leetcode 682	Added solutions for c++, java and js	Jul 23, 2024
Best Time to Buy and Sell Stock - Leetcode 121	Best Time to Buy and Sell Stock - Leetcode 121	Update Best Time to Buy and Sell Stock - Leetcode 121.py	Jan 9, 2025
Best Time to Buy and Sell Stock II - Leetcode 122	Best Time to Buy and Sell Stock II - Leetcode 122	Added lots	Aug 7, 2024
Binary Search - Leetcode 704	Binary Search - Leetcode 704	Update Binary Search - Leetcode 704.py	Jan 25, 2025
Binary Tree Level Order Traversal (BFS) - Leetcode 102	Binary Tree Level Order Traversal (BFS) - Leetcode 102	Added solutions for c++, java and js	Jul 23, 2024
Bitwise AND of Numbers Range - Leetcode 201	Bitwise AND of Numbers Range - Leetcode 201	Added Leetcode 201	Aug 20, 2024
Climbing Stairs - Leetcode 70	Climbing Stairs - Leetcode 70	Added solutions for c++, java and js	Jul 23, 2024
Clone Graph - Leetcode 133	Clone Graph - Leetcode 133	Added solutions for c++, java and js	Jul 23, 2024
Coin Change - Leetcode 322	Coin Change - Leetcode 322	Added Brute Force Solution (#31 )	Feb 11, 2025
Combination Sum - Leetcode 39	Combination Sum - Leetcode 39	Added solutions for c++, java and js	Jul 23, 2024
Combinations - Leetcode 77	Combinations - Leetcode 77	Added solutions for c++, java and js	Jul 23, 2024
Container With Most Water - Leetcode 11	Container With Most Water - Leetcode 11	Added solutions for c++, java and js	Jul 23, 2024
Contains Duplicate - Leetcode 217	Contains Duplicate - Leetcode 217	Update Contains Duplicate - Leetcode 217.py	Jan 7, 2025
Copy List with Random Pointer - Leetcode 138	Copy List with Random Pointer - Leetcode 138	Added solutions for c++, java and js	Jul 23, 2024
Count Good Nodes in Binary Tree - Leetcode 1448	Count Good Nodes in Binary Tree - Leetcode 1448	Added solutions for c++, java and js	Jul 23, 2024
Count Nodes Equal to Average of Subtree - Leetcode 2265	Count Nodes Equal to Average of Subtree - Leetcode 2265	Added solutions for c++, java and js	Jul 23, 2024
Course Schedule - Leetcode 207	Course Schedule - Leetcode 207	Added solutions for c++, java and js	Jul 23, 2024
Course Schedule II - Leetcode 210	Course Schedule II - Leetcode 210	Update Course Schedule II - Leetcode 210.py	Feb 21, 2025
Daily Temperatures - Leetcode 739	Daily Temperatures - Leetcode 739	Added solutions for c++, java and js	Jul 23, 2024
Diameter of Binary Tree - Leetcode 543	Diameter of Binary Tree - Leetcode 543	Added solutions for c++, java and js	Jul 23, 2024
Evaluate Reverse Polish Notation (RPN) - Leetcode 150	Evaluate Reverse Polish Notation (RPN) - Leetcode 150	Added solutions for c++, java and js	Jul 23, 2024
Fibonacci Number - Leetcode 509	Fibonacci Number - Leetcode 509	Update Fibonacci Number - Leetcode 509.java	Jul 24, 2024
Find Closest Number to Zero - Leetcode 2239	Find Closest Number to Zero - Leetcode 2239	Added solutions for c++, java and js	Jul 23, 2024
Find Minimum in Rotated Sorted Array - Leetcode 153	Find Minimum in Rotated Sorted Array - Leetcode 153	Update Find Minimum in Rotated Sorted Array - Leetcode 153.py	Nov 15, 2024
Find if Path Exists in Graph - Leetcode 1971	Find if Path Exists in Graph - Leetcode 1971	Update Find if Path Exists in Graph - Leetcode 1971.js	Jul 24, 2024
First Bad Version - Leetcode 278	First Bad Version - Leetcode 278	Update First Bad Version - Leetcode 278.py	Jan 25, 2025
Generate Parentheses - Leetcode 22	Generate Parentheses - Leetcode 22	Added solutions for c++, java and js	Jul 23, 2024
Group Anagrams - Leetcode 49	Group Anagrams - Leetcode 49	Update Group Anagrams - Leetcode 49.py	Nov 14, 2024
H-Index - Leetcode 274	H-Index - Leetcode 274	Added h-index	Aug 8, 2024
House Robber - Leetcode 198	House Robber - Leetcode 198	Added solutions for c++, java and js	Jul 23, 2024
Implement Trie (Prefix Tree) - Leetcode 208	Implement Trie (Prefix Tree) - Leetcode 208	Added solutions for c++, java and js	Jul 23, 2024
Insert GCDs in Linked List - Leetcode 2807	Insert GCDs in Linked List - Leetcode 2807	Added solutions for c++, java and js	Jul 23, 2024
Invert Binary Tree - Leetcode 226	Invert Binary Tree - Leetcode 226	Update Invert Binary Tree - Leetcode 226.py	Nov 22, 2024
Is Subsequence - Leetcode 392	Is Subsequence - Leetcode 392	Added solutions for c++, java and js	Jul 23, 2024
Jewels and Stones - Leetcode 771	Jewels and Stones - Leetcode 771	Update Jewels and Stones - Leetcode 771.py	Oct 10, 2024
Jump Game - Leetcode 55	Jump Game - Leetcode 55	Added solutions for c++, java and js	Jul 23, 2024
Jump Game II - Leetcode 45	Jump Game II - Leetcode 45	Added brute force to jump game 2	Aug 8, 2024
K Closest Points to Origin - Leetcode 973	K Closest Points to Origin - Leetcode 973	Added solutions for c++, java and js	Jul 23, 2024
Koko Eating Bananas - Leetcode 875	Koko Eating Bananas - Leetcode 875	Added solutions for c++, java and js	Jul 23, 2024
Kth Largest Element in an Array - Leetcode 215	Kth Largest Element in an Array - Leetcode 215	Update Kth Largest Element in an Array - Leetcode 215.py	Feb 13, 2025
Kth Smallest Element in a BST - Leetcode 230	Kth Smallest Element in a BST - Leetcode 230	Added solutions for c++, java and js	Jul 23, 2024
Largest Rectangle in Histogram - Leetcode 84	Largest Rectangle in Histogram - Leetcode 84	Added Largest Rectangle in Histogram	Jul 31, 2024
Last Stone Weight - Leetcode 1046	Last Stone Weight - Leetcode 1046	Update Last Stone Weight - Leetcode 1046.py	Nov 25, 2024
Letter Combinations of a Phone Number - Leetcode 17	Letter Combinations of a Phone Number - Leetcode 17	Added solutions for c++, java and js	Jul 23, 2024
Linked List Cycle - Leetcode 141	Linked List Cycle - Leetcode 141	Update Linked List Cycle - Leetcode 141.py	Feb 17, 2025
Longest Common Prefix - Leetcode 14	Longest Common Prefix - Leetcode 14	Added lots	Aug 7, 2024
Longest Common Subsequence - Leetcode 1143	Longest Common Subsequence - Leetcode 1143	Added solutions for c++, java and js	Jul 23, 2024
Longest Consecutive Sequence - Leetcode 128	Longest Consecutive Sequence - Leetcode 128	Added solutions for c++, java and js	Jul 23, 2024
Longest Increasing Subsequence - Leetcode 300	Longest Increasing Subsequence - Leetcode 300	Added solutions for c++, java and js	Jul 23, 2024
Longest Repeating Character Replacement - Leetcode 424	Longest Repeating Character Replacement - Leetcode 424	Added solutions for c++, java and js	Jul 23, 2024
Longest Substring Without Repeating Characters - Leetcode 3	Longest Substring Without Repeating Characters - Leetcode 3	Added Brute Force Solution (#31 )	Feb 11, 2025
Lowest Common Ancestor of a Binary Search Tree - Leetcode 235	Lowest Common Ancestor of a Binary Search Tree - Leetcode 235	change	Jul 23, 2024
Majority Element - Leetcode 169	Majority Element - Leetcode 169	Added solutions for c++, java and js	Jul 23, 2024
Max Area of Island - Leetcode 695	Max Area of Island - Leetcode 695	Added solutions for c++, java and js	Jul 23, 2024
Max Consecutive Ones III - Leetcode 1004	Max Consecutive Ones III - Leetcode 1004	added: brute force soln for Max Consecutive Ones III	Jan 27, 2025
Maximum Average Subarray I - Leetcode 643	Maximum Average Subarray I - Leetcode 643	added: brute force soln for Maximum Average Subarray I	Jan 27, 2025
Maximum Depth of Binary Tree - Leetcode 104	Maximum Depth of Binary Tree - Leetcode 104	Update Maximum Depth of Binary Tree - Leetcode 104.py	Feb 7, 2025
Maximum Number of Balloons - Leetcode 1189	Maximum Number of Balloons - Leetcode 1189	Added solutions for c++, java and js	Jul 23, 2024
Maximum Subarray - Leetcode 53	Maximum Subarray - Leetcode 53	Added solutions for c++, java and js	Jul 23, 2024
Merge Intervals - Leetcode 56	Merge Intervals - Leetcode 56	Update Merge Intervals - Leetcode 56.py	Jan 29, 2025
Merge Sorted Array - Leetcode 88	Merge Sorted Array - Leetcode 88	Add Merge Sorted Array	Aug 1, 2024
Merge Strings Alternately - Leetcode 1768	Merge Strings Alternately - Leetcode 1768	Update Merge Strings Alternately - Leetcode 1768.py	Oct 9, 2024
Merge Two Sorted Lists - Leetcode 21	Merge Two Sorted Lists - Leetcode 21	Added solutions for c++, java and js	Jul 23, 2024
Merge k Sorted (Linked) Lists - Leetcode 23	Merge k Sorted (Linked) Lists - Leetcode 23	Added solutions for c++, java and js	Jul 23, 2024
Middle of the Linked List - Leetcode 876	Middle of the Linked List - Leetcode 876	Added solutions for c++, java and js	Jul 23, 2024
Min Cost Climbing Stairs - Leetcode 746	Min Cost Climbing Stairs - Leetcode 746	Added solutions for c++, java and js	Jul 23, 2024
Min Cost to Connect All Points - Leetcode 1584	Min Cost to Connect All Points - Leetcode 1584	Added solutions for c++, java and js	Jul 23, 2024
Min Stack - Leetcode 155	Min Stack - Leetcode 155	Added solutions for c++, java and js	Jul 23, 2024
Minimum Absolute Difference in BST - Leetcode 530	Minimum Absolute Difference in BST - Leetcode 530	Added solutions for c++, java and js	Jul 23, 2024
Minimum Size Subarray Sum - Leetcode 209	Minimum Size Subarray Sum - Leetcode 209	Added solutions for c++, java and js	Jul 23, 2024
N-ary Tree Level Order Traversal - Leetcode 429	N-ary Tree Level Order Traversal - Leetcode 429	Add question	Feb 5, 2025
N-ary Tree Preorder Traversal - Leetcode 589	N-ary Tree Preorder Traversal - Leetcode 589	Add question	Feb 5, 2025
Network Delay Time - Leetcode 743	Network Delay Time - Leetcode 743	Added solutions for c++, java and js	Jul 23, 2024
Number of 1 Bits - Leetcode 191	Number of 1 Bits - Leetcode 191	Added Number of 1 Bits	Aug 19, 2024
Number of Islands - Leetcode 200	Number of Islands - Leetcode 200	Added solutions for c++, java and js	Jul 23, 2024
Pacific Atlantic Water Flow - Leetcode 417	Pacific Atlantic Water Flow - Leetcode 417	Added solutions for c++, java and js	Jul 23, 2024
Path Sum - Leetcode 112	Path Sum - Leetcode 112	Added solutions for c++, java and js	Jul 23, 2024
Permutation in String - Leetcode 567	Permutation in String - Leetcode 567	Added solutions for c++, java and js	Jul 23, 2024
Permutations - Leetcode 46	Permutations - Leetcode 46	Update Permutations - Leetcode 46.py	Nov 26, 2024
Product of Array Except Self - Leetcode 238	Product of Array Except Self - Leetcode 238	Update Product of Array Except Self - Leetcode 238.py	Nov 14, 2024
Ransom Note - Leetcode 383	Ransom Note - Leetcode 383	Update Ransom Note - Leetcode 383.py	Nov 14, 2024
Remove Duplicates from Sorted Array - Leetcode 26	Remove Duplicates from Sorted Array - Leetcode 26	Added	Aug 7, 2024
Remove Duplicates from Sorted Array II - Leetcode 80	Remove Duplicates from Sorted Array II - Leetcode 80	Added lots	Aug 7, 2024
Remove Duplicates from Sorted List - Leetcode 83	Remove Duplicates from Sorted List - Leetcode 83	Added solutions for c++, java and js	Jul 23, 2024
Remove Element - Leetcode 27	Remove Element - Leetcode 27	Added	Aug 7, 2024
Remove Nth Node from End of List - Leetcode 19	Remove Nth Node from End of List - Leetcode 19	Added solutions for c++, java and js	Jul 23, 2024
Reverse Linked List - Leetcode 206	Reverse Linked List - Leetcode 206	Added solutions for c++, java and js	Jul 23, 2024
Reverse String - Leetcode 344	Reverse String - Leetcode 344	Update Reverse String - Leetcode 344.py	Jan 15, 2025
Roman to Integer - Leetcode 13	Roman to Integer - Leetcode 13	Added solutions for c++, java and js	Jul 23, 2024
Rotate Image - Leetcode 48	Rotate Image - Leetcode 48	Added solutions for c++, java and js	Jul 23, 2024
Rotting Oranges - Leetcode 994	Rotting Oranges - Leetcode 994	Update Rotting Oranges - Leetcode 994.py	Feb 21, 2025
Running Sum of 1d Array - Leetcode 1480	Running Sum of 1d Array - Leetcode 1480	Made more efficient	Aug 23, 2024
Same Binary Tree - Leetcode 100	Same Binary Tree - Leetcode 100	Update Same Binary Tree - Leetcode 100.py	Nov 25, 2024
Search Insert Position - Leetcode 35	Search Insert Position - Leetcode 35	Added solutions for c++, java and js	Jul 23, 2024
Search a 2D Matrix - Leetcode 74	Search a 2D Matrix - Leetcode 74	Update Search a 2D Matrix - Leetcode 74.py	Jan 17, 2025
Search in Rotated Sorted Array - Leetcode 33	Search in Rotated Sorted Array - Leetcode 33	Added solutions for c++, java and js	Jul 23, 2024
Single Number - Leetcode 136	Single Number - Leetcode 136	Added Single Number	Aug 20, 2024
Sort Colors - Leetcode 75	Sort Colors - Leetcode 75	Added Sort Colors	Jul 30, 2024
Spiral Matrix - Leetcode 54	Spiral Matrix - Leetcode 54	Added solutions for c++, java and js	Jul 23, 2024
Squares of a Sorted Array - Leetcode 977	Squares of a Sorted Array - Leetcode 977	Update Squares of a Sorted Array - Leetcode 977.py	Jan 15, 2025
Subsets - Leetcode 78	Subsets - Leetcode 78	Update Subsets - Leetcode 78.py	Nov 26, 2024
Subtree of Another Tree - Leetcode 572	Subtree of Another Tree - Leetcode 572	Added solutions for c++, java and js	Jul 23, 2024
Summary Ranges - Leetcode 228	Summary Ranges - Leetcode 228	Added solutions for c++, java and js	Jul 23, 2024
Symmetric Tree - Leetcode 101	Symmetric Tree - Leetcode 101	Added solutions for c++, java and js	Jul 23, 2024
Top K Frequent Elements - Leetcode 347	Top K Frequent Elements - Leetcode 347	Update Top K Frequent Elements - Leetcode 347.py	Feb 13, 2025
Trapping Rain Water - Leetcode 42	Trapping Rain Water - Leetcode 42	Added solutions for c++, java and js	Jul 23, 2024
Two Sum - Leetcode 1	Two Sum - Leetcode 1	Update Two Sum - Leetcode 1.py	Jan 13, 2025
Two Sum II - Leetcode 167	Two Sum II - Leetcode 167	Added solutions for c++, java and js	Jul 23, 2024
Unique Paths - Leetcode 62	Unique Paths - Leetcode 62	Added solutions for c++, java and js	Jul 23, 2024
Valid Anagram - Leetcode 242	Valid Anagram - Leetcode 242	Update Valid Anagram - Leetcode 242.py	Jan 28, 2025
Valid Palindrome - Leetcode 125	Valid Palindrome - Leetcode 125	Added solutions for c++, java and js	Jul 23, 2024
Valid Parentheses - Leetcode 20	Valid Parentheses - Leetcode 20	Added solutions for c++, java and js	Jul 23, 2024
Valid Perfect Square - Leetcode 367	Valid Perfect Square - Leetcode 367	Added solutions for c++, java and js	Jul 23, 2024
Valid Sudoku - Leetcode 36	Valid Sudoku - Leetcode 36	Added solutions for c++, java and js	Jul 23, 2024
Validate Binary Search Tree - Leetcode 98	Validate Binary Search Tree - Leetcode 98	Update Validate Binary Search Tree - Leetcode 98.py	Nov 25, 2024
Word Search - Leetcode 79	Word Search - Leetcode 79	fix for word search this solution only checks if the only letter on t…	Aug 24, 2024
Zigzag Conversion - Leetcode 6	Zigzag Conversion - Leetcode 6	Add ZigZag Conversion	Jul 31, 2024

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