rust-leetcode

Just solvin' some LeetCode problems on the side in the best language in the world (fight me). Hopefully learning some DSA along the way!

My LeetCode profile.

Overview

	Difficulty	Solved
🟢	Easy	24
🟡	Medium	28
🔴	Hard	8
	Total	60

A fetcher module is available to make web requests to LeetCode to automatically pull in question data and create local resources.

$ cargo run fetch <problem-name>

Here, the problem name can be obtained from the URL: https://leetcode.com/problems/<problem-name>/. Typically, this is simply the title in lowercase with spaces replaced by dashes.

Problem list

🟢 Easy

Index	Name	Tags
0001	Two sum	array, hash table
0009	Palindrome numbers	math
0013	Roman to integers	hash table, math, string
0014	Longest common prefix	string, trie
0020	Valid parentheses	string, stack
0021	Merge two sorted lists	linked list, recursion
0026	Remove duplicates from sorted array	array, two pointers
0027	Remove elements	array, two pointers
0028	Find the index of the first occurence in a string	two pointers, string, string matching
0035	Search insert position	array, binary search
0070	Climbing stairs	math, dynamic programming, memoization
0094	Binary tree inorder traversal	stack, tree, depth-first search, binary tree
0101	Symmetric tree	tree, depth-first search, breadth-first search, binary tree
0104	Maximum depth of binary tree	tree, depth-first search, breadth-first search, binary tree
0118	Pascals triangle	array, dynamic programming
0121	Best time to buy and sell stock	array, dynamic programming
0136	Single number	array, bit manipulation
0169	Majority element	array, hash table, divide and conquer, sorting, counting
0226	Invert binary tree	tree, depth-first search, breadth-first search, binary tree
0283	Move zeroes	array, two pointer
0448	Find All Numbers Disappeared in an Array	array, hash-table
0543	Diameter of a binary tree	tree, depth-first search, binary tree
0704	Binary search	array, binary search
1518	Water bottles	math, simulation

🟡 Medium

Index	Name	Tags
0002	Add two numbers	linked list, math, recursion
0003	Longest substring without repeating characters	hash table, string, sliding window
0005	Longest palindromic substring	two pointers, string, dynamic programming
0011	Container with the most water	array, two pointers, greedy
0015	3Sum	array, two pointers, sorting
0017	Letter combinations of a phone number	hash table, string, backtracking
0022	Generate parentheses	string, dynamic programming, backtracking
0045	Jump game II	array, dynamic programming, greedy
0046	Permutations	array, backtracking
0047	Permutations II	array, backtracking
0048	Rotate image	array, math, matrix
0049	Group anagrams	array, hash table, string, sorting
0053	Maximum Subarray	array, divide-and-conquer, dynamic-programming
0054	Spiral matrix	array, matrix, simulation
0055	Jump game	array, dynamic programming, greedy
0056	Merge Intervals	array, sorting
0056	Merge Intervals	array, sorting
0062	Unique Paths	math, dynamic-programming, combinatorics
0064	Minimum Path Sum	array, dynamic-programming, matrix
0072	Edit Distance	string, dynamic-programming
0074	Search a 2D Matrix	array, binary-search, matrix
0079	Word Search	array, string, backtracking, depth-first-search, matrix
0167	Two sum ii	array, two pointers, binary search
0322	Coin Change	array, dynamic-programming, breadth-first-search
0442	Find All Duplicates in an Array	array, hash-table
1306	Jump Game III	array, depth-first-search, breadth-first-search
1456	Find the City With the Smallest Number of Neighbors at a Threshold Distance	dynamic-programming, graph, shortest-path
2001	Jump Game VII	string, dynamic-programming, sliding-window, prefix-sum

🔴 Hard

Index	Name	Tags
0004	Median of two sorted arrays	array, binary search, divide and conquer
0023	Merge k sorted lists	linked list, divide and conquer, heap (priority queue), merge sort
0032	Longest valid parentheses	string, dynamic programming, stack
0041	First Missing Positive	array, hash-table
0042	Longest valid parentheses	array, two pointer, dynamic programming, stack, monotonic stack
0051	N-Queens	array, backtracking
0052	N-Queens II	backtracking
1447	Jump Game IV	array, hash-table, breadth-first-search