Invert utility max to cost minimization #39

	name: CI workflow

	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]

	env:
	CARGO_TERM_COLOR: always

	jobs:
	ci:
	name: Lint & Test & Build
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Install graphviz
	run: sudo apt-get update && sudo apt-get install -y graphviz

	- name: Install Rust
	uses: dtolnay/rust-toolchain@stable
	with:
	components: rustfmt

	- name: Cache cargo
	uses: actions/cache@v4
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	target
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

	- name: Check formatting
	run: cargo fmt --all -- --check

	- name: Build
	run: cargo build --verbose

	- name: Run tests
	run: cargo test --verbose

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