#include #include #include #include using namespace aocpp; using namespace intcode; namespace { class Scanner { Machine machine_; public: Scanner(Machine machine) : machine_{std::move(machine)} {} auto operator()(ValueType x, ValueType y) const -> bool { Machine m {machine_}; StepInput(m, x); StepInput(m, y); return StepOutput(m); } }; auto Part1(Scanner const& scanner) { std::int64_t count {}; for (std::int64_t y = 0; y < 50; y++) { for (std::int64_t x = 0; x < 50; x++) { if (scanner(x, y)) { count++; } } } return count; } auto Part2(Scanner const& scanner) { ValueType x = 0; for(ValueType y = 99;; y++){ for (; !scanner(x, y); x++); if (scanner(x+99,y-99)) { return 10000 * x + y-99; } } } } // namespace auto Main(std::istream & in, std::ostream & out) -> void { auto const scanner = Scanner{Machine{ParseStream(in)}}; out << "Part 1: " << Part1(scanner) << std::endl; out << "Part 2: " << Part2(scanner) << std::endl; }