Problem database last updated: June 20, 2025
1 problems · 0 Easy, 1 Medium, 0 Hard · Ranked #459 of 459
0 Easy
0% · avg 23%
1 Medium
100% · avg 59%
0 Hard
0% · avg 18%
Based on 1 reported problems, Twitter interviews are easier than average - only 0% Hard compared to 18% across all companies. The majority (100%) of questions are Medium difficulty, which is typical for companies that want to see solid fundamentals without excessive trick questions.
The most common topics are depth-first-search (100%), breadth-first-search (100%), union-find (100%), graph (100%). Problems below are sorted by frequency, the ones at the top are asked most often.
| Problem | Difficulty | Frequency | Topics | |
|---|---|---|---|---|
Number of Connected Components in an Undirected Graph You have a graph of n nodes. You are given an integer n and an array edges where edges[i] = [ai, bi] indicates that there is an edge between ai and bi in the gr... | Medium | Likely | depth-first-searchbreadth-first-searchunion-find | Solve |
Number of Connected Components in an Undirected Graph
SolveYou have a graph of n nodes. You are given an integer n and an array edges where edges[i] = [ai, bi] indicates that there is an edge between ai and bi in the gr...
Frequency scores are based on crowdsourced interview reports. A higher score means the problem has been reported more often in recent Twitter interviews.
Very Likely
75-100%
Likely
50-74%
Sometimes
25-49%
Rare
0-24%
Twitter interviews focus heavily on depth-first-search, breadth-first-search, union-find problems. If you're short on time, these are the categories to prioritize. The problems on this page are sorted by frequency, so start from the top and work your way down.
Beyond solving problems, practice explaining your approach. Twitter interviewers care about your thought process - how you break down a problem, consider edge cases, and evaluate tradeoffs between solutions. A clean O(n) solution you can explain clearly beats an O(log n) solution you can't articulate.
Looking for more companies? Browse all 459 companies in our directory, or sharpen your fundamentals with our free data structure visualizers and AI-powered DSA tutor.
Twitter has been reported to ask 1 distinct coding problems. The most common topics are depth-first-search, breadth-first-search, union-find. 0 are Easy difficulty, 1 are Medium, and 0 are Hard. Problems are sorted by frequency - the ones at the top are asked most often.
Based on 1 reported problems, Twitter interviews are easier than average - only 0% Hard compared to 18% across all companies. 100% of questions are Medium difficulty. Focus on the high-frequency Medium problems first, then work through the Hard ones.
Start with the highest-frequency problems listed on this page. Focus on the core topics: depth-first-search, breadth-first-search, union-find. Practice solving them under time pressure and explaining your approach out loud. Mock interviews with AI can simulate the real experience.
Simulate a real Twitter coding interview with an AI interviewer. Get a scorecard with specific feedback on your problem-solving, code quality, and communication.
Simulate a Twitter interview with AIarrow_forward
