Python DSA Demos

Interview_workbook/algorithms/searching

Advanced Search

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/algorithms/searching

Binary Search

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/algorithms/searching

Linear Search

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/algorithms/searching

Quickselect

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/algorithms/sorting

Bubble Sort

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/algorithms/sorting

Heap Sort

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/algorithms/sorting

Insertion Sort

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/algorithms/sorting

Merge Sort

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/algorithms/sorting

Non Comparison Sorts

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/algorithms/sorting

Quick Sort

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/algorithms/sorting

Selection Sort

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/concurrency

Intro

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/data_structures

Fenwick Tree

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/data_structures

Heap Patterns

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/data_structures

Lfu Cache

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/data_structures

Lru Cache

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/data_structures

Segment Tree

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/data_structures

Trie

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/data_structures

Union Find

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/dp

Bitmask Tsp

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/dp

Coin Change

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/dp

Edit Distance

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/dp

Fibonacci

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/dp

Knapsack

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/dp

Lcs

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/dp

Longest Increasing Subsequence

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/dp

State Compression Grid

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/graphs

A Star

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/graphs

Bellman Ford

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/graphs

Bfs Dfs

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/graphs

Dijkstra

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/graphs

Floyd Warshall

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/graphs

Mst

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/graphs

Scc

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/graphs

Topological Sort

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode

Audit

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/arrays_hashing

Contains Duplicate

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/arrays_hashing

Encode And Decode Strings

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/arrays_hashing

Group Anagrams

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/arrays_hashing

Longest Common Prefix

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/arrays_hashing

Longest Consecutive Sequence

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/arrays_hashing

Product Of Array Except Self

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/arrays_hashing

Top K Frequent Elements

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/arrays_hashing

Two Sum

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/arrays_hashing

Valid Anagram

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/arrays_hashing

Valid Sudoku

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/backtracking

Combination Sum

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/backtracking

Combination Sum Ii

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/backtracking

Permutations

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/backtracking

Subsets

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/backtracking

Subsets Ii

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/binary_search

Binary Search

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/binary_search

Find Kth Smallest In Sorted Matrix

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/binary_search

Find Min In Rotated Sorted Array

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/binary_search

Find Peak Element

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/binary_search

Koko Eating Bananas

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/binary_search

Search 2D Matrix

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/binary_search

Search In Rotated Sorted Array

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/bit_manip

Counting Bits

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/bit_manip

Number Of 1 Bits

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/bit_manip

Reverse Bits

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/bit_manip

Single Number

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/dp_1d

Climbing Stairs

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/dp_1d

Coin Change

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/dp_1d

House Robber

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/dp_1d

House Robber Ii

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/dp_1d

Longest Increasing Subsequence

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/dp_1d

Partition Equal Subset Sum

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/dp_2d

Edit Distance

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/dp_2d

Longest Common Subsequence

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/dp_2d

Maximal Square

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/dp_2d

Unique Paths

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/dp_2d

Word Break

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/graphs

Clone Graph

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/graphs

Course Schedule

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/graphs

Course Schedule Ii

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/graphs

Number Of Islands

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/graphs

Pacific Atlantic Water Flow

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/graphs

Rotting Oranges

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/graphs

Surrounded Regions

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/greedy

Gas Station

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/greedy

Jump Game

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/greedy

Jump Game Ii

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/greedy

Partition Labels

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/heap

Find Median From Data Stream

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/heap

Kth Largest Element

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/heap

Last Stone Weight

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/heap

Task Scheduler

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/heap

Top K Frequent Words

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/intervals

Insert Interval

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/intervals

Meeting Rooms

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/intervals

Meeting Rooms Ii

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/intervals

Merge Intervals

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/intervals

Non Overlapping Intervals

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/linked_list

Add Two Numbers

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/linked_list

Linked List Cycle

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/linked_list

Linked List Cycle Ii

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/linked_list

Merge Two Sorted Lists

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/linked_list

Reorder List

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/linked_list

Reverse Linked List

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/math_geometry

Happy Number

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/math_geometry

Rotate Image

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/math_geometry

Set Matrix Zeroes

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/math_geometry

Spiral Matrix

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/sliding_window

Best Time To Buy Sell Stock

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/sliding_window

Find All Anagrams In String

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/sliding_window

Longest Repeating Character Replacement

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/sliding_window

Longest Substring Without Repeating

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/sliding_window

Minimum Window Substring

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/sliding_window

Permutation In String

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/sliding_window

Sliding Window Maximum

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/sliding_window

Subarray Product Less Than K

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/stack

Car Fleet

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/stack

Daily Temperatures

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/stack

Evaluate Reverse Polish Notation

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/stack

Generate Parentheses

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/stack

Largest Rectangle In Histogram

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/stack

Min Stack

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/stack

Valid Parentheses

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/trees

Balanced Binary Tree

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/trees

Binary Tree Level Order Traversal

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/trees

Diameter Of Binary Tree

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/trees

Invert Binary Tree

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/trees

Max Depth Binary Tree

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/trees

Same Tree

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/trees

Subtree Of Another Tree

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/trees

Validate Bst

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/tries

Add And Search Word

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/tries

Implement Trie

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/two_pointers

Container With Most Water

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/two_pointers

Move Zeroes

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/two_pointers

Remove Nth Node From End

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/two_pointers

Three Sum

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/two_pointers

Three Sum Closest

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/two_pointers

Trapping Rain Water

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/two_pointers

Two Sum Ii

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/leetcode/two_pointers

Valid Palindrome

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/math_utils

Number Theory

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/patterns

Backtracking

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/patterns

Binary Search On Answer

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/patterns

Meet In The Middle

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/patterns

Monotonic Stack

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/patterns

Sliding Window

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/patterns

Two Pointers

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/strings

Kmp

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/strings

Manacher

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/strings

Rabin Karp

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/strings

Suffix Array

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/strings

Z Algorithm

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/systems

Consensus Basics

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/systems

Rate Limiter

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/systems

Reservoir Sampling

Algorithm implementation with demo and complexity analysis.

Demo Output

Interview_workbook/systems

Sharded Bfs

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/arrays_hashing Easy

Two Sum

array hashmap

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/arrays_hashing Easy

Contains Duplicate

array hashmap

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/arrays_hashing Easy

Valid Anagram

string hashmap sorting

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/arrays_hashing Medium

Group Anagrams

array hashmap string

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/arrays_hashing Medium

Top K Frequent Elements

array hashmap heap +1

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/arrays_hashing Medium

Product of Array Except Self

array prefix_sum

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/arrays_hashing Medium

Valid Sudoku

array hashmap

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/arrays_hashing Medium

Longest Consecutive Sequence

array hashmap union_find

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/arrays_hashing Medium

Encode and Decode Strings

array string design

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/arrays_hashing Easy

Longest Common Prefix

string

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/two_pointers Easy

Valid Palindrome

two_pointers string

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/two_pointers Easy

Two Sum II - Input Array Is Sorted

array two_pointers

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/two_pointers Medium

3Sum

array two_pointers sorting

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/two_pointers Medium

3Sum Closest

array two_pointers sorting

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/two_pointers Medium

Container With Most Water

array two_pointers greedy

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/two_pointers Easy

Move Zeroes

array two_pointers

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/two_pointers Hard

Trapping Rain Water

Array Two Pointers Dynamic Programming +2

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/sliding_window Easy

Best Time to Buy and Sell Stock

array dynamic_programming

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/sliding_window Medium

Longest Substring Without Repeating Characters

string sliding_window hashmap

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/sliding_window Hard

Minimum Window Substring

string sliding_window hashmap

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/sliding_window Medium

Longest Repeating Character Replacement

string sliding_window

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/sliding_window Medium

Permutation in String

string sliding_window hashmap

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/sliding_window Medium

Find All Anagrams in a String

string sliding_window hashmap

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/sliding_window Hard

Sliding Window Maximum

array sliding_window queue +1

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/sliding_window Medium

Subarray Product Less Than K

array sliding_window

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/stack Easy

Valid Parentheses

string stack

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/stack Easy

Min Stack

stack design

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/stack Medium

Evaluate Reverse Polish Notation

array stack math

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/stack Medium

Generate Parentheses

string dynamic_programming backtracking

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/stack Medium

Daily Temperatures

array stack monotonic_stack

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/stack Medium

Car Fleet

array stack sorting

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/stack Hard

Largest Rectangle in Histogram

array stack monotonic_stack

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/binary_search Easy

Binary Search

array binary_search

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/binary_search Medium

Search in Rotated Sorted Array

array binary_search

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/binary_search Medium

Find Minimum in Rotated Sorted Array

array binary_search

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/binary_search Medium

Search a 2D Matrix

array binary_search

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/binary_search Medium

Kth Smallest Element in a Sorted Matrix

array binary_search heap

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/binary_search Medium

Koko Eating Bananas

array binary_search

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/binary_search Medium

Find Peak Element

array binary_search

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/linked_list Easy

Reverse Linked List

linked_list

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/linked_list Easy

Merge Two Sorted Lists

linked_list

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/linked_list Medium

Reorder List

linked_list two_pointers

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/linked_list Medium

Remove Nth Node From End of List

linked_list two_pointers

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/linked_list Easy

Linked List Cycle

linked_list two_pointers

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/linked_list Medium

Linked List Cycle II

linked_list two_pointers

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/linked_list Medium

Add Two Numbers

linked_list math

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/trees Easy

Invert Binary Tree

tree binary_tree dfs +1

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/trees Easy

Maximum Depth of Binary Tree

tree binary_tree dfs

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/trees Easy

Diameter of Binary Tree

tree binary_tree dfs

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/trees Easy

Balanced Binary Tree

tree binary_tree dfs

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/trees Easy

Same Tree

tree binary_tree dfs

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/trees Easy

Subtree of Another Tree

tree binary_tree dfs

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/trees Medium

Validate Binary Search Tree

tree binary_tree bst +1

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/trees Medium

Binary Tree Level Order Traversal

tree binary_tree bfs

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/tries Medium

Implement Trie (Prefix Tree)

trie string design

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/tries Medium

Design Add and Search Words Data Structure

trie string dfs +1

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/heap Medium

Kth Largest Element in an Array

array heap divide_conquer +1

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/heap Medium

Top K Frequent Words

string hashmap heap +1

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/heap Hard

Find Median from Data Stream

heap design

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/heap Medium

Task Scheduler

array hashmap greedy +1

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/heap Easy

Last Stone Weight

array heap

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/backtracking Medium

Subsets

array backtracking bit_manipulation

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/backtracking Medium

Subsets II

array backtracking

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/backtracking Medium

Combination Sum

array backtracking

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/backtracking Medium

Combination Sum II

array backtracking

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/backtracking Medium

Permutations

array backtracking

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/graphs Medium

Number of Islands

array dfs bfs +1

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/graphs Medium

Clone Graph

hashmap dfs bfs +1

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/graphs Medium

Course Schedule

dfs bfs graph +1

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/graphs Medium

Course Schedule II

dfs bfs graph +1

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/graphs Medium

Pacific Atlantic Water Flow

array dfs bfs

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/graphs Medium

Surrounded Regions

array dfs bfs +1

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/graphs Medium

Rotting Oranges

array bfs

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/intervals Medium

Merge Intervals

array sorting

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/intervals Medium

Insert Interval

array

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/intervals Medium

Non-overlapping Intervals

array dynamic_programming greedy +1

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/intervals Easy

Meeting Rooms

array sorting

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/intervals Medium

Meeting Rooms II

array two_pointers greedy +2

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/greedy Medium

Jump Game

array dynamic_programming greedy

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/greedy Medium

Jump Game II

array dynamic_programming greedy

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/greedy Medium

Gas Station

array greedy

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/greedy Medium

Partition Labels

string greedy two_pointers

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/dp_1d Easy

Climbing Stairs

math dynamic_programming

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/dp_1d Medium

House Robber

array dynamic_programming

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/dp_1d Medium

House Robber II

array dynamic_programming

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/dp_1d Medium

Coin Change

array dynamic_programming bfs

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/dp_1d Medium

Longest Increasing Subsequence

array binary_search dynamic_programming

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/dp_1d Medium

Partition Equal Subset Sum

array dynamic_programming

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/dp_2d Medium

Unique Paths

math dynamic_programming combinatorics

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/dp_2d Medium

Longest Common Subsequence

string dynamic_programming

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/dp_2d Hard

Edit Distance

string dynamic_programming

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/dp_2d Medium

Word Break

string dynamic_programming trie

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/dp_2d Medium

Maximal Square

array dynamic_programming

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/bit_manip Easy

Single Number

array bit_manipulation

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/bit_manip Easy

Number of 1 Bits

divide_conquer bit_manipulation

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/bit_manip Easy

Counting Bits

dynamic_programming bit_manipulation

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/bit_manip Easy

Reverse Bits

divide_conquer bit_manipulation

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/math_geometry Medium

Rotate Image

array math

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/math_geometry Medium

Spiral Matrix

array

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/math_geometry Medium

Set Matrix Zeroes

array hashmap

Algorithm implementation with demo and complexity analysis.

Demo Output

Leetcode/math_geometry Easy

Happy Number

hashmap math two_pointers

Algorithm implementation with demo and complexity analysis.

Demo Output

Visualizations

Sorting Visualizations

Algorithm implementation with demo and complexity analysis.

Demo Output

Visualizations

Graph Traversal (BFS/DFS)

Algorithm implementation with demo and complexity analysis.

Demo Output

Visualizations

Pathfinding (A*/Dijkstra/BFS/GBFS)

Algorithm implementation with demo and complexity analysis.

Demo Output

Visualizations

Array Techniques

Algorithm implementation with demo and complexity analysis.

Demo Output

Visualizations

Minimum Spanning Tree (Kruskal/Prim)

Algorithm implementation with demo and complexity analysis.

Demo Output

Visualizations

Topological Sort (Kahn)

Algorithm implementation with demo and complexity analysis.

Demo Output

Visualizations

Neural Network (MLP Classifier)

Algorithm implementation with demo and complexity analysis.