aoc24: add day16

sol/24/day12.cpp

@@ -0,0 +1,27 @@
+#include <utility>
+#include <vector>
+#include <algorithm>
+#include <numeric>
+#include <thread>
+#include <functional>
+#include <mutex>
+
+#include "aoc.hpp"
+#include "aoc/utils.hpp"
+#include "fmt/format.h"
+
+using namespace aoc::types;
+using namespace std::string_view_literals;
+
+namespace gmf {}
+
+auto aoc24::day11([[maybe_unused]]std::span<char const*> const& args) -> std::expected<void, aoc::error> {
+    auto res = aoc::read_text("./dat/24/re/12.txt");
+    // auto res = aoc::read_text("./dat/24/ex/12a.txt");
+    if (!res) return std::unexpected(res.error());
+    auto const txt = *res;
+
+    fmt::print("{}\n", txt);
+
+    return {};
+}