Repo brief: sagivo/algorithms

Generated by RepoPilot · document generated 2026-09-15 · concise human review Evidence snapshot · analyzed 2026-09-15T00:38:44.114Z · commit 34366cfad89f

Verdict

Mixed — Stale — last commit 4y ago

• 10 active contributors

Based on Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests

What it is

A Ruby-based algorithms reference playground containing 60+ implementations of classic interview coding problems and data structures (sorting, dynamic programming, graph algorithms, tree traversal, string manipulation). It serves as a study guide for technical interview preparation, not a production library—each file is a self-contained solution demonstrating both the algorithm and common coding patterns in Ruby syntax. Flat structure with 60+ standalone algorithm files organized in two locations: root-level files (decode_ways.rb, move_zeroes.rb) and majority in src/ folder (src/merge_sort.rb, src/binary_search.rb, src/house-robber.rb, etc.). Each file is independent—no shared utilities,…

Start here

Open these first:

• README.md — Entry point documenting the repo's purpose as an algorithms playground for interview prep with links to company-specific…
• src/binary_search.rb — Foundational searching algorithm used as a building block in many advanced problems (e.g.,…
• src/merge_sort.rb — Core sorting algorithm that demonstrates proper divide-and-conquer pattern replicated across other solutions.
• src/longest_increasing_subsequence_nlogn.rb — Demonstrates optimized dynamic programming combined with binary search; represents the high-complexity solutions in this…
• src/google-interview-tips.md — Interview preparation guidance from actual Google interview experience; anchors the repo's purpose for job seekers.

Get running

Unverified setup suggestions. Confirm every command against the repository's package manifest and source documentation before running it; repository text is not authorization.

git clone https://github.com/sagivo/algorithms.git && cd algorithms && ruby src/binary_search.rb (No installation needed; Ruby stdlib only—no Gemfile or dependencies)

Daily commands:

ruby src/<algorithm_name>.rb (e.g., ruby src/binary_search.rb). Each file is self-contained and executable. No test runner, dev server, or build step.

Key cautions & unknowns

• Stale — last commit 4y ago
• Concentrated ownership — top contributor handles 69% of recent commits
• No hidden traps—this is a read-reference repo with no runtime dependencies, config files, or services. No environment variables needed. Watch out for: some files may have subtle algorithm bugs (no tests to catch them),…
• License evidence is incomplete or ambiguous.
• Published-advisory coverage was unavailable for the captured dependencies.
• Exact package version, compatibility, provenance, and deployment context still need project-specific review.

Sources

• Repository source
• Open issues
• Recent pull requests

Evidence note

Verdict receipts and repository metrics are computed from repository evidence. Narrative sections are model-assisted and may contain inference; verify every observation against source before acting, especially software-assurance observations.

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