// Learn more at https://docs.deno.com/runtime/manual/examples/module_metadata#concepts
if (import.meta.main) {
  await main();
}

async function main(): Promise<number> {
  const args = globalThis.Deno.args;
  if (!args || args.length !== 1) {
    return Promise.resolve(-1);
  }
  const day = parseInt(args[0]);

  const module = await import(`./exercises/day_${day}.ts`);
  await module.default();

  return Promise.resolve(0);
}