Algorithms-Javascript

Solutions of algorithm problems using Javascript. https://ignacio-chiazzo.github.io/Algorithms-Leetcode-Javascript/

Structure

The solutions are located under

/LeetcodeProblems

/LeetcodeProblemsTest

Run Scripts

To run all the test run

node Test.js

To run a specific problem in your console, go to the file test, add the call to the test function (

test()

node 

node LeetcodeProblems/Lowest_Common_Ancestor_of_a_Binary_Tree.js

Leetcode Problems

| Name | Level | Link | | - | - | - | | Edit Distance | Hard | https://leetcode.com/problems/edit-distance/ | | Remove Invalid Parentheses | Hard | https://leetcode.com/problems/remove-invalid-parentheses/ | | Longest Consecutive Sequence | Hard | https://leetcode.com/problems/longest-consecutive-sequence/ | | Minimum Window Substring | Hard | https://leetcode.com/problems/minimum-window-substring/ | | Regular Expression Matching | Hard | https://leetcode.com/problems/regular-expression-matching/ | | NQueens | Hard | https://leetcode.com/problems/n-queens/ | | merge k sorted lists | Hard | https://leetcode.com/problems/merge-k-sorted-lists/ | | Set Matrix Zeroes | Hard | https://leetcode.com/problems/set-matrix-zeroes/ | | Subarray Sum Equals K | Medium | https://leetcode.com/problems/subarray-sum-equals-k/ | | 3Sum | Medium | https://leetcode.com/problems/3sum/ | | NumberOfIslands | Medium | https://leetcode.com/problems/number-of-islands/ | | Swap Nodes in Pairs | Medium | https://leetcode.com/problems/swap-nodes-in-pairs/ | | Add Two Numbers | Medium | https://leetcode.com/problems/add-two-numbers/ | | Clone Graph | Medium | https://leetcode.com/problems/clone-graph/ | | Coin Change | Medium | https://leetcode.com/problems/coin-change/ | | Design Circular Deque | Medium | https://leetcode.com/problems/design-circular-deque/ | Escape The Ghosts | Medium | https://leetcode.com/problems/escape-the-ghosts/ | | Generate Parenthesis | Medium | https://leetcode.com/problems/generate-parentheses | | Group Anagrams | Medium | https://leetcode.com/problems/group-anagrams/ | Kth Largest Element in an Array | Medium | https://leetcode.com/problems/kth-largest-element-in-an-array/ | | Linked List Cycle II | Medium | https://leetcode.com/problems/linked-list-cycle-ii/ | | Longest Palindromic Substring | Medium | https://leetcode.com/problems/longest-palindromic-substring/| | Max Area Of Island | Medium | https://leetcode.com/problems/max-area-of-island/ | | Maximal Square | Medium | https://leetcode.com/problems/maximal-square/ | | Permutations | Medium | https://leetcode.com/problems/permutations/ | | Permutations II | Medium | https://leetcode.com/problems/permutations-ii/ | | Permutations Without Duplicates | Medium | https://leetcode.com/problems/permutations/ | | Restore IP Addresses | Medium | https://leetcode.com/problems/restore-ip-addresses/ | | SearchIng Rotated Sorted Array | Medium | https://leetcode.com/problems/search-in-rotated-sorted-array/ | | Search a 2D Matrix | Medium | https://leetcode.com/problems/search-a-2d-matrix/ | | Search a 2D Matrix II | Medium | https://leetcode.com/problems/search-a-2d-matrix/ | | Simplify Path | Medium | https://leetcode.com/problems/simplify-path/ | | Spiral Matrix | Medium | https://leetcode.com/problems/spiral-matrix/ | | Subsets | Medium | https://leetcode.com/problems/subsets/ | | Unique Binary Search Trees | Medium | https://leetcode.com/problems/unique-binary-search-trees/ | | Unique Paths | Medium | https://leetcode.com/problems/unique-paths/ | | Verify Preorder Serialization of a Binary Tree | Medium | https://leetcode.com/problems/verify-preorder-serialization-of-a-binary-tree/ | | Construct Binary Tree from Preorder and Inorder Traversal | Medium | https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/ | | Lowest Common Ancestor of a Binary Tree | Medium | https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree/ | | Flood Fill | Easy | https://leetcode.com/problems/flood-fill/ | | Implement stack using queues | Easy | https://leetcode.com/problems/implement-stack-using-queues/ | | Number of Segments in a String | Easy | https://leetcode.com/problems/number-of-segments-in-a-string/ | | Maximun Subarray | Easy | https://leetcode.com/problems/maximum-subarray | | Min Stack | Easy | https://leetcode.com/problems/min-stack/ |
| Reverse String II | Easy | https://leetcode.com/problems/reverse-string-ii/ | | Same Tree | Easy | https://leetcode.com/problems/same-tree/ | | Sum Of Square Numbers | Easy | https://leetcode.com/problems/sum-of-square-numbers/ | | Symmetric Tree | Easy | https://leetcode.com/problems/symmetric-tree/ | | Valid Parentheses | Easy | https://leetcode.com/problems/valid-parentheses/ | | Backspace String Compare | Easy | https://leetcode.com/problems/backspace-string-compare/ | | Binary Gap | Easy | https://leetcode.com/problems/binary-gap/ | | Binary Gap | Easy | https://leetcode.com/problems/binary-gap/ | | Majority Element | Easy | https://leetcode.com/problems/majority-element/ | | Tic Tac Toe | | | | Permutations With Duplicates | | | | Deletion Distance | | | | Award Budget Cuts | | |

Sorting Algorithms

| Algoritmhs | | - | | Heap Sort | | Quick Sort |

Databases

| Problems | Level | Link | |-|-|-| | Trips and Users | Hard | https://leetcode.com/problems/trips-and-users/ | | Human Traffic of Stadium | Hard | https://leetcode.com/problems/human-traffic-of-stadium | | Rank Scores | Medium | https://leetcode.com/problems/rank-scores | | Consecutive Numbers | Medium | https://leetcode.com/problems/consecutive-numbers | | Department Highest Salary | Medium | https://leetcode.com/problems/department-highest-salary | | Exchange Seats | Medium | https://leetcode.com/problems/exchange-seats | | Nth Highest Salary | Medium | https://leetcode.com/problems/nth-highest-salary | | Combine Two Tables | Easy | https://leetcode.com/problems/combine-two-tables | | Second Highest Salary| Easy | https://leetcode.com/problems/second-highest-salary | | Customers Who Never Order| Easy | https://leetcode.com/problems/customers-who-never-order | | Reformat Department Table | Easy | https://leetcode.com/problems/reformat-department-table | | Employees Earning More Than Their Managers | Easy | https://leetcode.com/problems/employees-earning-more-than-their-managers/ | | Delete Duplicate Emails | Easy | https://leetcode.com/problems/delete-duplicate-emails | | Rising Temperature | Easy | https://leetcode.com/problems/rising-temperature |

UtilsClasses

Other languages provides built-in classes (e.g Linked List, Tree, etc). This module contains util classes to use in your problems.

Contributions

If you want to contribute to this repo by adding a problem you should:

1) Add the description of the problem at the top of the file. 2) Add a test file with some test cases. The test file must export a

test()

PR Example: https://github.com/ignacio-chiazzo/Algorithms-Leetcode-Javascript/pull/39