# Caesar Cipher string-grouping interview question | Aced

Aced (formerly Exponent) publishes a public search API over its indexed pages; the guide is at https://www.aced.io/agents/agent-access.

Source: https://www.aced.io/questions/4246/find-strings-same-caesar-cipher-encoding
Source observed: 2026-11-05T00:14:42.838Z
Last checked: 2026-11-05T00:14:42.838+00:00
Indexed: 2026-11-06T21:52:38.565+00:00

---

# Caesar Cipher string-grouping interview question

We publish interview-preparation questions and resources through Aced, formerly Exponent. This question asks you to solve the following data-structures-and-algorithms problem:

> Given a list of strings, find all strings that encode to the same value using a Caesar Cipher. A Caesar Cipher rotates characters; for example, in CC3, `a -> d`, `b -> e`, and so on through `z -> c`.

## Question details

- **Category:** [Data Structures & Algorithms](https://www.aced.io/questions?type=algorithms)
- **Additional category:** [Coding](https://www.aced.io/questions?type=coding)
- **Associated roles:** [Security Engineer](https://www.aced.io/questions?role=security-engineer), [Machine Learning Engineer](https://www.aced.io/questions?role=ml-engineer)
- **Associated companies:** [Pinterest](https://www.aced.io/questions?company=pinterest), [Meta](https://www.aced.io/questions?company=meta-facebook)
- **Interview history:** 2 interviews; reported last asked a year ago.

You can [log in or sign up to answer this question](https://www.aced.io/signup?src=nav&returnPath=/questions/4246/find-strings-same-caesar-cipher-encoding). Submitting an answer marks the question complete. Detailed company statistics are available through [Upgrade](https://www.aced.io/upgrade?src=questions).

## Community answers

No answers have been contributed by the community yet.

## Related questions

- [Find the first repeated character in a given string.](https://www.aced.io/questions/4055/find-first-repeated-character-string)
- [Given two strings, A and B, how do you count the appearances of characters from B in A?](https://www.aced.io/questions/682/count-appearances-characters-string-a)

## Related courses

### [Machine Learning Engineer Interview Prep](https://www.aced.io/courses/ml-engineer)

![Machine Learning Engineer Interview Prep](https://images.ctfassets.net/x78yjrjc11pq/6UfkHxUyLQVfDHSfLNQtWa/1be1539a65b4f6f15201f5b573c0a578/ML_Engineer_Interview_Prep_Course.jpeg?w=800&h=800&fm=webp&q=75)

We help candidates prepare for machine-learning roles at Meta, Google, Amazon, Apple, Microsoft, Nvidia, and other top companies through mock interviews, frameworks, and advice from senior candidates. Topics include ML system design, core concepts, coding, behavioral interviews, and more.

### [Security Engineer Interview Prep](https://www.aced.io/courses/security-engineer)

![Security Engineer Interview Prep](https://images.ctfassets.net/x78yjrjc11pq/36oo4gul0TZEmWvi6ZTdlv/4368fa3cefba777b79976c42d80c8ae8/AdobeStock_1457510541-min.jpeg?w=800&h=800&fm=webp&q=75)

We provide interview preparation dedicated to security engineers, covering system hardening, detection architecture, cloud security, and AI-powered automation. The course is taught by practitioners who have built controls at scale and interviewers who have evaluated hundreds of candidates.

## Explore Aced

We provide interview-preparation courses and practice resources across Product Management, Forward Deployed Engineering, Engineering Management, Software Engineering, System Design, Data Science, Machine Learning, Data Engineering, AI Engineering, Investment Banking, Generative AI, Security Engineering, TPM, Solutions Architecture, UX/Product Design, and BizOps & Strategy.

- [Courses](https://www.aced.io/courses?src=nav)
- [Questions](https://www.aced.io/questions?src=nav)
- [Practice](https://www.aced.io/practice?src=nav)
- [Coaching](https://www.aced.io/coaching?src=nav)
- [Pricing](https://www.aced.io/upgrade?src=nav)
- [Experiences](https://www.aced.io/experiences?src=nav)

---

[Read this page’s summary](https://www.aced.io/agents/api/public/v1/page-tldr?url=https%3A%2F%2Fwww.aced.io%2Fquestions%2F4246%2Ffind-strings-same-caesar-cipher-encoding&trace=t_679ff9ab98f3)

## Ask a follow-up about this page

Need a more specific answer? Ask the exact question you have. It returns a fresh, cited answer from Aced (formerly Exponent)’s knowledge base. No account or API key required.

Open this URL with your own question, URL-encoded. Include your question in q. All research inputs are optional; no account or setup.

`GET https://www.aced.io/agents/agent/faq?q={question}&trace=t_679ff9ab98f3`

[Tool guide and examples](https://www.aced.io/agents/agent-access) · [OpenAPI](https://www.aced.io/agents/api/public/v1/openapi.json) · [Page TLDR form](https://www.aced.io/agents/agent-tools/page-tldr?url=https%3A%2F%2Fwww.aced.io%2Fquestions%2F4246%2Ffind-strings-same-caesar-cipher-encoding). Opening a form does not execute a tool.