{"id":29091143,"url":"https://github.com/raghavendrajonnala2007/expression-evaluator","last_synced_at":"2025-06-28T06:05:44.105Z","repository":{"id":301013887,"uuid":"1007893521","full_name":"Raghavendrajonnala2007/expression-evaluator","owner":"Raghavendrajonnala2007","description":"A C++ project that evaluates mathematical expressions using infix to postfix conversion and stack-based evaluatio","archived":false,"fork":false,"pushed_at":"2025-06-24T17:44:36.000Z","size":25,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"main","last_synced_at":"2025-06-24T18:44:47.715Z","etag":null,"topics":["calculator","compiler-basics","cpp","dsa","infinix","postfix","stack"],"latest_commit_sha":null,"homepage":"","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/Raghavendrajonnala2007.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null}},"created_at":"2025-06-24T17:39:59.000Z","updated_at":"2025-06-24T17:56:16.000Z","dependencies_parsed_at":"2025-06-24T18:44:53.331Z","dependency_job_id":"45ef501e-3749-49ff-887b-181e7f8d5a9f","html_url":"https://github.com/Raghavendrajonnala2007/expression-evaluator","commit_stats":null,"previous_names":["raghavendrajonnala2007/expression-evaluator"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/Raghavendrajonnala2007/expression-evaluator","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Raghavendrajonnala2007%2Fexpression-evaluator","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Raghavendrajonnala2007%2Fexpression-evaluator/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Raghavendrajonnala2007%2Fexpression-evaluator/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Raghavendrajonnala2007%2Fexpression-evaluator/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/Raghavendrajonnala2007","download_url":"https://codeload.github.com/Raghavendrajonnala2007/expression-evaluator/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Raghavendrajonnala2007%2Fexpression-evaluator/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":262382731,"owners_count":23302296,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["calculator","compiler-basics","cpp","dsa","infinix","postfix","stack"],"created_at":"2025-06-28T06:05:42.082Z","updated_at":"2025-06-28T06:05:44.088Z","avatar_url":"https://github.com/Raghavendrajonnala2007.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# 🧮 Expression Evaluator in C++\n\nThis is a C++ project that takes a mathematical infix expression (like `2 + 3 * (4 - 1)`) and:\n\n1. Converts it to **postfix (Reverse Polish Notation)** format  \n2. Evaluates the postfix expression using a **stack**\n\nIt's basically how calculators or compilers handle expressions behind the scenes.\n\n---\n\n## 🚀 Features\n\n- 🔄 Infix ➡️ Postfix conversion\n- 🧠 Stack-based RPN evaluation\n- ✍️ Handles brackets and operator precedence\n- ⚙️ Uses STL (`stack`, `vector`, `string`)\n- 💡 Modular code with clean function design\n\n---\n\n## 📸 Example\n\n**Input Expression:**\n2 + 2 * (1 * 2 - 4 / 2) * 1\n\n**Postfix (RPN):**\n2 2 1 2 * 4 2 / - * 1 * +\n\n**Evaluation Result:**\n0\n\n\n---\n\n## 🛠️ How to Run\n\n### 🔧 Compile:\n```bash\ng++ src/main.cpp -o evaluator\n\n./evaluator\nexpression-evaluator/\n├── README.md\n└── src/\n    └── main.cpp\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fraghavendrajonnala2007%2Fexpression-evaluator","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fraghavendrajonnala2007%2Fexpression-evaluator","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fraghavendrajonnala2007%2Fexpression-evaluator/lists"}