Tags

leetcode

Two City Scheduling

Delete Node in a Linked List

Edit Distance

Compare Version Numbers

Invert Binary Tree

K Closest Points to Origin

Course Schedule

Counting Bits

Min Stack

Possible Bipartition

Contiguous Array

Uncrossed Lines

Construct Binary Search Tree from Preorder Traversal

Interval List Intersections

Sort Characters By Frequency

Count Square Submatrices with All Ones

Kth Smallest Element in a BST

Online Stock Span

Permutation in String

Find All Anagrams in a String

Odd Even Linked List

Maximum Sum Circular Subarray

Implement Trie (Prefix Tree)

Construct Binary Tree from Preorder and Inorder Traversal

Remove K Digits

Single Element in a Sorted Array

Count Triplets That Can Form Two Arrays of Equal XOR

Build an Array With Stack Operations

Flood Fill

Find the Town Judge

Pascal's Triangle II

Search in a Binary Tree

Swap Nodes In Pairs

Reverse a singly linked list

Valid Perfect Square

Check If It Is a Straight Line

Ransom Note

Number Complement

First Bad Version

Cousins in Binary Tree

Search in Rotated Sorted Array

Majority Element

First Unique Character in a String

Jewels and Stones

Python

Two City Scheduling

Delete Node in a Linked List

Edit Distance

Compare Version Numbers

Invert Binary Tree

K Closest Points to Origin

Course Schedule

Counting Bits

Min Stack

Possible Bipartition

Contiguous Array

Uncrossed Lines

Construct Binary Search Tree from Preorder Traversal

Interval List Intersections

Sort Characters By Frequency

Count Square Submatrices with All Ones

Kth Smallest Element in a BST

Online Stock Span

Permutation in String

Find All Anagrams in a String

Odd Even Linked List

Maximum Sum Circular Subarray

Implement Trie (Prefix Tree)

Construct Binary Tree from Preorder and Inorder Traversal

Remove K Digits

Single Element in a Sorted Array

Count Triplets That Can Form Two Arrays of Equal XOR

Build an Array With Stack Operations

Flood Fill

Find the Town Judge

Pascal's Triangle II

Search in a Binary Tree

Swap Nodes In Pairs

Reverse a singly linked list

Valid Perfect Square

Check If It Is a Straight Line

Ransom Note

Number Complement

First Bad Version

Cousins in Binary Tree

Search in Rotated Sorted Array

Majority Element

First Unique Character in a String

Jewels and Stones

string

Compare Version Numbers

Sort Characters By Frequency

Permutation in String

Find All Anagrams in a String

Ransom Note

First Unique Character in a String

Jewels and Stones

array

Two City Scheduling

K Closest Points to Origin

Counting Bits

Min Stack

Possible Bipartition

Contiguous Array

Uncrossed Lines

Interval List Intersections

Maximum Sum Circular Subarray

First Bad Version

Search in Rotated Sorted Array

Majority Element

tree

Invert Binary Tree

Construct Binary Search Tree from Preorder Traversal

Kth Smallest Element in a BST

Implement Trie (Prefix Tree)

Construct Binary Tree from Preorder and Inorder Traversal

Search in a Binary Tree

Cousins in Binary Tree

list

Odd Even Linked List

Remove K Digits

Single Element in a Sorted Array

Count Triplets That Can Form Two Arrays of Equal XOR

Build an Array With Stack Operations

Flood Fill

Find the Town Judge

Check If It Is a Straight Line

linklist

Swap Nodes In Pairs

Reverse a singly linked list

recursion

Search in a Binary Tree

Swap Nodes In Pairs

Reverse a singly linked list

design

Online Stock Span

dp

Edit Distance

Uncrossed Lines

Count Square Submatrices with All Ones

DFS

Course Schedule

Min Stack

Possible Bipartition

linkedlist

Delete Node in a Linked List