https://github.com/fresult/algoexpert.io

https://github.com/fresult/algoexpert.io

datastructures-algorithms

Last synced: 3 months ago
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• Host: GitHub
• URL: https://github.com/fresult/algoexpert.io
• Owner: fResult
• Created: 2024-10-20T13:16:32.000Z (7 months ago)
• Default Branch: main
• Last Pushed: 2024-10-24T14:36:04.000Z (7 months ago)
• Last Synced: 2024-10-24T18:31:58.924Z (7 months ago)
• Topics: datastructures-algorithms
• Language: TypeScript
• Homepage:
• Size: 54.7 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# AlgoExpert.io

Practice Data Structure and Algorithm with AlgoExpert

## Categories

Arrays - 33 problems

    


        
Two Number Sum

        
Validate Subsequence

        
Sorted Squared Array

        
Tournament Winner

        
Non-Constructible Change

        
Transpose Matrix

        
Three Number Sum

        
Smallest Difference

        
Move Element To End

        
Monotonic Array

        
Spiral Traverse

        
Longest Peak

        
Array Of Products

        
First Duplicate Value

        
Merge Overlapping Intervals

        
Best Seat

        
Zero Sum Subarray

        
Missing Numbers

        
Majority Element

        
Sweet And Savory

        
Four Number Sum

        
Subarray Sort

        
Largest Range

        
Min Rewards

        
Zigzag Traverse

        
Longest Subarray With Sum

        
Knight Connection

        
Count Squares

        
Apartment Hunting

        
Calendar Matching

        
Waterfall Streams

        
Minimum Area Rectangle

        
Line Through Points

    


Binary Search Trees - 12 problems

    


        
Find Closest Value In BST

        
BST Construction

        
Validate BST

        
BST Traversal

        
Min Height BST

        
Find Kth Largest Value In BST

        
Reconstruct BST

        
Same BSTs

        
Validate Three Nodes

        
Repair BST

        
Sum BSTs

        
Right Smaller Than

    


Binary Trees - 17 problems

    - Branch Sums

    - Node Depths

    - Evaluate Expression Tree

    - Invert Binary Tree

    - Binary Tree Diameter

    - Find Successor

    - Height Balanced Binary Tree

    - Merge Binary Trees

    - Symmetrical Tree

    - Split Binary Tree

    - Max Path Sum In Binary Tree

    - Find Nodes Distance K

    - Iterative In-order Traversal

    - Flatten Binary Tree

    - Right Sibling Tree

    - All Kinds Of Node Depths

    - Compare Leaf Traversal

Dynamic Programming - 21 problems

    - Max Subset Sum No Adjacent

    - Number Of Ways To Make Change

    - Min Number Of Coins For Change

    - Levenshtein Distance

    - Number Of Ways To Traverse Graph

    - Max Sum Increasing Subsequence

    - Longest Common Subsequence

    - Min Number Of Jumps

    - Water Area

    - Knapsack Problem

    - Disk Stacking

    - Numbers In Pi

    - Maximum Sum Submatrix

    - Maximize Expression

    - Dice Throws

    - Juice Bottling

    - Max Profit With K Transactions

    - Palindrome Partitioning Min Cuts

    - Longest Increasing Subsequence

    - Longest String Chain

    - Square of Zeroes

Famous Algorithms - 9 problems

    - Kadane's Algorithm

    - Stable internships

    - Union Find

    - Dijkstra's Algorithm

    - Topological Sort

    - Kruskal's Algorithm

    - Prim's Algorithm

    - Knuth—Morris—Pratt Algorithm

    - A* Algorithm

Graphs - 15 problems

    - Depth-first Search

    - Single Cycle Check

    - Breadth-first Search

    - River Sizes

    - Youngest Common Ancestor

    - Remove Islands

    - Cycle In Graph

    - Minimum Passes Of Matrix

    - Two-Colorable

    - Boggle Board

    - Largest Island

    - Rectangle Mania

    - Detect Arbitrage

    - Two-Edge-Connected Graph

    - Airport Connections

Greedy Algorithms - 6 problems

    - Minimum Waiting Time

    - Class Photos

    - Tandem Bicycle

    - Optimal Freelancing

    - Task Assignment

    - Valid Starting City

Heaps - 5 problems

    - Min Heap Construction

    - Continuous Median

    - Sort K-Sorted Array

    - Laptop Rentals

    - Merge Sorted Arrays

Linked Lists - 15 problems

    - Remove Duplicates From Linked List

    - Middle Node

    - Linked List Construction

    - Remove Kth Node From End

    - Sum of Linked Lists

    - Merging Linked Lists

    - Find Loop

    - Reverse Linked List

    - Merge Linked Lists

    - Shift Linked List

    - LRU Cache

    - Rearrange Linked List

    - Linked List Palindrome

    - Zip Linked List

    - Node Swap

Recursion - 15 problems

    - Nth Fibonacci

    - Product Sum

    - Permutations

    - Powerset

    - Phone Number Mnemonics

    - Staircase Traversal

    - Blackjack Probability

    - Reveal Minesweeper

    - Lowest Common Manager

    - Interweaving Strings

    - Solve Sudoku

    - Generate Div Tags

    - Ambiguous Measurements

    - Number Of Binary Tree Topologies

    - Non-Attacking Queens

Searching - 9 problems

    - Binary Search

    - Find Three Largest Numbers

    - Search In Sorted Matrix

    - Shifted Binary Search

    - Search For Range

    - Quickselect

    - Index Equals Value

    - Median Of Two Sorted Arrays

    - Optimal Assembly Line

Sorting - 9 problems

    - Bubble Sort

    - Insertion Sort

    - Selection Sort

    - Three Number Sort

    - Quick Sort

    - Heap Sort

    - Radix Sort

    - Merge Sort

    - Count Inversions

Stacks - 11 problems

    - Min Max Stack Construction

    - Balanced Brackets

    - Sunset Views

    - Best Digits

    - Sort Stack

    - Next Greater Element

    - Reverse Polish Notation

    - Colliding Asteroids

    - Shorten Path

    - Largest Rectangle Under Skyline

    - Largest Park

Strings - 18 problems

    - Palindrome Check

    - Caesar Cipher Encryptor

    - Run-Length Encoding

    - Common Characters

    - Generate Document

    - First Non-Repeating Character

    - Semordnilap

    - Longest Palindromic Substring

    - Group Anagrams

    - Valid IP Addresses

    - Reverse Words In String

    - Minimum Characters For Words

    - One Edit

    - Longest Substring Without Duplication

    - Underscorify Substring

    - Pattern Matcher

    - Smallest Substring Containing

    - Longest Balanced Substring

Tries - 5 problems

    - Suffix Trie Construction

    - Multi String Search

    - Longest Most Frequent Prefix

    - Shortest Unique Prefixes

    - Strings Made Up Of Strings