Tesla Interview Questions — 46 DSA Problems

43 problems with full solutions in Python, Java, C++, JavaScript, Go, Rust.

Most frequently asked Tesla LeetCode questions for software engineering interviews.

• Longest Substring Without Repeating Characters (MEDIUM) — Hash Table, String, Sliding Window
• Find Followers Count (EASY) — Database
• Minimum Changes To Make Alternating Binary String (EASY) — String
• Basic Calculator II (MEDIUM) — Math, String, Stack
• Merge Intervals (MEDIUM) — Array, Sorting
• Number of Islands (MEDIUM) — Array, Depth-First Search, Breadth-First Search, Union Find, Matrix
• Design Circular Queue (MEDIUM) — Array, Linked List, Design, Queue
• Building H2O (MEDIUM) — Concurrency
• Letter Combinations of a Phone Number (MEDIUM) — Hash Table, String, Backtracking
• Valid Parentheses (EASY) — String, Stack
• Top K Frequent Elements (MEDIUM) — Array, Hash Table, Divide and Conquer, Sorting, Heap (Priority Queue), Bucket Sort, Counting, Quickselect
• Container With Most Water (MEDIUM) — Array, Two Pointers, Greedy
• LRU Cache (MEDIUM) — Hash Table, Linked List, Design, Doubly-Linked List
• Best Time to Buy and Sell Stock (EASY) — Array, Dynamic Programming
• Reverse Nodes in k-Group (HARD) — Linked List, Recursion
• Maximum Number of Balloons (EASY) — Hash Table, String, Counting
• Move Zeroes (EASY) — Array, Two Pointers
• Subarray Sum Equals K (MEDIUM) — Array, Hash Table, Prefix Sum
• Decode the Message (EASY) — Hash Table, String
• 3Sum (MEDIUM) — Array, Two Pointers, Sorting
• Valid Anagram (EASY) — Hash Table, String, Sorting
• Reorganize String (MEDIUM) — Hash Table, String, Greedy, Sorting, Heap (Priority Queue), Counting
• Max Area of Island (MEDIUM) — Array, Depth-First Search, Breadth-First Search, Union Find, Matrix
• Maximum Subarray (MEDIUM) — Array, Divide and Conquer, Dynamic Programming
• Flatten Nested List Iterator (MEDIUM) — Stack, Tree, Depth-First Search, Design, Queue, Iterator
• Find Winner on a Tic Tac Toe Game (EASY) — Array, Hash Table, Matrix, Simulation
• Trapping Rain Water (HARD) — Array, Two Pointers, Dynamic Programming, Stack, Monotonic Stack
• Basic Calculator (HARD) — Math, String, Stack, Recursion
• First Missing Positive (HARD) — Array, Hash Table
• Repeated DNA Sequences (MEDIUM) — Hash Table, String, Bit Manipulation, Sliding Window, Rolling Hash, Hash Function
• Moving Average from Data Stream (EASY) — Array, Design, Queue, Data Stream
• Group Anagrams (MEDIUM) — Array, Hash Table, String, Sorting
• Longest Palindromic Substring (MEDIUM) — Two Pointers, String, Dynamic Programming
• Simplify Path (MEDIUM) — String, Stack
• Largest Perimeter Triangle (EASY) — Array, Math, Greedy, Sorting
• Missing Number (EASY) — Array, Hash Table, Math, Binary Search, Bit Manipulation, Sorting
• Construct Binary Tree from Preorder and Inorder Traversal (MEDIUM) — Array, Hash Table, Divide and Conquer, Tree, Binary Tree
• Is Subsequence (EASY) — Two Pointers, String, Dynamic Programming
• Combination Sum II (MEDIUM) — Array, Backtracking
• Find Minimum in Rotated Sorted Array (MEDIUM) — Array, Binary Search
• Design Bounded Blocking Queue (MEDIUM) — Concurrency
• House Robber (MEDIUM) — Array, Dynamic Programming
• Reverse Linked List (EASY) — Linked List, Recursion
• Course Schedule II (MEDIUM) — Depth-First Search, Breadth-First Search, Graph, Topological Sort
• Serialize and Deserialize Binary Tree (HARD) — String, Tree, Depth-First Search, Breadth-First Search, Design, Binary Tree
• Design Tic-Tac-Toe (MEDIUM) — Array, Hash Table, Design, Matrix, Simulation