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