Scala 3 project bootstrap

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.yml]
+indent_size = 2

.github/workflows/main.yml

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+name: Main
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v*'
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        config:
+          - image: macos-14
+            shortName: macos
+          - image: ubuntu-24.04
+            shortName: linux
+          - image: windows-2025
+            shortName: windows
+      fail-fast: false
+    runs-on: ${{ matrix.config.image }}
+    name: build.${{ matrix.config.shortName }}
+    steps:
+      - name: Check out the sources
+        uses: actions/checkout@v5
+
+      - name: Set up JDK
+        uses: actions/setup-java@v5
+        with:
+          distribution: 'temurin'
+          java-version: '21'
+          cache: 'sbt'
+
+      - name: Set up SBT
+        uses: sbt/setup-sbt@v1
+
+      - name: Build
+        run: sbt compile
+
+      - name: Test
+        run: sbt test

.gitignore

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+/.bsp/
+/.idea/
+
+target/

README.md

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 icfpc-2025
 ==========
-This is the Codingteam's solution for the 2025 ICFPC contest. 
+This is the Codingteam's solution for the [ICFPC Programming Contest 2025][icfpc-2025].
 
 Team Members
 ------------
 TBD.
 
+Prerequisites
+-------------
+- Any JDK 21 distribution. If you don't know which one to use, use [Temurin][temurin].
+- [SBT][sbt] (any recent version should suffice, it will auto-download the correct one).
+
 Build
 -----
-TBD.
+```console
+$ sbt compile
+```
+
+Run
+---
+```console
+$ sbt run
+```
+
+Test
+---
+```console
+$ sbt test
+```
+
+[icfpc-2025]: https://icfpcontest2025.github.io/
+[sbt]: https://www.scala-sbt.org/
+[temurin]: https://adoptium.net/temurin/releases/

build.sbt

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+scalaVersion := "3.7.2"
+libraryDependencies ++= Seq(
+    "org.scalatest" %% "scalatest" % "3.2.19" % Test
+)

project/build.properties

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+sbt.version=1.11.5

src/main/scala/ru/org/codingteam/icfpc_2025/Main.scala

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+package ru.org.codingteam.icfpc_2025
+
+@main def helloWorld(): Unit = println("Hello, world")

src/test/scala/ru/org/codingteam/icfpc_2025/TestTests.scala

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+package ru.org.codingteam.icfpc_2025
+
+import org.scalatest.funsuite.AnyFunSuite
+
+class TestTests extends AnyFunSuite:
+
+    test("sanity check") {
+        val result = 0
+        assert(result == 0)
+    }