Array Interview Questions
1610 real interview questions test Array. Practice any of them in the code editor and get AI feedback on your solution.
- Junior21% (345)
- Mid/Senior53% (861)
- Staff25% (404)
Companies that ask Array the most
Questionspage 1 of 17
- Two Sum129 companiesJunior
- Merge Intervals109 companiesMid/Senior
- Group Anagrams91 companiesMid/Senior
- Best Time to Buy and Sell Stock90 companiesJunior
- Number of Islands81 companiesMid/Senior
- Trapping Rain Water78 companiesStaff
- Maximum Subarray66 companiesMid/Senior
- 3Sum61 companiesMid/Senior
- Container With Most Water58 companiesMid/Senior
- Longest Common Prefix57 companiesJunior
- Search in Rotated Sorted Array55 companiesMid/Senior
- Spiral Matrix53 companiesMid/Senior
- Top K Frequent Elements52 companiesMid/Senior
- Rotting Oranges50 companiesMid/Senior
- Median of Two Sorted Arrays47 companiesStaff
- Move Zeroes47 companiesJunior
- Sliding Window Maximum46 companiesStaff
- Subarray Sum Equals K46 companiesMid/Senior
- Product of Array Except Self44 companiesMid/Senior
- Kth Largest Element in an Array42 companiesMid/Senior
- Coin Change42 companiesMid/Senior
- Text Justification40 companiesStaff
- Word Search40 companiesMid/Senior
- Longest Consecutive Sequence40 companiesMid/Senior
- Merge Sorted Array38 companiesJunior
- House Robber38 companiesMid/Senior
- Koko Eating Bananas38 companiesMid/Senior
- Rotate Image37 companiesMid/Senior
- Sort Colors37 companiesMid/Senior
- First Missing Positive35 companiesStaff
- Jump Game34 companiesMid/Senior
- Find Peak Element34 companiesMid/Senior
- Asteroid Collision34 companiesMid/Senior
- Largest Rectangle in Histogram32 companiesStaff
- Word Break32 companiesMid/Senior
- Next Permutation31 companiesMid/Senior
- Find First and Last Position of Element in Sorted Array31 companiesMid/Senior
- Longest Increasing Subsequence31 companiesMid/Senior
- Daily Temperatures31 companiesMid/Senior
- Valid Sudoku30 companiesMid/Senior
- Combination Sum30 companiesMid/Senior
- Jump Game II28 companiesMid/Senior
- Best Time to Buy and Sell Stock II28 companiesMid/Senior
- Rotate Array28 companiesMid/Senior
- Maximal Square28 companiesMid/Senior
- Gas Station27 companiesMid/Senior
- Permutations26 companiesMid/Senior
- Maximum Product Subarray25 companiesMid/Senior
- Task Scheduler25 companiesMid/Senior
- Maximum Profit in Job Scheduling25 companiesStaff
- Set Matrix Zeroes24 companiesMid/Senior
- Top K Frequent Words24 companiesMid/Senior
- Candy23 companiesStaff
- Evaluate Division23 companiesMid/Senior
- Majority Element22 companiesJunior
- Largest Number22 companiesMid/Senior
- Find the Duplicate Number22 companiesMid/Senior
- Reconstruct Itinerary22 companiesStaff
- Maximal Rectangle21 companiesStaff
- Contains Duplicate21 companiesJunior
- Capacity To Ship Packages Within D Days21 companiesMid/Senior
- Search Suggestions System21 companiesMid/Senior
- Subsets20 companiesMid/Senior
- Word Search II20 companiesStaff
- 4Sum19 companiesMid/Senior
- Search a 2D Matrix19 companiesMid/Senior
- House Robber II19 companiesMid/Senior
- Missing Number19 companiesJunior
- Split Array Largest Sum19 companiesStaff
- Find K Closest Elements19 companiesMid/Senior
- Max Area of Island19 companiesMid/Senior
- Subarray Product Less Than K19 companiesMid/Senior
- Max Consecutive Ones III19 companiesMid/Senior
- Sudoku Solver18 companiesStaff
- Pascal's Triangle18 companiesJunior
- Evaluate Reverse Polish Notation18 companiesMid/Senior
- Minimum Size Subarray Sum18 companiesMid/Senior
- Intersection of Two Arrays18 companiesJunior
- Non-overlapping Intervals18 companiesMid/Senior
- Single Element in a Sorted Array18 companiesMid/Senior
- Accounts Merge18 companiesMid/Senior
- Combination Sum II17 companiesMid/Senior
- Minimum Path Sum17 companiesMid/Senior
- Find Minimum in Rotated Sorted Array17 companiesMid/Senior
- Two Sum II - Input Array Is Sorted17 companiesMid/Senior
- Count Primes17 companiesMid/Senior
- Search a 2D Matrix II17 companiesMid/Senior
- Bus Routes17 companiesStaff
- K Closest Points to Origin17 companiesMid/Senior
- Squares of a Sorted Array17 companiesJunior
- Subarrays with K Different Integers17 companiesStaff
- Number of Visible People in a Queue17 companiesStaff
- Find the Length of the Longest Common Prefix17 companiesMid/Senior
- N-Queens16 companiesStaff
- Insert Interval16 companiesMid/Senior
- Word Break II16 companiesStaff
- Max Points on a Line16 companiesStaff
- Game of Life16 companiesMid/Senior
- Longest Increasing Path in a Matrix16 companiesStaff
- Partition Equal Subset Sum16 companiesMid/Senior