Feat | NeetCode | Roadmap | #23 Evaluate Reverse Polish Potation - #142
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TheGeniusOfEternity merged 4 commits intoAug 1, 2026
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TheGeniusOfEternity
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The solution’s operator detection/operand handling and the README’s Min Stack link should be corrected to avoid incorrect behavior and broken documentation.
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Pull request overview
Adds the NeetCode 150 Stack task #23 (“Evaluate Reverse Polish Notation”) to the codebase, including the TypeScript solution, Jest tests, and a README roadmap entry.
Changes:
- Implemented
evalRPN(tokens)stack-based evaluator with truncating division. - Added unit tests covering sample and edge-case division behavior.
- Updated the roadmap README to include Task #23 (and adjusted the Stack section entry formatting).
File summaries
| File | Description |
|---|---|
| src/neetcode/stack/evaluate-reverse-polish-notation/solution.ts | Introduces the RPN evaluation implementation. |
| src/neetcode/stack/evaluate-reverse-polish-notation/solution.test.ts | Adds Jest coverage for common operator combinations and truncation. |
| README.md | Adds Task #23 entry in the Stack roadmap section. |
Review details
- Files reviewed: 3/3 changed files
- Comments generated: 3
- Review effort level: Lite
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TheGeniusOfEternity
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August 1, 2026 11:44
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Closes #136