aocpp/2019/05.cpp

#include <iostream>
#include <utility>

#include <aocpp/Startup.hpp>
#include <intcode/intcode.hpp>
using namespace intcode;

namespace {

auto Compute(Machine machine, ValueType d) -> ValueType {
  ValueType last_output = -1;
  Run(machine,
    [=]() { return d; },
    [&](auto o) { last_output = o; });
  return last_output;
}

} // namespace

auto Main(std::istream & in, std::ostream & out) -> void
{
  auto machine = Machine{ParseStream(in)};
  out << "Part 1: " << Compute(machine, 1) << std::endl;
  out << "Part 2: " << Compute(std::move(machine), 5) << std::endl;
}