AndrewLosseff / leetcode-typescript-solutions

leetcode-typescript-solutions

About

This is a companion repository for this playlist https://www.youtube.com/watch?v=NdLSLR7zrXw&list=PLXjwMrEcNKKf9iCfHwWHoKlBF5Ct64FF-

How to use this repo

// TODO: Add how to use the repo

📺 - means there is a video with explanation on YouTube

Difficulty level: 🟢 - easy level 🟠 - medium level 🔴 - hard level

⭕️ - Problem not solved yet

List of problems

• 0001 🟢 Two Sum https://leetcode.com/problems/two-sum/
• ⭕️🟠 003 Longest Substring Without Repeating Characters https://leetcode.com/problems/longest-substring-without-repeating-characters/
• 0013 Roman to Integer https://leetcode.com/problems/roman-to-integer/
• 📺🟢 0014 Longest Common Prefix https://leetcode.com/problems/longest-common-prefix/
• ⭕️ 0021 Merge Two Sorted Lists https://leetcode.com/problems/merge-two-sorted-lists/
• 🟢 0026 Remove Duplicates from Sorted Array https://leetcode.com/problems/remove-duplicates-from-sorted-array/
• 🟢 0027 Remove Element https://leetcode.com/problems/remove-element/
• ⭕️🔴 0041 First Missing Positive https://leetcode.com/problems/first-missing-positive/
• 🟢 0049 Group Anagrams https://leetcode.com/problems/group-anagrams/
• 🟢 0058 Length of Last Word https://leetcode.com/problems/length-of-last-word/
• ⭕️🟢 0070 Climbing Stairs https://leetcode.com/problems/climbing-stairs/
• 🟢 0075 Sort Colors https://leetcode.com/problems/sort-colors/
• 0088 Merge Sorted Array https://leetcode.com/problems/merge-sorted-array/
• ⭕️🟢 0118 Pascal's Triangle https://leetcode.com/problems/pascals-triangle/
• 0121 Best Time to Buy and Sell Stock https://leetcode.com/problems/best-time-to-buy-and-sell-stock/
• 0125 Valid Palindrome https://leetcode.com/problems/valid-palindrome/
• ⭕️🟠 0167 Two Sum II - Input Array Is Sorted https://leetcode.com/problems/two-sum-ii-input-array-is-sorted/
• 🟢 0169 Majority Element https://leetcode.com/problems/majority-element/
• ⭕️🟠 0179 Largest Number https://leetcode.com/problems/largest-number/
• 🟢 0203 Remove Linked List Elements https://leetcode.com/problems/remove-linked-list-elements/
• 🟢 0205 Isomorphic Strings https://leetcode.com/problems/isomorphic-strings/
• 0206 Reverse Linked List https://leetcode.com/problems/reverse-linked-list/
• 📺🟢 0217 Contains Duplicate https://leetcode.com/problems/contains-duplicate/
• 0234 Palindrome Linked List https://leetcode.com/problems/palindrome-linked-list/
• 🟠 0238 Product of Array Except Self https://leetcode.com/problems/product-of-array-except-self/
• 0242 Valid Anagram https://leetcode.com/problems/valid-anagram/
• 0283 Move Zeroes https://leetcode.com/problems/move-zeroes/
• 0344 Reverse String https://leetcode.com/problems/reverse-string/
• ⭕️🟠 0347 Top K Frequent Elements https://leetcode.com/problems/top-k-frequent-elements/
• 0387 First Unique Character in a String https://leetcode.com/problems/first-unique-character-in-a-string/
• 0392 Is Subsequence https://leetcode.com/problems/is-subsequence/
• 0448 Find All Numbers Disappeared in an Array https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array/
• 0509 Fibonacci Number https://leetcode.com/problems/fibonacci-number/
• ⭕️🟠 0567 Permutation in String https://leetcode.com/problems/permutation-in-string/
• 0605 Can Place Flowers https://leetcode.com/problems/can-place-flowers/
• ⭕️🟠 0665 Non-decreasing Array https://leetcode.com/problems/non-decreasing-array/
• 0704 Binary Search https://leetcode.com/problems/binary-search/
• 🟢 0724 Find Pivot Index https://leetcode.com/problems/find-pivot-index
• ⭕️🟢 1189 Maximum Number of Balloons https://leetcode.com/problems/maximum-number-of-balloons/
• 1290 Convert Binary Number in a Linked List to Integer https://leetcode.com/problems/convert-binary-number-in-a-linked-list-to-integer/
• 1299 Replace Elements with Greatest Element on Right Side https://leetcode.com/problems/replace-elements-with-greatest-element-on-right-side/
• 🟢 1480 Running Sum of 1d Array https://leetcode.com/problems/running-sum-of-1d-array
• ⭕️🟢 1474 Delete N Nodes After M Nodes of a Linked List https://leetcode.com/problems/delete-n-nodes-after-m-nodes-of-a-linked-list/
• 1929🟢 Concatenation of Array https://leetcode.com/problems/concatenation-of-array/

LeetCode Explore

• Introduction to Data Structure: Arrays 101

PRs are welcome!