Most Popular Coding Questions — Company Wise List : Part 6
Just for your reference…
Welcome back peeps. This post ( part 6 of tech interview series) is for the students who are preparing for their upcoming tech interviews. While I’m sitting on the other side of the table as an interviewer now; I know how daunting the prep journey can be. Use it just as a reference/practice resource.
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Tesla
- Best Meeting Point
- Tree Node
- Validate IP Address
- Insert Interval
- Paint House
- Alien Dictionary
- Design Twitter
- 24 Game
- Investments in 2016
- Palindromic Substrings
- Valid Parentheses
- Unique Paths
- Masking Personal Information
- Range Sum Query — Mutable
- Count Student Number in Departments
- Number of Music Playlists
- Friend Circles
- Find Median from Data Stream
- Text Justification
- One Edit Distance
- Merge Intervals
- LRU Cache
- Trapping Rain Water
- Max Points on a Line
- Regular Expression Matching
- Flatten 2D Vector
- The Skyline Problem
- Number of Islands
- Customer Placing the Largest Number of Orders
- Minimum Increment to Make Array Unique
- Find Duplicate File in System
- Clone Graph
- Word Break
- Implement Trie (Prefix Tree)
- Meeting Rooms
- Robot Bounded In Circle
- Permutation Sequence
- K-diff Pairs in an Array
- Integer to Roman
- Multiply Strings
- Random Pick with Weight
- Moving Average from Data Stream
- Word Break II
- Decode Ways
- Design HashMap
- Two Sum
- Kth Largest Element in an Array
- Insert Delete GetRandom O(1)
- Happy Number
- Merge k Sorted Lists
- The Maze
- Reorganize String
- Encode and Decode Strings
- Palindrome Linked List
- Time Based Key-Value Store
- Binary Tree Pruning
- Sliding Window Maximum
- Lowest Common Ancestor of a Binary Search Tree
- Wildcard Matching
- Valid Sudoku
- Binary Tree Maximum Path Sum
- Longest Common Prefix
- License Key Formatting
- Pascal’s Triangle
- Next Greater Element I
- Construct Binary Tree from Inorder and Postorder Traversal
- Minimum Window Substring
- Majority Element
- Reverse Linked List
- Symmetric Tree
- Number of Connected Components in an Undirected Graph
- Kth Smallest Element in a Sorted Matrix
- Trapping Rain Water II
- Binary Gap
- Design Skiplist
Salesforce
- Reaching Points
- LRU Cache
- K-diff Pairs in an Array
- Merge Intervals
- Letter Combinations of a Phone Number
- Design HashMap
- Reverse Words in a String
- Remove Duplicates from Sorted List II
- Flatten 2D Vector
- Two Sum
- LFU Cache
- Largest Number
- Word Ladder
- Remove Duplicates from Sorted List
- Find Minimum in Rotated Sorted Array
- House Robber II
- Lowest Common Ancestor of a Binary Tree
- The Skyline Problem
- 3Sum
- Merge k Sorted Lists
- Design Snake Game
- Construct Binary Tree from Preorder and Inorder Traversal
- Valid Parentheses
- Shuffle an Array
- Candy
- Isomorphic Strings
- Maximum Frequency Stack
- Find the Duplicate Number
- Basic Calculator III
- Top K Frequent Words
- Permutations
- Basic Calculator II
- Kth Largest Element in an Array
- Longest Increasing Subsequence
- Serialize and Deserialize Binary Tree
- Group Anagrams
- Trapping Rain Water
- Invert Binary Tree
- Rotate Image
- Sqrt(x)
- Course Schedule
- Top K Frequent Elements
- Decode String
- Design Search Autocomplete System
- Validate Binary Search Tree
- Simplify Path
- Symmetric Tree
- Word Break
- Search a 2D Matrix II
- Minimum Size Subarray Sum
- Set Matrix Zeroes
- Integer to Roman
- Valid Sudoku
- Longest Substring Without Repeating Characters
- Check If a Number Is Majority Element in a Sorted Array
Palantir
- UTF-8 Validation
- Minimum Time Difference
- Merge Intervals
- Integer to English Words
- LRU Cache
- Number of Islands
- Contains Duplicate III
- Find the Celebrity
- Inorder Successor in BST
- Flood Fill
- Trapping Rain Water
- Regular Expression Matching
- Contains Duplicate II
- Max Area of Island
- Rotate Image
- Contains Duplicate
- Course Schedule II
- Single Number
- Range Sum Query — Immutable
- Maximum Size Subarray Sum Equals k
Samsung
- Burst Balloons
- Two Sum
- Subtree of Another Tree
- Maximal Rectangle
- Valid Parentheses
- Longest Valid Parentheses
- Linked List Cycle
- Continuous Subarray Sum
- Reverse Bits
- Search in Rotated Sorted Array
- Rotate Image
- Middle of the Linked List
- Generate Parentheses
- Longest Substring Without Repeating Characters
- Longest Palindromic Substring
- Two Sum IV — Input is a BST
- Vertical Order Traversal of a Binary Tree
- Largest 1-Bordered Square
Snapchat
- Best Meeting Point
- Text Justification
- Valid Sudoku
- Word Search II
- Word Abbreviation
- Frog Jump
- Reconstruct Itinerary
- The Maze II
- Game of Life
- Word Break II
- LRU Cache
- Meeting Rooms II
- Ternary Expression Parser
- Basic Calculator II
- Add Strings
- Word Ladder
- Shortest Distance from All Buildings
- Sudoku Solver
- LFU Cache
- Word Break
- Alien Dictionary
- Word Search
- One Edit Distance
- Majority Element
- Basic Calculator
- Find Median from Data Stream
- Similar String Groups
- Number of Islands
- Basic Calculator III
- Design Log Storage System
- Spiral Matrix
- Trapping Rain Water
- Find K Closest Elements
- Smallest Range Covering Elements from K Lists
- Design Hit Counter
- Expression Add Operators
- Decode String
- Two Sum
- Binary Tree Vertical Order Traversal
- Maximum Sum of Two Non-Overlapping Subarrays
- 3Sum
- Merge Intervals
- Number of Islands II
- Unique Binary Search Trees
- Valid Anagram
- Sliding Window Median
- Combination Sum
- Minimum Window Substring
- Two Sum IV — Input is a BST
- Search in Rotated Sorted Array
- Interval List Intersections
- Wildcard Matching
- Reverse Linked List
- Spiral Matrix II
- Best Time to Buy and Sell Stock
- Combination Sum IV
- Group Anagrams
- Merge k Sorted Lists
- Design Search Autocomplete System
- Min Stack
- Lowest Common Ancestor of a Binary Tree
- Reverse Words in a String
- Longest Substring Without Repeating Characters
- Kth Largest Element in an Array
- Letter Combinations of a Phone Number
- Decode Ways
- Reverse Words in a String III
- Unique Paths
- Flood Fill
- Subarray Sum Equals K
- Top K Frequent Elements
- Generate Parentheses
- Valid Palindrome
- Unique Paths II
- Longest Common Prefix
- Reverse String
- Find Minimum in Rotated Sorted Array
- Closest Binary Search Tree Value
- Combination Sum II
Nvidia
- Reverse Linked List
- Rotate Image
- Search in Rotated Sorted Array
- Reverse Words in a String
- Number of Islands
- LRU Cache
- Interleaving String
- Maximum Subarray
Paypal
- ZigZag Conversion
- Two Sum
- Spiral Matrix
- Shortest Word Distance
- Integer to English Words
- LRU Cache
- Peeking Iterator
- K-diff Pairs in an Array
- Valid Anagram
- Move Zeroes
- Reverse Nodes in k-Group
- Delete Node in a Linked List
- Reverse Linked List
- Binary Tree Right Side View
- Lowest Common Ancestor of a Binary Tree
- Permutations
- Basic Calculator
- Maximum Subarray
- Merge Intervals
- Reverse Words in a String
- Valid Parentheses
- Binary Tree Level Order Traversal
- Gas Station
- Merge k Sorted Lists
- Best Time to Buy and Sell Stock
- Add Two Numbers
- Reverse Words in a String III
- Search a 2D Matrix II
- Remove Linked List Elements
- 3Sum
- Longest Substring Without Repeating Characters
- Reverse Integer
- Meeting Rooms II
- Two Sum II — Input array is sorted
- Number of Islands
- Course Schedule
- Meeting Scheduler
Two Sigma
- Friend Circles
- Maximum Sum Circular Subarray
- Longest String Chain
- LRU Cache
- Best Time to Buy and Sell Stock III
- Wildcard Matching
- Power of Four
- Random Pick with Weight
- Insert Delete GetRandom O(1)
- Game of Life
- Random Pick with Blacklist
- Median of Two Sorted Arrays
- Maximum Subarray
- Merge Intervals
- Two Sum
- Intersection of Two Arrays
- Reverse Linked List
- Maximum Subarray Sum with One Deletion
All the Complete System Design Series Parts —
6. Networking, How Browsers work, Content Network Delivery ( CDN)
Github —
Part 7: Coming soon!
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For Python Projects —
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Recurrent Neural Network with Keras
Clustering Geolocation Data in Python using DBSCAN and K-Means
Facial Expression Recognition using Keras
Hyperparameter Tuning with Keras Tuner
Custom Layers in Keras
