How often are these problems asked?
Frequency scores are based on crowdsourced interview reports. A higher score means the problem has been reported more often in recent Gusto interviews.
Very Likely
75-100%
Likely
50-74%
Sometimes
25-49%
Rare
0-24%
Problem database last updated: June 20, 2025
2 problems · 0 Easy, 1 Medium, 1 Hard · Ranked #417 of 458
0 Easy
0% · avg 23%
1 Medium
50% · avg 59%
1 Hard
50% · avg 18%
Based on 2 reported problems, Gusto interviews are significantly harder than average - 50% Hard vs 18% across all companies.
Compared to the industry average, Gusto puts unusual emphasis on string (100% of problems, 3.6x the industry average). If you're short on time, these are the categories to double down on.
The most common topics are string (100%), hash-table (50%), binary-search (50%), design (50%). Problems below are sorted by frequency, the ones at the top are asked most often.
| Problem | Difficulty | Frequency | Topics | |
|---|---|---|---|---|
Time Based Key-Value Store Design a time-based key-value data structure that can store multiple values for the same key at different time stamps and retrieve the key's value at a certain... | Medium | Very Likely | hash-tablestringbinary-search | Solve |
Integer to English Words Convert a non-negative integer num to its English words representation. | Hard | Very Likely | mathstringrecursion | Solve |
Time Based Key-Value Store
SolveDesign a time-based key-value data structure that can store multiple values for the same key at different time stamps and retrieve the key's value at a certain...
Integer to English Words
SolveConvert a non-negative integer num to its English words representation.
Frequency scores are based on crowdsourced interview reports. A higher score means the problem has been reported more often in recent Gusto interviews.
Very Likely
75-100%
Likely
50-74%
Sometimes
25-49%
Rare
0-24%
Gusto interviews focus heavily on string, hash-table, binary-search 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. Gusto 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.
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Gusto has been reported to ask 2 distinct coding problems. The most common topics are string, hash-table, binary-search. 0 are Easy difficulty, 1 are Medium, and 1 are Hard. Problems are sorted by frequency - the ones at the top are asked most often.
Based on 2 reported problems, Gusto interviews are significantly harder than average - 50% Hard vs 18% across all companies. 50% 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: string, hash-table, binary-search. Practice solving them under time pressure and explaining your approach out loud. Mock interviews with AI can simulate the real experience.
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