All Google Coding Interview Questions
1878 questions we track for Google, most frequently asked first. Practice any of them in the code editor and get AI feedback on your solution.
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- Junior26% (484)
- Mid/Senior52% (980)
- Staff22% (414)
Questionspage 3 of 19
- Valid Anagram38 companiesJunior
- Meeting Rooms10 companiesJunior
- Meeting Rooms II43 companiesMid/Senior
- Paint House8 companiesMid/Senior
- Binary Tree Paths7 companiesJunior
- Add Digits10 companiesJunior
- 3Sum Smaller7 companiesMid/Senior
- Single Number III7 companiesMid/Senior
- Graph Valid Tree8 companiesMid/Senior
- Ugly Number7 companiesJunior
- Ugly Number II8 companiesMid/Senior
- Palindrome Permutation8 companiesJunior
- Missing Number19 companiesJunior
- Alien Dictionary17 companiesStaff
- Closest Binary Search Tree Value9 companiesJunior
- Integer to English Words23 companiesStaff
- H-Index8 companiesMid/Senior
- Perfect Squares11 companiesMid/Senior
- Expression Add Operators7 companiesStaff
- Move Zeroes47 companiesJunior
- Inorder Successor in BST6 companiesMid/Senior
- Walls and Gates12 companiesMid/Senior
- Find the Duplicate Number22 companiesMid/Senior
- Game of Life16 companiesMid/Senior
- Word Pattern9 companiesJunior
- Nim Game6 companiesJunior
- Best Meeting Point9 companiesStaff
- Bulls and Cows6 companiesMid/Senior
- Longest Increasing Subsequence31 companiesMid/Senior
- Remove Invalid Parentheses10 companiesStaff
- Number of Islands II7 companiesStaff
- Additive Number3 companiesMid/Senior
- Best Time to Buy and Sell Stock with Cooldown8 companiesMid/Senior
- Minimum Height Trees7 companiesMid/Senior
- Sparse Matrix Multiplication9 companiesMid/Senior
- Burst Balloons14 companiesStaff
- Super Ugly Number4 companiesMid/Senior
- Binary Tree Vertical Order Traversal10 companiesMid/Senior
- Count of Smaller Numbers After Self5 companiesStaff
- Remove Duplicate Letters13 companiesMid/Senior
- Shortest Distance from All Buildings13 companiesStaff
- Maximum Product of Word Lengths2 companiesMid/Senior
- Bulb Switcher9 companiesMid/Senior
- Create Maximum Number7 companiesStaff
- Coin Change42 companiesMid/Senior
- Number of Connected Components in an Undirected Graph8 companiesMid/Senior
- Wiggle Sort II5 companiesMid/Senior
- Maximum Size Subarray Sum Equals k8 companiesMid/Senior
- Power of Three6 companiesJunior
- Count of Range Sum4 companiesStaff
- Odd Even Linked List12 companiesMid/Senior
- Longest Increasing Path in a Matrix16 companiesStaff
- Patching Array6 companiesStaff
- Verify Preorder Serialization of a Binary Tree1 companyMid/Senior
- Reconstruct Itinerary22 companiesStaff
- Increasing Triplet Subsequence7 companiesMid/Senior
- Palindrome Pairs7 companiesStaff
- House Robber III15 companiesMid/Senior
- Counting Bits10 companiesJunior
- Longest Substring with At Most K Distinct Characters12 companiesMid/Senior
- Power of Four8 companiesJunior
- Integer Break7 companiesMid/Senior
- Reverse String15 companiesJunior
- Reverse Vowels of a String12 companiesJunior
- Top K Frequent Elements52 companiesMid/Senior
- Intersection of Two Arrays18 companiesJunior
- Intersection of Two Arrays II9 companiesJunior
- Russian Doll Envelopes11 companiesStaff
- Count Numbers with Unique Digits3 companiesMid/Senior
- Max Sum of Rectangle No Larger Than K3 companiesStaff
- Water and Jug Problem8 companiesMid/Senior
- Find Leaves of Binary Tree6 companiesMid/Senior
- Valid Perfect Square7 companiesJunior
- Largest Divisible Subset6 companiesMid/Senior
- Sum of Two Integers8 companiesMid/Senior
- Super Pow5 companiesMid/Senior
- Find K Pairs with Smallest Sums10 companiesMid/Senior
- Guess Number Higher or Lower II3 companiesMid/Senior
- Combination Sum IV6 companiesMid/Senior
- Kth Smallest Element in a Sorted Matrix10 companiesMid/Senior
- Ransom Note12 companiesJunior
- Lexicographical Numbers6 companiesMid/Senior
- First Unique Character in a String26 companiesJunior
- Longest Absolute File Path4 companiesMid/Senior
- Find the Difference6 companiesJunior
- Elimination Game6 companiesMid/Senior
- Perfect Rectangle3 companiesStaff
- Is Subsequence15 companiesJunior
- UTF-8 Validation4 companiesMid/Senior
- Decode String40 companiesMid/Senior
- Longest Substring with At Least K Repeating Characters9 companiesMid/Senior
- Rotate Function6 companiesMid/Senior
- Integer Replacement4 companiesMid/Senior
- Evaluate Division23 companiesMid/Senior
- Nth Digit7 companiesMid/Senior
- Binary Watch5 companiesJunior
- Remove K Digits23 companiesMid/Senior
- Frog Jump10 companiesStaff
- Sum of Left Leaves7 companiesJunior
- Convert a Number to Hexadecimal6 companiesJunior