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@junkim012 junkim012 commented Jan 22, 2026

Summary by CodeRabbit

  • Documentation

    • Added comprehensive guide for weighted random sampling challenge, covering multiple implementation approaches (naive array, ticketing, prefix sum, sum tree) with complexity analysis and design trade-offs.
  • Chores

    • Removed implementation code and cleaned up inline comments.

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@junkim012 junkim012 merged commit fb45c44 into main Jan 22, 2026
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coderabbitai bot commented Jan 22, 2026

Caution

Review failed

The pull request is closed.

📝 Walkthrough

Walkthrough

These changes remove comment and implementation code from the Merkle challenge, delete the Weighted Random Sample Solidity implementation, and add corresponding documentation that details a multi-stage approach to the algorithm.

Changes

Cohort / File(s) Summary
Solidity cleanup
src/challenges/01_Merkle.sol
Removed a single comment line; no functional code changes.
Weighted Random Sample refactoring
src/challenges/03_WeightedRandomSample.sol
Entire file deleted, removing SortitionSumTreeFactory library and ExposedSortitionSumTreeFactory contract (~273 lines).
Documentation addition
src/challenges/03_WeightedRandomSample.md
New documentation file added detailing multi-stage approach covering Naive Array, Naive Ticketing, Prefix Sum, Sum Tree, and Implementation & Optimization stages with complexity analysis and design trade-offs.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Poem

🐰 A comment hops away, no loss to the code,
A Solidity tree falls along the road,
But docs bloom bright, in stages we trace,
Weighted samples dance at a faster pace!
🌱✨


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2 participants