Practice DS & Algo Interview Questions

Low Level Design Interview Questions are on  Home  Page

Title Difficulty
10159.   Longest Substring with At Most Two Distinct Characters
Medium
10244.   Shortest Word Distance II
Medium
10253.   Meeting Rooms II
Medium
10261.   Graph Valid Tree
Medium
10267.   Palindrome Permutation II
Medium
10277.   Find the Celebrity
Medium
10323.   Number of Connected Components in an Undirected Graph
Medium
10340.   Longest Substring with At Most K Distinct Characters
Medium
10348.   Design Tic-Tac-Toe
Medium
10353.   Design Snake Game
Medium
10361.   Bomb Enemy
Medium
10362.   Design Hit Counter
Medium
10379.   Design Phone Directory
Medium
10490.   The Maze
Medium
10505.   The Maze II
Medium
10588.   Design In-Memory File System
Hard
10631.   Design Excel Sum Formula
Hard
10634.   Find the Derangement of An Array
Medium
10635.   Design Log Storage System
Medium
10642.   Design Google Search Autocomplete
Medium
10760.   Find Anagram Mappings
Easy
11057.   Campus Bikes
Medium
11060.   Missing Element in Sorted Array
Medium
11062.   Longest Repeating Substring
Medium
11066.   Campus Bikes II
Medium
11166.   Design File System
Medium
11167.   Minimum Cost to Connect Sticks
Medium
11842.   Next Palindrome Using Same Digits
Hard