✏️ LeetCode-Online-Judge

Name: GitHub - iamminji/leetcode: 🐍 leetcode grinding
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✏️ LeetCode-Online-Judge

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Problems

#	title	difficulty	languages	tag
0001	Two Sum	easy	python, java
0002	Add Two Numbers	medium	python, java
0003	Longest Substring Without Repeating Characters	medium	python, java
0005	Longest Palindromic Substring	medium	python, java
0007	Reverse Integer	easy	python
0009	Palindrome Number	easy	python
0011	Container With Most Water	medium	python, java
0013	Roman to Integer	easy	python
0014	Longest Common Prefix	easy	python
0015	3Sum	medium	python
0016	3Sum Closest	medium	python
0017	Letter Combinations of a Phone Number	medium	python
0018	4Sum	medium	python
0019	Remove Nth Node From End of List	medium	python
0020	Valid Parentheses	easy	python
0021	Merge Two Sorted Lists	easy	python-1, python-2
0022	Generate Parentheses	medium	python
0026	Remove Duplicates from Sorted Array	easy	python
0033	Search in Rotated Sorted Array	medium	python
0035	Search Insert Position	easy	python
0039	Combination Sum	medium	python
0046	Permutations	medium	golang
0048	Rotate Image	medium	python
0049	Group Anagrams	medium	python
0051	N-Queens	hard	python
0053	Maximum Subarray	easy	python
0055	Jump Game	medium	golang
0062	Unique Paths	medium	python
0064	Minimum Path Sum	medium	python
0067	Add Binary	easy	python
0070	Climbing Stairs	easy	python
0075	Sort Colors	medium	python
0079	Word Search	medium	python
0080	Remove Duplicates from Sorted Array II	medium	python
0083	Remove Duplicates from Sorted List	easy	python
0086	Partition List	medium	python
0088	Merge Sorted Array	easy	python
0094	Binary Tree Inorder Traversal	medium	python
0096	Unique Binary Search Trees	medium	python
0100	Same Tree	easy	python
0101	Symmetric Tree	easy	python
0102	Binary Tree Level Order Traversal	medium	python
0103	Binary Tree Zigzag Level Order Traversal	medium	python
0104	Maximum Depth of Binary Tree	easy	python
0107	Binary Tree Level Order Traversal II	easy	python
0108	Convert Sorted Array to Binary Search Tree	easy	python
0109	Convert Sorted List to Binary Search Tree	medium	python
0111	Minimum Depth of Binary Tree	easy	python	tree
0114	Flatten Binary Tree to Linked List	medium	python	tree, dfs
0118	Pascal's Triangle	easy	python
0120	Triangle	medium	python
0121	Best Time to Buy and Sell Stock	easy	python
0122	Best Time to Buy and Sell Stock II	easy	python
0125	Valid Palindrome	easy	python
0128	Longest Consecutive Sequence	medium	python
0136	Single Number	easy	python
0139	Word Break	medium	python
0141	Linked List Cycle	easy	python
0148	Sort List	medium	python
0155	Min Stack	easy	python
0162	Find Peak Element	medium	python
0168	Excel Sheet Column Title	easy	python
0169	Majority Element	easy	python
0171	Excel Sheet Column Number	easy	python
0179	Largest Number	medium	python
0182	Duplicate Emails	easy	sql
0189	Rotate Array	easy	python
0199	Binary Tree Right Side View	medium	python
0200	Number of Islands	medium	java
0202	Happy Number	easy	python
0203	Remove Linked List Elements	easy	python
0205	Isomorphic Strings	easy	python
0206	Reverse Linked List	easy	python
0207	Course Schedule	medium	python
0215	Kth Largest Element in an Array	medium	python
0221	Maximal Square	medium	python
0226	Invert Binary Tree	easy	python
0229	Majority Element II	medium	python
0231	Power of Two	easy	python
0232	Implement Queue using Stacks	easy	python
0238	Product of Array Except Self	medium	python
0242	Valid Anagram	easy	python
0257	Binary Tree Paths	easy	python
0263	Ugly Number	easy	python
0279	Perfect Squares	medium	python
0287	Find the Duplicate Number	medium	python
0290	Word Pattern	easy	python
0322	Coin Change	medium	python	dp
0324	Wiggle Sort II	medium	python
0328	Odd Even Linked List	medium	python	linked list
0337	House Robber III	medium	golang
0338	Counting Bits	easy	python
0341	Flatten Nested List Iterator	medium	python
0344	Reverse String	easy	java
0345	Reverse Vowels of a String	easy	python
0347	Top K Frequent Elements	medium	python
0349	Intersection of Two Arrays	easy	python
0367	Valid Perfect Square	easy	python
0394	Decode String	medium	python
0399	Evaluate Division	medium	python	graph, recursive
0404	Sum of Left Leaves	easy	python	dfs, binary tree
0429	N-ary Tree Level Order Traversal	easy	python
0434	Number of Segments in a String	easy	python
0441	Arranging Coins	easy	python, c
0443	String Compression	easy	golang
0447	Number of Boomerangs	easy	python
0448	Find All Numbers Disappeared in an Array	easy	python
0451	Sort Characters By Frequency	medium	python
0454	4Sum II	medium	python
0455	Assign Cookies	easy	python
0457	Circular Array Loop	medium	python
0463	Island Perimeter	easy	java
0492	Construct the Rectangle	easy	golang
0494	Target Sum	medium	python, java
0495	Teemo Attacking	medium	python
0500	Keyboard Row	easy	python
0501	Find Mode in Binary Search Tree	easy	python
0503	Next Greater Element II	medium	python
0508	Most Frequent Subtree Sum	medium	python
0509	Fibonacci Number	easy	python
0513	Find Bottom Left Tree Value	medium	python
0518	Coin Change 2	medium	python
0532	K-diff Pairs in an Array	easy	python
0538	Convert BST to Greater Tree	easy	python
0541	Reverse String II	easy	python, golang
0543	Diameter of Binary Tree	easy	python
0551	Student Attendance Record I	easy	python
0553	Optimal Division	medium	python
0559	Maximum Depth of N-ary Tree	easy	python
0565	Array Nesting	medium	golang
0572	Subtree of Another Tree	easy	python
0581	Shortest Unsorted Continuous Subarray	easy	python
0589	N-ary Tree Preorder Traversal	easy	python
0590	N-ary Tree Postorder Traversal	easy	python
0595	Big Countries	easy	sql
0599	Minimum Index Sum of Two Lists	easy	python
0605	Can Place Flowers	easy	golang
0617	Merge Two Binary Trees	easy	python
0621	Task Scheduler	medium	python
0627	Swap Salary	easy	sql
0637	Average of Levels in Binary Tree	easy	python
0641	Design Circular Deque	medium	golang
0643	Maximum Average Subarray I	easy	python
0655	Print Binary Tree	medium	python
0669	Trim a Binary Search Tree	easy	python
0670	Maximum Swap	medium	python
0671	Second Minimum Node In a Binary Tree	easy	python
0674	Longest Continuous Increasing Subsequence	easy	java
0693	Binary Number with Alternating Bits	easy	python
0695	Max Area of Island	easy	python
0696	Count Binary Substrings	easy	python
0700	Search in a Binary Search Tree	easy	python
0701	Insert into a Binary Search Tree	medium	python
0704	Binary Search	easy	python
0705	Design HashSet	easy	python
0706	Design HashMap	easy	python
0707	Design Linked List	easy	golang
0709	To Lower Case	easy	golang
0711	Jewels and Stones	easy	java
0718	Maximum Length of Repeated Subarray	medium	python
0728	Self Dividing Numbers	easy	python
0731	My Calendar II	medium	python
0733	Flood Fill	easy	python
0739	Daily Temperatures	medium	python
0743	Network Delay Time	medium	python
0746	Min Cost Climbing Stairs	easy	java
0747	Largest Number At Least Twice of Others	easy	python
0759	Employee-Free-Time	hard	python
0767	Reorganize String	medium	python
0769	Max Chunks To Make Sorted	medium	python
0773	Sliding Puzzle	hard	python
0789	Escape The Ghosts	medium	python
0791	Custom Sort String	medium	python
0796	Rotate String	easy	java
0797	All Paths From Source to Target	medium	java
0799	Champagne Tower	medium	python
0801	Minimum Swaps To Make Sequences Increasing	medium	python
0802	Find Eventual Safe States	medium	python
0804	Unique Morse Code Words	easy	python
0808	Soup Servings	medium	python
0811	Subdomain Visit Count	easy	python
0819	Most Common Word	easy	python
0821	Shortest Distance to a Character	easy	python
0823	Binary Trees With Factors	medium	python
0830	Positions of Large Groups	easy	python
0841	Keys and Rooms	medium	python	dfs, graph
0869	Reordered Power of 2	medium	python
0872	Leaf-Similar Trees	easy	python
0875	Koko Eating Bananas	medium	python
0876	Middle of the Linked List	easy	python
0890	Find and Replace Pattern	medium	python
0894	All Possible Full Binary Trees	medium	python
0896	Monotonic Array	easy	python
0905	Sort Array By Parity	easy	golang
0921	Minimum Add to Make Parentheses Valid	medium	golang
0922	Sort Array By Parity II	easy	python
0929	Unique Email Addresses	easy	golang
0931	Minimum Falling Path Sum	medium	python
0938	Range Sum of BST	easy	python
0941	Valid Mountain Array	easy	python
0942	DI String Match	easy	python
0961	N-Repeated Element in Size 2N Array	easy	python
0965	Univalued Binary Tree	easy	golang
0977	Squares of a Sorted Array	easy	golang
0989	Add to Array-Form of Integer	easy	python
0993	Cousins in Binary Tree	easy	python
1002	Find Common Characters	easy	python
1021	Remove Outermost Parentheses	easy	python
1038	Binary Search Tree to Greater Sum Tree	medium	python
1108	Defanging an IP Address	easy	python
1014	Best Sightseeing Pair	medium	python
1019	Next Greater Node In Linked List	medium	python
1025	Divisor Game	easy	python
1027	Longest Arithmetic Sequence	meidum	python
1114	Print in Order	easy	python
1122	Relative Sort Array	easy	python
1128	Number of Equivalent Domino Pairs	easy	python
1161	Maximum Level Sum of a Binary Tree	medium	python
1200	Minimum Absolute Difference	easy	python
1277	Count Square Submatrices with All Ones	medium	python
1342	Number of Steps to Reduce a Number to Zero	easy	python
1372	Longest ZigZag Path in a Binary Tree	medium	python
1979	Find Greatest Common Divisor of Array	easy	python
2163	Minimum Difference in Sums After Removal of Elements	hard	python
2167	Minimum Time to Remove All Cars Containing Illegal Goods	hard	python

Challenge

2020 July

title	code	solutions
Arranging Coins	python	solutions
Binary Tree Level Order Traversal II	python	solutions
Prison Cells After N Days	python	solutions
Ugly Number II	python	solutions
Hamming Distance	python	solutions
Plus One	python	solutions
Island Perimeter	python	solutions
Flatten a Multilevel Doubly Linked List	python	solutions
Same Tree	python
3Sum	python	solutions
Add Binary	python	solution
Subsets	python
Reverse Words in a String	python
Top K Frequent Elements	python
Remove Linked List Elements	python
Binary Tree Zigzag Level Order Traversal	python
Word Search	python
All Paths From Source to Target	python

Name		Name	Last commit message	Last commit date
Latest commit History 361 Commits
challenge		challenge
common		common
contest		contest
study-plan		study-plan
🙂easy		🙂easy
🤔medium		🤔medium
🤨hard		🤨hard
.gitignore		.gitignore
README.md		README.md

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2020 July

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