52 lines
1.1 KiB
C++
52 lines
1.1 KiB
C++
#include <iostream>
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#include <utility>
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#include <doctest.h>
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#include <aocpp/Startup.hpp>
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#include <intcode/intcode.hpp>
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using namespace intcode;
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namespace {
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auto Compute(Machine machine, ValueType x, ValueType y) {
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machine.At(1) = x;
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machine.At(2) = y;
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Step(machine);
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return machine.At(0);
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}
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} // namespace
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TEST_SUITE("documented examples") {
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auto eval = [](std::vector<ValueType> program, std::vector<ValueType> output) {
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Machine m{program};
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REQUIRE(std::holds_alternative<Halt>(Step(m)));
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REQUIRE(m.Dump() == output);
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};
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TEST_CASE("part 1") {
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eval({1,0,0,0,99}, {2,0,0,0,99});
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eval({2,3,0,3,99}, {2,3,0,6,99});
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eval({2,4,4,5,99,0}, {2,4,4,5,99,9801});
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eval({1,1,1,4,99,5,6,0,99}, {30,1,1,4,2,5,6,0,99});
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}
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}
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auto main(int argc, char** argv) -> int {
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auto machine = Machine{ParseStream(*aocpp::Startup(argc, argv))};
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std::cout << "Part 1: " << Compute(machine, 12, 2) << std::endl;
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for (std::int64_t i = 0; i < 100; i++) {
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for (std::int64_t j = 0; j < 100; j++) {
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if (19690720 == Compute(machine, i, j)) {
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std::cout << "Part 2: " << 100 * i + j << std::endl;
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}
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}
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}
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}
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