67 lines
1.3 KiB
C++
67 lines
1.3 KiB
C++
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#include <cstdint>
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#include <iostream>
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#include <sstream>
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#include <string>
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#include <vector>
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#include <boost/range/adaptor/indexed.hpp>
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#include <doctest.h>
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#include <aocpp/Coord.hpp>
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#include <aocpp/Startup.hpp>
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namespace {
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struct World {
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std::vector<aocpp::Coord> ups, downs, lefts, rights;
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std::size_t height, width;
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};
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auto Parse(std::istream & in) -> World
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{
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auto result = World{};
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auto y = std::size_t{0};
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auto line = std::string{};
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while (std::getline(in, line)) {
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for (auto const [x,c] : boost::adaptors::index(line)) {
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switch (c) {
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case '>': result.rights.emplace_back(x-1,y-1); break;
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case '<': result.lefts.emplace_back(x-1,y-1); break;
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case '^': result.ups.emplace_back(x-1,y-1); break;
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case 'v': result.downs.emplace_back(x-1,y-1); break;
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}
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}
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++y;
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}
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result.height = y - 2;
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result.width = line.size() - 2;
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return result;
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}
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} // namespace
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TEST_SUITE("2022-24 examples") {
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TEST_CASE("example") {
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std::istringstream in {
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"#.#####\n"
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"#.....#\n"
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"#>....#\n"
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"#.....#\n"
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"#...v.#\n"
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"#.....#\n"
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"#####.#\n"
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};
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auto const world = Parse(in);
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}
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}
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auto Main(std::istream & in, std::ostream & out) -> void
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{
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auto const input = Parse(in);
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//out << "Part 1: " << Part1(in) << std::endl;
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}
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