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@@ -1,6 +1,7 @@
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# Repository Guidelines
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## Project Structure & Module Organization
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+<<<<<<< HEAD
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Daily challenge archives (`23/04`, `24`, `25`) mirror the YYYY/MM problem drops from LeetCode; each subdirectory holds the source for a single prompt. Topic-driven folders (`dataStruct`, `dynamic planning`, `greed`, `else`, `key`, `we`) group reusable headers (`*.h`), Go entry points, and the occasional Python prototype. Shared helpers such as `tools/map.h` plus scratch runners (`main.c`, `main.go`) live in the repo root. Reproducible experiments sit in `test/`, alongside small driver programs (`test/test1.c`, `test/file.c`) and fixture files (`test/example.txt`). Place new assets beside the closest-matching module and keep helper code centralized in `tools/` so every language target can include it via `#include "tools/map.h"`.
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## Build, Test, and Development Commands
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@@ -16,3 +17,33 @@ Driver files inside `test/` document how to wire solutions into simple harnesses
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## Commit & Pull Request Guidelines
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Recent commits use numeric messages (`717`, `251116`) that track the corresponding LeetCode id or date. Continue that convention: `<problem-id>[-optional-note]` keeps history scannable. Pull requests should mention the problem link, describe the approach/complexity, list any new tests, and attach screenshots only when visual assets change. Reference related issues or discussions to make triage easy.
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+=======
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+- Algorithms and data structures live under topic folders such as `dataStruct/`, `dynamic planning/`, `greed/`, `else/`, `key/`, and `we/`; each subfolder holds problem-specific source files.
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+- Shared helpers (e.g., custom containers) sit in `tools/` and `tools.h`; include these with `-Itools` when compiling C/C++.
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+- Scratch outputs should go to `build/`; `cmake-build-debug/` is IDE-generated and should stay untracked. Tests and small fixtures live in `test/` (see `test/example.txt`).
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+- Paths with spaces (e.g., `dynamic planning/`) need quoting in shells: `g++ -std=c++17 "dynamic planning/xxx.cpp"`.
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+
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+## Build, Test, and Development Commands
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+- C++17 compile (recommended by `.clangd`): `g++ -std=c++17 -O2 -Itools <source>.cpp -o build/<name>`; add `-Wall -Wextra` when iterating.
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+- C compile: `gcc -O2 -Itools <source>.c -o build/<name>`.
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+- Go quick run: `go run main.go`.
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+- Example test build & run: `gcc -Itools test/test1.c -o build/test1 && ./build/test1`.
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+- Keep binaries inside `build/` and out of version control.
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+
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+## Coding Style & Naming Conventions
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+- Use 4-space indentation; prefer braces on new lines consistently across functions and control blocks.
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+- Favor `snake_case` for C helpers and `CamelCase` types for C++ classes/structs; keep filenames descriptive (`heap_top_k.cpp`, `queue_with_two_stack.c`).
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+- Rely on standard library containers/algorithms where possible; add brief comments only for non-obvious logic or tricky edge cases.
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+- Run code through `clang-format` (C/C++) if available; keep Go files formatted via `gofmt`.
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+
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+## Testing Guidelines
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+- Add minimal repros under `test/` named after the problem (`test_<id>.c`) and keep fixtures small.
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+- When adding new logic, provide a tiny driver `main` or test function that exercises edge cases; show expected input/output in comments.
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+- Prefer deterministic tests; avoid reading/writing outside the repo except for `build/`.
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+
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+## Commit & Pull Request Guidelines
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+- Commit messages: short, imperative, and scoped (e.g., `add heap merge helper`, `fix queue pop bug`); avoid bundling unrelated fixes.
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+- Before opening a PR, summarize the problem solved, approach taken, and key follow-up items; paste the commands you ran (build/test) with outcomes.
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+- Do not commit generated binaries, IDE folders (`cmake-build-debug/`), or local artifacts.
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+- Link related issues or references when applicable; include screenshots only if the change affects observable output.***
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+>>>>>>> origin/main
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wolves