jventura1738 / interview-preparation

my solutions to interview prep questions 2021-2022 (deprecated now)

interview-preparation 2021-2022

THIS IS THE OLD VERSION, I AM WORKING ON A NEW ONE NOW.

Justin Ventura

Blind 75 LeetCode (there are others in repo not in B75)

1. Array

   • Two Sum
   • Best Time to Buy and Sell Stock
   • Contains Duplicate
   • Product of Array Except Self
   • Maximum Subarray
   • Maximum Product Subarray
   • Find Minimum in Rotated Sorted Array
   • Search in Rotated Sorted Array
   • 3 Sum
   • Container With Most Water

2. Binary

   • Sum of Two Integers
   • Number of 1 Bits
   • Counting Bits
   • Missing Number
   • Reverse Bits

3. Dynamic Programming

   • Climbing Stairs
   • Coin Change
   • Longest Increasing Subsequence
   • Longest Common Subsequence
   • Word Break Problem
   • Combination Sum
   • House Robber
   • House Robber II
   • Decode Ways
   • Unique Paths
   • Jump Game

4. Graph

   • Clone Graph
   • Course Schedule
   • Pacific Atlantic Water Flow
   • Number of Islands
   • Longest Consecutive Sequence
   • Alien Dictionary (Leetcode Premium)
   • Graph Valid Tree (Leetcode Premium)
   • Number of Connected Components in an Undirected Graph (Leetcode Premium)

5. Interval

   • Insert Interval
   • Merge Intervals
   • Non-overlapping Intervals
   • Meeting Rooms (Leetcode Premium)
   • Meeting Rooms II (Leetcode Premium)

6. Linked List

   • Reverse a Linked List
   • Detect Cycle in a Linked List
   • Merge Two Sorted Lists
   • Merge K Sorted Lists
   • Remove Nth Node From End Of List
   • Reorder List

7. Matrix

   • Set Matrix Zeroes
   • Spiral Matrix
   • Rotate Image
   • Word Search

8. String

   • Longest Substring Without Repeating Characters
   • Longest Repeating Character Replacement
   • Minimum Window Substring
   • Valid Anagram
   • Group Anagrams
   • Valid Parentheses
   • Valid Palindrome
   • Longest Palindromic Substring
   • Palindromic Substrings
   • Encode and Decode Strings (Leetcode Premium)

9. Tree

   • Maximum Depth of Binary Tree
   • Same Tree
   • Invert/Flip Binary Tree
   • Binary Tree Maximum Path Sum
   • Binary Tree Level Order Traversal
   • Serialize and Deserialize Binary Tree
   • Subtree of Another Tree
   • Construct Binary Tree from Preorder and Inorder Traversal
   • Validate Binary Search Tree
   • Kth Smallest Element in a BST
   • Lowest Common Ancestor of BST
   • Implement Trie (Prefix Tree)
   • Add and Search Word
   • Word Search II

10. Heap

    • Merge K Sorted Lists
    • Top K Frequent Elements
    • Find Median from Data Stream