# Design an elevator algorithm to pick up guests. | 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/530/design-elevator-algorithm-pick-up-guests
Source observed: 2026-11-05T00:26:49.314Z
Last checked: 2026-11-05T00:26:49.314+00:00
Indexed: 2026-11-07T03:51:24.46+00:00

---

# Design an elevator algorithm to pick up guests.

We provide interview-preparation courses, practice questions, AI practice, and coaching through Aced, formerly Exponent. This question is an **Analytical** interview question with **Technical** classification, associated with **ADP** and **Google**.

## Problem

A hotel has two elevators and 100 floors. Design the algorithm to determine how the elevators should pick up guests.

## Question details

- **Reported last asked:** 5 years ago
- **Companies:** [ADP](https://www.aced.io/questions?company=adp), [Google](https://www.aced.io/questions?company=google)
- **Categories:** [Analytical](https://www.aced.io/questions?type=analytical), [Technical](https://www.aced.io/questions?type=technical)
- **Interview count:** 3 interviews

Detailed company statistics for this question require an upgrade: [Upgrade](https://www.aced.io/upgrade?src=questions).

## Community answers

No answers have been contributed by the community yet. To answer, [log in or sign up](https://www.aced.io/login?src=nav). Submitting an answer marks the question complete.

## Related questions

- [Design an elevator.](https://www.aced.io/questions/235/design-elevator)
- [Design an elevator for blind users.](https://www.aced.io/questions/1891/elevator-design-blind-users)
- [Design elevator (LLD).](https://www.aced.io/questions/7157/design-elevator-system-lld)

## Practice with AI

[Practice with AI](https://www.aced.io/practice/ai/new?type=PM&question=design-elevator-algorithm-pick-up-guests&src=questions) to work through the question.

## Aced interview preparation

We offer preparation for multiple roles and disciplines, including:

### Courses

- [Product Management](https://www.aced.io/courses/pm?src=nav) — Ace product interviews from strategy cases to technical skills.
- [Forward Deployed](https://www.aced.io/courses/forward-deployed-engineering?src=nav) — Beta preparation for FDE loops at Anthropic, OpenAI, Palantir, and more.
- [Engineering Management](https://www.aced.io/courses/engineering-management?src=nav) — Review key leadership and people-management skills.
- [Software Engineering](https://www.aced.io/courses/software-engineering?src=nav) — Learn strategies for coding problems and more.
- [System Design](https://www.aced.io/courses/system-design-interviews?src=nav) — Define architectures, interfaces, and databases in a time crunch.
- [Data Science](https://www.aced.io/courses/data-science?src=nav) — Execute statistical techniques and experimentation effectively.
- [Machine Learning](https://www.aced.io/courses/ml-engineer?src=nav) — Review building, evaluating, and deploying AI/ML models.
- [Data Engineering](https://www.aced.io/courses/data-engineering?src=nav) — Design complex data models and ETL pipelines.
- [AI Engineering](https://www.aced.io/courses/ai-engineering?src=nav) — New.
- [Investment Banking](https://www.aced.io/ib?src=nav) — New.
- [Generative AI](https://www.aced.io/courses/gen-ai-interviews?src=nav)
- [Security Engineer](https://www.aced.io/courses/security-engineer?src=nav)
- [TPM](https://www.aced.io/courses/tpm?src=nav)
- [Solutions Architect](https://www.aced.io/courses/solution-architect-interview?src=nav)
- [UX / Product Design](https://www.aced.io/courses/product-designer-interview?src=nav)
- [BizOps & Strategy](https://www.aced.io/courses/bizops?src=nav)
- [View all courses](https://www.aced.io/courses?src=nav)

### Other services

- [Loops](https://www.aced.io/guides?src=nav)
- [Experiences](https://www.aced.io/experiences?src=nav)
- [Browse all questions](https://www.aced.io/questions?src=nav)
- [Practice](https://www.aced.io/practice?src=nav)
- [Coaching](https://www.aced.io/coaching?src=nav), including [mock interviews and coaching](https://www.aced.io/coaching?category=mock_interviews&src=nav), [resume review](https://www.aced.io/resume?src=nav), [salary negotiation](https://www.aced.io/coaching?category=negotiation&src=nav), and [how coaching works](https://www.aced.io/coaching/start?src=nav)
- [Pricing](https://www.aced.io/upgrade?src=nav)
- [Job referrals](https://www.aced.io/jobs/referrals?src=nav)
- [Blog](https://www.aced.io/blog?src=nav)
- [Resources](https://www.aced.io/resources?src=nav)
- [Work with us](https://www.aced.io/collaborate?src=nav)
- [Perks](https://www.aced.io/perks?src=nav)
- [For universities](https://www.aced.io/pages/university?src=nav)
- [For businesses](https://www.aced.io/pages/business?src=nav)
- [For recruiters](https://www.aced.io/jobs/post?src=nav)
- [Affiliate program](https://www.aced.io/affiliate?src=nav)

[Log in](https://www.aced.io/login?src=nav) or [sign up](https://www.aced.io/signup?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%2F530%2Fdesign-elevator-algorithm-pick-up-guests&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%2F530%2Fdesign-elevator-algorithm-pick-up-guests). Opening a form does not execute a tool.