Design Archives - TO THE INNOVATION

Flatten Nested List Iterator LeetCode Solution

Leetcode Solution / Design, Facebook, Google, LeetCode Solution, Medium, Stack, Twitter / February 2, 2025

Here, we see a Flatten Nested List Iterator LeetCode Solution. This Leetcode problem is solved using different approaches in many programming languages, such as C++, Java, JavaScript, Python, etc. List of all LeetCode Solution Flatten Nested List Iterator LeetCode Solution 1. Problem Statement You are given a nested list of integers nestedList. Each element is either an […]

Flatten Nested List Iterator LeetCode Solution Read More »

Leetcode Solution

Design Add and Search Words Data Structure LeetCode Solution

Leetcode Solution / Backtracking, Design, Facebook, LeetCode Solution, Medium, trie / February 2, 2025

Here, we see a Design Add and Search Words Data Structure LeetCode Solution. This Leetcode problem is solved using different approaches in many programming languages, such as C++, Java, JavaScript, Python, etc. List of all LeetCode Solution Design Add and Search Words Data Structure LeetCode Solution 1. Problem Statement Design a data structure that supports adding

Design Add and Search Words Data Structure LeetCode Solution Read More »

Leetcode Solution

Binary Search Tree Iterator LeetCode Solution

Leetcode Solution / Design, Facebook, Google, LeetCode Solution, Linkedin, Medium, Microsoft, Stack, Tree / February 2, 2025

Here, we see a Binary Search Tree Iterator LeetCode Solution. This Leetcode problem is solved using different approaches in many programming languages, such as C++, Java, JavaScript, Python, etc. List of all LeetCode Solution Binary Search Tree Iterator LeetCode Solution 1. Problem Statement Implement the BSTIterator class that represents an iterator over the in-order traversal of a binary search tree

Binary Search Tree Iterator LeetCode Solution Read More »

Leetcode Solution

Implement Trie (Prefix Tree) LeetCode Solution

Leetcode Solution / Bloomberg, Design, Facebook, Google, LeetCode Solution, Medium, Microsoft, trie, Twitter, Uber / February 2, 2025

Here, we see a Implement Trie (Prefix Tree) LeetCode Solution. This Leetcode problem is solved using different approaches in many programming languages, such as C++, Java, JavaScript, Python, etc. List of all LeetCode Solution Implement Trie (Prefix Tree) LeetCode Solution 1. Problem Statement A trie (pronounced as “try”) or prefix tree is a tree data structure used to efficiently store

Implement Trie (Prefix Tree) LeetCode Solution Read More »

Leetcode Solution

LRU Cache LeetCode Solution

Leetcode Solution / Amazon, Bloomberg, Design, Facebook, Google, LeetCode Solution, Medium, Microsoft, Palantir, Snapchat, Twitter, Uber, Yahoo, Zenefits / February 2, 2025

Here, we see LRU Cache LeetCode Solution. This Leetcode problem is solved using different approaches in many programming languages, such as C++, Java, JavaScript, Python, etc. List of all LeetCode Solution LRU Cache LeetCode Solution 1. Problem Statement Design a data structure that follows the constraints of a Least Recently Used (LRU) cache. Implement the LRUCache class: The functions get and put must

LRU Cache LeetCode Solution Read More »

Leetcode Solution

Peeking Iterator LeetCode Solution

Leetcode Solution / Apple, Design, Google, LeetCode Solution, Medium, Yahoo / February 3, 2025

Here, we see Peeking Iterator LeetCode Solution. This Leetcode problem is solved using different approaches in many programming languages, such as C++, Java, JavaScript, Python, etc. List of all LeetCode Solution Peeking Iterator LeetCode Solution 1. Problem Statement Design an iterator that supports the peek operation on an existing iterator in addition to the hasNext and the next operations. Implement the PeekingIterator class: Note: Each

Peeking Iterator LeetCode Solution Read More »

Leetcode Solution

Insert Delete GetRandom O1 LeetCode Solution

Leetcode Solution / Amazon, Array, Design, Facebook, Google, hash-table, LeetCode Solution, Medium, pocketgems, Twitter, Uber, Yelp / February 9, 2025

Here, we see an Insert Delete GetRandom O1 LeetCode Solution. This Leetcode problem is solved using different approaches in many programming languages, such as C++, Java, JavaScript, Python, etc. List of all LeetCode Solution Insert Delete GetRandom O1 LeetCode Solution 1. Problem Statement Implement the RandomizedSet class: You must implement the functions of the class such that each

Insert Delete GetRandom O1 LeetCode Solution Read More »

Leetcode Solution

Design Twitter LeetCode Solution

Leetcode Solution / Amazon, Design, hash-table, Heap, LeetCode Solution, Medium, Twitter / February 9, 2025

Here, we see a Design Twitter LeetCode Solution. This Leetcode problem is solved using different approaches in many programming languages, such as C++, Java, JavaScript, Python, etc. List of all LeetCode Solution Design Twitter LeetCode Solution 1. Problem Statement Design a simplified version of Twitter where users can post tweets, follow/unfollow another user, and is able

Design Twitter LeetCode Solution Read More »

Leetcode Solution

Serialize and Deserialize Binary Tree LeetCode Solution

Leetcode Solution / Amazon, Bloomberg, Design, Facebook, Google, Hard, LeetCode Solution, Linkedin, Microsoft, Tree, Uber, Yahoo / March 1, 2025

Here, we see a Serialize and Deserialize Binary Tree LeetCode Solution. This Leetcode problem is solved using different approaches in many programming languages, such as C++, Java, JavaScript, Python, etc. List of all LeetCode Solution Serialize and Deserialize Binary Tree LeetCode Solution 1. Problem Statement Serialization is the process of converting a data structure or object

Serialize and Deserialize Binary Tree LeetCode Solution Read More »

Leetcode Solution

Find Median from Data Stream LeetCode Solution

Leetcode Solution / Design, Google, Hard, Heap, LeetCode Solution / March 1, 2025

Here, we see a Find Median from Data Stream LeetCode Solution. This Leetcode problem is solved using different approaches in many programming languages, such as C++, Java, JavaScript, Python, etc. List of all LeetCode Solution Find Median from Data Stream LeetCode Solution 1. Problem Statement The median is the middle value in an ordered integer list. If the

Find Median from Data Stream LeetCode Solution Read More »

Leetcode Solution

LFU Cache LeetCode Solution

Leetcode Solution / Amazon, Design, Google, Hard, LeetCode Solution / March 1, 2025

Here, we see an LFU Cache LeetCode Solution. This Leetcode problem is solved using different approaches in many programming languages, such as C++, Java, JavaScript, Python, etc. List of all LeetCode Solution LFU Cache LeetCode Solution 1. Problem Statement Design and implement a data structure for a Least Frequently Used (LFU) cache. Implement the LFUCache class: To determine the least

LFU Cache LeetCode Solution Read More »

Leetcode Solution

All One Data Structure LeetCode Solution

Leetcode Solution / Design, Hard, LeetCode Solution, Uber / March 2, 2025

Here, we see the All One Data Structure LeetCode Solution. This Leetcode problem is solved using different approaches in many programming languages, such as C++, Java, JavaScript, Python, etc. List of all LeetCode Solution All One Data Structure LeetCode Solution 1. Problem Statement Design a data structure to store the strings’ count with the ability to

All One Data Structure LeetCode Solution Read More »

Leetcode Solution

Insert Delete GetRandom O(1) – Duplicates allowed LeetCode Solution

Leetcode Solution / Array, Design, Hard, hash-table, LeetCode Solution, Yelp / March 2, 2025

Here, we see an Insert Delete GetRandom O(1) – Duplicates allowed LeetCode Solution. This Leetcode problem is solved using different approaches in many programming languages, such as C++, Java, JavaScript, Python, etc. List of all LeetCode Solution Insert Delete GetRandom O(1) – Duplicates allowed LeetCode Solution 1. Problem Statement RandomizedCollection is a data structure that contains a

Insert Delete GetRandom O(1) – Duplicates allowed LeetCode Solution Read More »

Leetcode Solution