53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
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#include <iostream>
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#include <aocpp/Coord.hpp>
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#include <aocpp/Startup.hpp>
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#include <intcode/intcode.hpp>
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using namespace aocpp;
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using namespace intcode;
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namespace {
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class Scanner {
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Machine machine_;
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public:
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Scanner(Machine machine) : machine_{std::move(machine)} {}
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auto operator()(ValueType x, ValueType y) const -> bool {
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Machine m {machine_};
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StepInput(m, x);
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StepInput(m, y);
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return StepOutput(m);
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}
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};
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auto Part1(Scanner const& scanner) {
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std::int64_t count {};
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for (std::int64_t y = 0; y < 50; y++) {
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for (std::int64_t x = 0; x < 50; x++) {
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if (scanner(x, y)) {
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count++;
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}
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}
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}
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return count;
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}
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auto Part2(Scanner const& scanner) {
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ValueType x = 0;
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for(ValueType y = 99;; y++){
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for (; !scanner(x, y); x++);
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if (scanner(x+99,y-99)) { return 10000 * x + y-99; }
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}
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}
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} // namespace
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auto main(int argc, char** argv) -> int {
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auto scanner = Scanner{Machine{ParseStream(aocpp::Startup(argc, argv))}};
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std::cout << "Part 1: " << Part1(scanner) << std::endl;
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std::cout << "Part 2: " << Part2(scanner) << std::endl;
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}
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