32 lines
666 B
C++
32 lines
666 B
C++
#include <iostream>
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#include <utility>
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#include <intcode.hpp>
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using namespace intcode;
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namespace {
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auto compute(Machine machine, value_type d) -> value_type {
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value_type output = -1;
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while (std::visit(overloaded{
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[](Halt) { return false; },
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[d](Input arg) {
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arg.pos = d;
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return true;
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},
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[&output](Output arg) {
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output = arg.val;
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return false;
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}},
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machine.step()));
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return output;
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}
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} // namespace
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auto main() -> int {
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auto machine = Machine{parse_stream(std::cin)};
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std::cout << "Part 1: " << compute(machine, 1) << std::endl;
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std::cout << "Part 2: " << compute(std::move(machine), 2) << std::endl;
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}
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