Mohitpanjikar / Design-Data-Structure

Welcome to the Design Data Structures repository! Here, I solve some of the most frequently asked design data structure questions from LeetCode. Each solution is implemented with clear, efficient, and well-documented code to help you understand the underlying concepts.

Design-Data-Structure

Welcome to the Design Data Structures repository! Here, I solve some of the most frequently asked design data structure questions from LeetCode. Each solution is implemented with clear, efficient, and well-documented code to help you understand the underlying concepts.

Questions

Problem Name
LRU Cache (Leetcode-146)
LFU Cache (Leetcode - 460)
Min Stack (O(n) space) (Leetcode-155)
Min Stack (using stack of pair) (Leetcode-155)
Design a stack with operations on middle element
Peeking Iterator (Leetcode - 284)
Maximum Frequency Stack (Leetcode - 895)
Design HashMap (Leetcode - 706)
Design HashSet (Leetcode - 705)
Encode and Decode TinyURL (Leetcode - 535)
Design Circular Queue (Leetcode - 622)
Flatten Nested List Iterator (Leetcode - 341)
Design Tic-Tac-Toe (Leetcode - 348)
Max Stack (Leetcode - 716)
Search Suggestions System (Leetcode - 1268)
Insert Delete GetRandom O(1) (Leetcode - 380)
Find Median from Data Stream (Leetcode - 295)
Map Sum Pairs (Leetcode - 677)
Implement Stack using Queues (Leetcode - 225)
Operations on Tree (Leetcode - 1993)
Time Based Key-Value Store (Leetcode - 981)
Design Browser History (Leetcode - 1472)
Design Add and Search Words Data Structure (Leetcode - 211)
Design Parking System (Leetcode - 1603)
Design Underground System (Leetcode - 1396)
Snapshot Array (Leetcode - 1146)
Seat Reservation Manager (Leetcode - 1845)
Design a Food Rating System (Leetcode - 2353)