Problem database last updated: June 20, 2025
3 problems · 2 Easy, 1 Medium, 0 Hard · Ranked #315 of 458
2 Easy
67% · avg 23%
1 Medium
33% · avg 59%
0 Hard
0% · avg 18%
Based on 3 reported problems, zeta suite interviews are easier than average - only 0% Hard compared to 18% across all companies.
Compared to the industry average, zeta suite puts unusual emphasis on array (100% of problems, 1.7x the industry average). If you're short on time, these are the categories to double down on.
The most common topics are array (100%), dynamic-programming (33.3%), hash-table (33.3%), greedy (33.3%). Problems below are sorted by frequency, the ones at the top are asked most often.
| Problem | Difficulty | Frequency | Topics | |
|---|---|---|---|---|
Count Equal and Divisible Pairs in an Array Given a 0-indexed integer array nums of length n and an integer k, return the number of pairs (i, j) where 0 <= i < j < n, such that nums[i] == nums[j] and (i j... | Easy | Very Likely | array | Solve |
Best Time to Buy and Sell Stock You are given an array prices where prices[i] is the price of a given stock on the ith day. | Easy | Likely | arraydynamic-programming | Solve |
Task Scheduler You are given an array of CPU tasks, each labeled with a letter from A to Z, and a number n. Each CPU interval can be idle or allow the completion of one task.... | Medium | Likely | arrayhash-tablegreedy | Solve |
Count Equal and Divisible Pairs in an Array
SolveGiven a 0-indexed integer array nums of length n and an integer k, return the number of pairs (i, j) where 0 <= i < j < n, such that nums[i] == nums[j] and (i j...
Best Time to Buy and Sell Stock
SolveYou are given an array prices where prices[i] is the price of a given stock on the ith day.
Task Scheduler
SolveYou are given an array of CPU tasks, each labeled with a letter from A to Z, and a number n. Each CPU interval can be idle or allow the completion of one task....
Frequency scores are based on crowdsourced interview reports. A higher score means the problem has been reported more often in recent zeta suite interviews.
Very Likely
75-100%
Likely
50-74%
Sometimes
25-49%
Rare
0-24%
zeta suite interviews focus heavily on array, dynamic-programming, hash-table 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. zeta suite 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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zeta suite has been reported to ask 3 distinct coding problems. The most common topics are array, dynamic-programming, hash-table. 2 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 3 reported problems, zeta suite interviews are easier than average - only 0% Hard compared to 18% across all companies. 33% 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: array, dynamic-programming, hash-table. 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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