All Twitter Coding Interview Questions
36 questions we track for Twitter, most frequently asked first. Practice any of them in the code editor and get AI feedback on your solution.
Start your Twitter mock interviewQuestions Twitter asks, live voice, scored. First one free.
- Junior17% (6)
- Mid/Senior53% (19)
- Staff31% (11)
Questions
- Regular Expression Matching27 companiesStaff
- Integer to Roman32 companiesMid/Senior
- Valid Parentheses119 companiesJunior
- Merge k Sorted Lists53 companiesStaff
- Trapping Rain Water78 companiesStaff
- Multiply Strings17 companiesMid/Senior
- Wildcard Matching18 companiesStaff
- Merge Intervals109 companiesMid/Senior
- Permutation Sequence7 companiesStaff
- Pascal's Triangle18 companiesJunior
- Word Break II16 companiesStaff
- Max Points on a Line16 companiesStaff
- One Edit Distance6 companiesMid/Senior
- Happy Number27 companiesJunior
- Reverse Linked List34 companiesJunior
- The Skyline Problem14 companiesStaff
- Lowest Common Ancestor of a Binary Search Tree10 companiesMid/Senior
- Alien Dictionary17 companiesStaff
- Best Meeting Point9 companiesStaff
- Number of Connected Components in an Undirected Graph8 companiesMid/Senior
- Kth Smallest Element in a Sorted Matrix10 companiesMid/Senior
- Trapping Rain Water II14 companiesStaff
- Minimum Genetic Mutation6 companiesMid/Senior
- Validate IP Address12 companiesMid/Senior
- Largest Plus Sign2 companiesMid/Senior
- Masking Personal Information2 companiesMid/Senior
- Binary Gap6 companiesJunior
- Minimum Cost to Connect Sticks6 companiesMid/Senior
- Minimum Number of Steps to Make Two Strings Anagram10 companiesMid/Senior
- Minimum Elements to Add to Form a Given Sum1 companyMid/Senior
- Finding the Users Active Minutes2 companiesMid/Senior
- Process Tasks Using Servers5 companiesMid/Senior
- Count Sub Islands5 companiesMid/Senior
- Remove All Occurrences of a Substring13 companiesMid/Senior
- Time Needed to Buy Tickets8 companiesJunior
- Number of Black Blocks9 companiesMid/Senior