aoc24: day17 started

sol/24/day17.cpp

@@ -0,0 +1,59 @@
+#include <vector>
+#include <ranges>
+#include <numeric>
+#include <memory>
+
+#include "aoc.hpp"
+#include "aoc/utils.hpp"
+#include "fmt/format.h"
+#include "stb_image_write.h"
+
+using namespace aoc::types;
+using namespace std::string_view_literals;
+
+namespace uec {
+enum class opcode : u8 {
+    adv,
+    bxl,
+    bst,
+    jnz,
+    bxc,
+    out,
+    bdv,
+    cdv
+};
+
+struct regs {
+    u64 a;
+    u64 b;
+    u64 c;
+};
+
+class cpu {
+public:
+    cpu() {}
+
+    auto load(uec::regs const& regs, std::vector<opcode> const& program) -> void {
+        m_regs = regs;
+        m_program = program;
+    }
+
+    auto registers() const -> uec::regs { return m_regs; }
+    auto program() const -> std::vector<opcode> const& { return m_program; }
+
+private:
+    uec::regs m_regs{};
+    std::vector<opcode> m_program{};
+};
+}
+
+auto aoc24::day17([[maybe_unused]]std::span<char const*> const& args) -> std::expected<void, aoc::error> {
+    auto res = aoc::read_text("./dat/24/ex/17.txt");
+    // auto res = aoc::read_text("./dat/24/re/17.txt");
+    if (!res) return std::unexpected(res.error());
+    auto const txt = *res;
+
+    auto
+
+    return {};
+}