cpinitiative/usaco-guide - Open Source PR Review Scorecard

A free collection of curated, high-quality resources to take you from Bronze to Platinum and beyond.

C-Rank Grade: S (Elite) - 77/100

External PR Merge Rate: 74%

Response Time: 9h

First Timer Success: 64%

Frequently Asked Questions

Is cpinitiative/usaco-guide welcoming to first-time open-source contributors?

cpinitiative/usaco-guide has a recorded first-timer success rate of 63.6%. Repositories ranked S typically provide actionable feedback during code reviews and actively nurture new community contributors.

How fast can I expect code review feedback on my pull request?

Maintainers in cpinitiative/usaco-guide respond to incoming external pull requests in approximately 8.5 hours on average. Keeping PRs focused on single tasks and ensuring tests pass helps maintainers review faster.

What does the 76.7 C-Rank™ score (S Tier) represent?

The C-Rank™ system evaluates GitHub projects on a 0–100 scale using real data: PR merge rates, review turnaround time, active maintainer presence, and first-time contributor success. A score of 76.7 places cpinitiative/usaco-guide in the S tier.

What is the external contributor pull request merge rate for cpinitiative/usaco-guide?

The external contributor pull request merge rate for cpinitiative/usaco-guide is 73.7%, based on public PR activity from non-core contributors.

Are there Good First Issues available in cpinitiative/usaco-guide?

cpinitiative/usaco-guide currently has 4 active issue(s) tagged with beginner-friendly labels like "good first issue", "beginner", or "up-for-grabs".

cpinitiative
cpinitiative/usaco-guideS•Elite1.8k
GitHub
Back to Explorer
cpinitiative

cpinitiative/usaco-guide

1,830
Active (30d)S•Elite(77/100)MDMDX

A free collection of curated, high-quality resources to take you from Bronze to Platinum and beyond.

GitHub
Compare••
Jump to:

AI Maintainer Review Guidelines

Review Persona

Empathetic Technical Mentor

Warmth Score
8.4/10
Patience Score
8.6/10
Nitpick Rate
25%

Highly welcoming maintainers in cpinitiative/usaco-guide. Prompt code reviews with positive guidance for new contributors.

What Contributors Actually Say

Discussions in cpinitiative/usaco-guide focus heavily on practical implementation feedback, code formatting standards, and issue reproduction details.

Hidden Friction Signals

Unlinked PRs without issue context and changes that fail automated test suites face the highest review friction.

Unwritten Rules

  • •1) Keep PR scope strictly aligned with the linked issue.
  • •2) Ensure local linters pass before opening a review.
  • •3) Maintain full test coverage for modified logic.

Top PR Submission Do's

  • •Add or update tests for changed behavior before requesting review
  • •Keep PRs small and focused on one change
  • •Include context and link to the related issue

Top PR Friction Pitfalls (Don'ts)

  • •Do not leave requested test coverage unresolved
  • •Do not mix unrelated refactors with feature work
  • •Do not mix unrelated refactors in a single PR
Response Velocity
8 hours
Standard maintainer review cycle

Average Response Latency

Tracks hours until a maintainer leaves a review, comment, or PR response.

Merge Efficiency
73.7%
Moderate PR acceptance rate

External Acceptance Rate

Percentage of community pull requests successfully merged into main.

First-Timer Success
63.6%
Strong first-timer PR acceptance rate

First PR Conversion

Rate at which developers submitting their first repository PR succeed.

Active Maintainers
16 core
Highly collaborative maintainer core
Diagnostic Health HUD
73.7%
Merge Gauge
63.6%
1st-Timer
Community Vibe72/100

Embed C-Rank Badge

Show contributors that your repository actively reviews and merges external pull requests.

GetMerged C-Rank badge for cpinitiative/usaco-guide
[![GetMerged C-Rank](https://getmerged.abhishekco.de/api/badge/cpinitiative/usaco-guide)](https://getmerged.abhishekco.de/cpinitiative/usaco-guide?utm_source=github&utm_medium=badge)

Active Good First Issues (5)

View on GitHub

Someone submitted the contact form! URL: https://usaco.guide/plat/geo-pri Module: Platinum - Geometry Primitives Topic: Mistake Message: the link to the ioi problem "The Troublesome Frog" does not seem to be working for me.

📅 Opened Oct 11, 2026💬 1 comment
Quality: 75/100Contribute

Someone submitted the contact form! URL: https://usaco.guide/problems/kattis-gmo/user-solutions Module: Problem Solution - GMO (ID: kattis-gmo) Topic: Request - Missing Section or Solution Message: There is no official solution for this particular problem and i think it is very important for the learners to have the solution when they are stuck. Even in the public solutions, there are just 2 solutions except mine and they are using DP in bronze which is not good for the new comers. So, i have proposed a basic brute force solution which is best for learning which you can consider.

📅 Opened Sep 15, 2026💬 1 comment
Quality: 90/100Contribute

Someone submitted the contact form! URL: https://usaco.guide/bronze/ad-hoc Module: Bronze - Ad Hoc Problems Topic: Request - Missing Section or Solution Message: focus problem explanation missing

📅 Opened Sep 8, 2026💬 0 comments
Quality: 35/100Contribute

Someone submitted the contact form! URL: https://usaco.guide/plat/range-sweep Module: Platinum - Range Queries with Sweep Line Topic: Request - Missing Section or Solution Message: I need solution for Robot Path

📅 Opened Sep 5, 2026💬 1 comment
Quality: 75/100Contribute

Someone submitted the contact form! URL: https://usaco.guide/problems/joi-2020stray-cat/solution Module: Solution: JOI - 2020 - Stray Cat Topic: Mistake Message: image is not displaying

📅 Opened Aug 2, 2026💬 1 comment
Quality: 65/100Contribute
Looking for more MDX beginner tasks?Explore MDX GFI

Contributor Community Vibe Feedback

Rate what actually matters after opening a pull request here.

Have you contributed to this repo?

Rate your first-hand PR experience (review speed, maintainer responsiveness, and onboarding ease) to help other contributors.

3 ratings required
Maintainer helpfulness
Review speed
Beginner friendliness

Contributor Compatibility & Review Speed Analysis for cpinitiative/usaco-guide

When evaluating whether to contribute to cpinitiative/usaco-guide, response velocity and maintainer engagement are crucial. GetMerged continuously tracks pull request trajectories, first-comment latency, and code review rounds to help developers avoid submitting pull requests to backlogged repositories.

Currently, maintainers of cpinitiative/usaco-guide acknowledge new external contributions in approximately 8 hours. Out of all submitted pull requests from non-core authors in the last 180-day window, 73.7% were successfully merged into the primary branch.

Frequently Asked Questions - Contributing to cpinitiative/usaco-guide

01

Is cpinitiative/usaco-guide welcoming to first-time open-source contributors?

cpinitiative/usaco-guide has a recorded first-timer success rate of 63.6%. Repositories ranked Elite typically provide actionable feedback during code reviews and actively nurture new community contributors.

02

How fast can I expect code review feedback on my pull request?

The initial maintainer response time averages ~8 hours. Keeping PRs scoped to single concerns and ensuring CI checks succeed will optimize review turnaround.

03

What does the 76.7 C-Rank™ score represent?

The C-Rank™ index scores repositories on a 0 to 100 scale using an objective formula: external PR merge rates, initial response speed, active maintainer count, and first-time contributor retention. A score of 76.7 places cpinitiative/usaco-guide in the Elite tier.

04

What is the external contributor pull request merge rate for cpinitiative/usaco-guide?

The external pull request merge rate is 73.7%. GetMerged isolates non-core community contributions so external developers get an accurate benchmark of PR acceptance probability.

05

Are there beginner Good First Issues open in cpinitiative/usaco-guide?

Yes, cpinitiative/usaco-guide currently has 4 active issue(s) tagged with beginner-friendly labels. You can inspect these directly from the repository issues tab.

GetMerged C-Rank™ Indexing Standard

All metrics displayed for cpinitiative/usaco-guide are automatically retrieved via the public GitHub API and recalculated daily. Insider pull requests submitted by repository owners or organization members are excluded from merge rate calculations to preserve objective external contributor statistics.