Jake Tuero
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Leet Code
Leet Code
65 items under this folder.
Jun 23, 2026
1 - Two Sum
array
hash-table
easy
leetcode
Jun 23, 2026
3Sum
leetcode
medium
two-pointers
array
Jun 23, 2026
61 - Rotate List
linked-list
two-pointers
medium
leetcode
Jun 23, 2026
7 - Reverse Integer
math
easy
leetcode
Jun 23, 2026
74 - Search a 2D Matrix
array
binary-search
matrix
medium
leetcode
Jun 23, 2026
Alien Dictionary 1
leetcode
hard
string
dfs
bfs
topological-sort
Jun 23, 2026
Alien Dictionary
leetcode
hard
Jun 23, 2026
Best Time to Buy and Sell Stock
leetcode
easy
array
dynamic-programming
Jun 23, 2026
Binary Tree Level Order Traversal
leetcode
medium
bfs
binary-tree
Jun 23, 2026
Binary Tree Maximum Path Sum
leetcode
dynamic-programming
binary-tree
dfs
hard
Jun 23, 2026
Cheapest Flights Within K Stops
leetcode
medium
dynamic-programming
shortest-path
Jun 23, 2026
Climbing Stairs
leetcode
easy
dynamic-programming
memoization
Jun 23, 2026
Clone Graph
leetcode
medium
graph
bfs
dfs
Jun 23, 2026
Combination Sum
leetcode
medium
array
backtracking
Jun 23, 2026
Construct Binary Tree from Preorder and Inorder Traversal
leetcode
medium
array
binary-tree
divide-and-conquer
Jun 23, 2026
Container With Most Water
leetcode
medium
array
two-pointers
greedy
Jun 23, 2026
Contains Duplicate
leetcode
easy
array
hash-table
Jun 23, 2026
Course Schedule
leetcode
medium
dfs
bfs
topological-sort
Jun 23, 2026
Decode Ways
leetcode
medium
Jun 23, 2026
Design Add and Search Word Data Structure
leetcode
medium
dfs
trie
Jun 23, 2026
Encode and Decode Strings
leetcode
medium
array
string
Jun 23, 2026
Find Median From Data Stream
leetcode
heap
data-stream
hard
Jun 23, 2026
Find Minimum in Rotated Sorted Array
leetcode
medium
array
binary-search
Jun 23, 2026
Graph Valid Tree
leetcode
medium
dfs
bfs
graph
Jun 23, 2026
Group Anagrams
leetcode
medium
string
array
sorting
Jun 23, 2026
House Robber II
leetcode
medium
array
dynamic-programming
Jun 23, 2026
House Robber
leetcode
medium
array
dynamic-programming
Jun 23, 2026
Implement Trie (Prefix Tree)
leetcode
medium
trie
Jun 23, 2026
Intro
Jun 23, 2026
Invert Binary Tree
leetcode
easy
binary-tree
dfs
Jun 23, 2026
Islands and Treasure
leetcode
medium
array
matrix
bfs
Jun 23, 2026
Kth Smallest Integer in BST
leetcode
medium
dfs
binary-search-tree
binary-tree
Jun 23, 2026
Linked List Cycle Detection
leetcode
easy
linked-list
two-pointers
Jun 23, 2026
Longest Consecutive Sequence
leetcode
medium
array
union-find
Jun 23, 2026
Longest Palindromic Substring
leetcode
medium
Jun 23, 2026
Longest Repeating Character Replacement
leetcode
medium
string
sliding-window
Jun 23, 2026
Longest Substring Without Repeating Characters
leetcode
medium
string
sliding-window
Jun 23, 2026
Lowest Common Ancestor in Binary Search Tree
leetcode
medium
dfs
binary-search-tree
Jun 23, 2026
Max Area of Island
leetcode
medium
array
bfs
dfs
matrix
union-find
Jun 23, 2026
Maximum Depth of Binary Tree
leetcode
easy
binary-tree
dfs
Jun 23, 2026
Merge K Sorted Linked Lists
leetcode
hard
linked-list
divide-and-conquer
merge-sort
Jun 23, 2026
Merge Two Sorted Linked Lists
leetcode
easy
linked-list
Jun 23, 2026
Min Cost Climbing Stairs
leetcode
easy
array
dynamic-programming
Jun 23, 2026
Minimum Window Substring
leetcode
hard
string
sliding-window
Jun 23, 2026
Number of Connected Components in an Undirected Graph
leetcode
medium
dfs
bfs
graph
Jun 23, 2026
Number of Islands
leetcode
medium
dfs
array
matrix
Jun 23, 2026
Pacific Atlantic Water Flow
leetcode
medium
Jun 23, 2026
Palindromic Substrings
leetcode
medium
string
two-pointers
Jun 23, 2026
Products of Array Except Self
leetcode
medium
array
prefix-sum
Jun 23, 2026
Remove Nth Node From End of List
leetcode
medium
linked-list
two-pointers
Jun 23, 2026
Reorder Linked List
leetcode
medium
linked-list
Jun 23, 2026
Reverse Linked List
leetcode
easy
linked-list
Jun 23, 2026
Rotting Fruit
leetcode
medium
array
bfs
matrix
Jun 23, 2026
Same Binary Tree
leetcode
easy
dfs
binary-tree
Jun 23, 2026
Search in Rotated Sorted Array
leetcode
medium
array
binary-search
Jun 23, 2026
Serialize and Deserialize Binary Tree
leetcode
hard
binary-tree
dfs
string
Jun 23, 2026
Subtree of Another Tree
leetcode
easy
binary-tree
dfs
Jun 23, 2026
Top K Frequent Elements
leetcode
medium
array
hash-table
divide-and-conquer
Jun 23, 2026
Two Sum
leetcode
easy
array
hash-table
Jun 23, 2026
Valid Anagram
leetcode
easy
string
hash-table
Jun 23, 2026
Valid Binary Search Tree
leetcode
medium
dfs
binary-tree
binary-search-tree
Jun 23, 2026
Valid Palindrome
leetcode
easy
string
two-pointers
Jun 23, 2026
Valid Parentheses
leetcode
easy
stack
string
Jun 23, 2026
Word Search II
leetcode
hard
array
trie
matrix
Jun 23, 2026
Word Search
leetcode
medium
array
matrix
dfs