aoc(2302): Cube Conundrum

7 files changed, 331 insertions, 0 deletions

diff --git a/2023/02/Makefile b/2023/02/Makefile
new file mode 100644
index 0000000..d1ec8c6
--- /dev/null
+++ b/2023/02/Makefile
@@ -0,0 +1,19 @@
+SRC := src/game.cpp
+HDR := $(SRC:.cpp=.h)
+OBJ := $(SRC:.cpp=.o)
+EXE := part1 part2
+
+CXXFLAGS := -std=c++17
+
+.PHONY: run clean
+
+all: $(EXE)
+
+%.o: %.cpp
+        $(CXX) -c $(CXXFLAGS) $< -o $@
+
+clean:
+        rm -rf $(EXE) $(OBJ)
+
+%: src/%.o $(OBJ)
+        $(CXX) $^ -o $@
diff --git a/2023/02/resources/input.txt b/2023/02/resources/input.txt
new file mode 100644
index 0000000..eea772e
--- /dev/null
+++ b/2023/02/resources/input.txt
@@ -0,0 +1,100 @@
+Game 1: 8 green; 5 green, 6 blue, 1 red; 2 green, 1 blue, 4 red; 10 green, 1 red, 2 blue; 2 blue, 3 red
+Game 2: 10 blue, 12 red; 8 red; 7 green, 5 red, 7 blue
+Game 3: 1 red, 15 blue, 3 green; 8 blue, 2 red, 4 green; 2 red, 5 green, 9 blue
+Game 4: 8 green, 4 blue, 1 red; 3 green; 4 blue, 1 red, 12 green; 5 green, 1 red, 8 blue; 3 green, 5 blue, 1 red
+Game 5: 2 green, 8 blue; 7 blue, 4 green; 7 blue; 5 blue; 5 green, 2 blue, 1 red
+Game 6: 6 blue, 3 green; 18 green, 8 blue; 9 green, 4 blue; 4 blue, 2 red, 3 green
+Game 7: 15 red, 12 blue, 15 green; 12 blue, 18 green; 9 blue, 11 red; 16 green, 6 blue, 18 red; 6 blue, 12 red; 14 red, 18 green, 12 blue
+Game 8: 6 red, 13 blue, 3 green; 18 blue; 3 green, 8 red
+Game 9: 3 blue, 4 red; 8 red, 2 blue; 4 green, 8 red, 3 blue; 6 red, 1 blue; 16 green, 2 red, 2 blue
+Game 10: 3 red, 7 blue, 2 green; 1 green, 15 red, 5 blue; 1 red, 5 blue; 3 blue, 4 green
+Game 11: 12 green, 3 blue; 3 red; 1 red, 6 blue, 9 green; 7 blue, 1 red, 13 green; 1 blue, 5 green, 4 red; 18 green, 3 red
+Game 12: 9 green, 13 blue; 3 red, 4 blue, 4 green; 10 green, 7 red, 5 blue; 9 red, 12 blue, 3 green
+Game 13: 15 red, 18 blue, 10 green; 11 red, 3 green, 4 blue; 2 green, 12 blue, 4 red
+Game 14: 12 blue, 6 red; 2 blue, 7 green, 6 red; 12 blue, 7 green; 4 blue, 1 green, 4 red; 9 green, 12 blue; 3 red, 5 green, 8 blue
+Game 15: 9 green, 1 blue; 14 green, 4 red, 1 blue; 1 blue, 6 green, 2 red; 7 red, 13 green, 2 blue; 4 red, 9 green; 2 green, 1 blue, 2 red
+Game 16: 3 blue, 2 green, 5 red; 4 green, 3 blue, 4 red; 6 red, 5 blue, 2 green; 3 red, 11 blue; 6 green, 15 blue, 4 red
+Game 17: 15 blue, 3 green, 2 red; 2 green, 2 red, 15 blue; 1 red, 1 blue, 7 green
+Game 18: 2 blue, 9 red; 12 red, 1 green, 6 blue; 5 red, 5 blue, 2 green
+Game 19: 3 red, 4 green, 8 blue; 10 red, 8 green, 1 blue; 13 blue, 7 green, 10 red; 6 red, 1 green, 11 blue; 9 green, 7 blue, 10 red; 7 blue, 7 red
+Game 20: 8 blue, 4 green, 14 red; 4 green, 16 red, 1 blue; 10 blue, 14 red, 8 green; 4 green, 13 blue, 20 red; 5 blue, 5 green, 1 red
+Game 21: 4 green, 10 blue, 5 red; 11 blue, 4 green, 1 red; 3 blue, 3 red, 2 green; 1 red, 11 blue, 6 green; 1 green, 9 blue, 5 red; 7 blue, 5 green
+Game 22: 3 green, 7 blue, 6 red; 12 red, 11 blue, 2 green; 1 blue, 1 green, 15 red; 6 blue, 1 green, 8 red; 4 blue, 1 red; 2 blue, 1 green, 5 red
+Game 23: 2 blue, 5 green, 13 red; 1 green, 5 blue, 16 red; 6 blue, 9 green, 9 red; 7 green, 3 blue
+Game 24: 2 green; 2 red, 7 blue, 17 green; 5 red, 6 blue, 13 green; 1 green, 6 blue; 2 green, 4 red, 2 blue; 4 blue, 2 green
+Game 25: 2 green, 5 blue, 9 red; 2 green, 8 red, 5 blue; 3 green, 1 red, 19 blue
+Game 26: 3 green, 2 blue, 8 red; 4 red, 2 blue; 11 red, 3 green; 9 red, 3 green, 6 blue; 10 red, 1 green, 2 blue; 4 blue, 4 green, 14 red
+Game 27: 1 green, 4 red, 7 blue; 13 red; 17 red
+Game 28: 5 red, 17 green, 15 blue; 7 blue; 7 red, 12 green, 10 blue; 5 red, 11 blue, 3 green
+Game 29: 4 blue, 9 red, 9 green; 2 green, 10 red, 2 blue; 3 red, 4 blue, 6 green; 2 green, 17 red, 1 blue; 2 red, 7 green, 1 blue
+Game 30: 16 red, 5 blue, 11 green; 5 blue, 5 green, 9 red; 7 green, 1 red, 6 blue
+Game 31: 3 green, 11 blue; 5 green; 8 green, 13 blue; 4 red, 10 blue, 8 green
+Game 32: 11 blue, 5 green, 4 red; 7 blue; 1 red, 1 green, 7 blue; 7 red, 1 blue, 4 green
+Game 33: 7 red, 3 green, 6 blue; 2 red, 16 green, 5 blue; 1 blue, 2 red, 8 green
+Game 34: 1 blue, 1 red, 1 green; 9 red, 6 green; 2 blue, 8 red, 6 green; 1 blue, 12 green, 13 red
+Game 35: 10 red, 9 green; 1 red, 4 blue, 4 green; 7 blue, 3 green, 4 red
+Game 36: 5 red, 6 green, 4 blue; 9 green, 1 red; 12 red, 12 green, 4 blue; 3 red; 18 green, 5 red, 4 blue
+Game 37: 10 green, 4 blue, 2 red; 1 red, 3 blue, 9 green; 5 blue, 4 green, 1 red; 6 green, 12 blue; 7 green, 1 red, 13 blue; 9 green, 20 blue, 2 red
+Game 38: 9 blue, 20 red, 2 green; 3 blue, 6 green, 19 red; 10 green, 8 red, 2 blue; 4 blue, 4 red, 3 green
+Game 39: 4 green, 2 blue, 4 red; 16 blue, 1 red, 2 green; 13 red, 2 green; 16 blue, 7 red, 3 green
+Game 40: 8 blue, 2 green, 2 red; 7 blue, 2 red, 1 green; 8 green, 12 blue, 2 red; 2 red, 3 blue, 8 green
+Game 41: 9 blue, 2 green; 10 blue, 3 green; 1 green, 9 blue, 3 red; 3 blue, 3 green; 12 blue, 1 red; 3 blue, 1 green, 1 red
+Game 42: 1 blue, 1 green, 8 red; 1 blue, 1 red; 2 red, 1 green
+Game 43: 5 red, 2 green, 8 blue; 11 blue, 10 green, 1 red; 11 blue, 7 red
+Game 44: 9 red, 3 green; 9 red, 1 blue, 6 green; 14 red, 5 green; 4 red, 2 green, 1 blue
+Game 45: 5 blue, 1 red, 1 green; 5 blue, 1 red; 6 blue; 10 blue, 1 green; 1 red
+Game 46: 4 green, 8 blue, 13 red; 12 green, 11 blue, 12 red; 1 green, 13 red, 1 blue; 12 red, 8 green, 12 blue
+Game 47: 1 green, 16 blue, 15 red; 1 blue; 18 red, 10 blue, 9 green; 17 blue, 16 red, 5 green; 2 red, 3 blue, 9 green
+Game 48: 2 blue, 4 green; 7 blue, 3 red, 2 green; 17 blue, 13 red; 2 red, 1 green, 9 blue; 2 red, 14 blue
+Game 49: 6 red, 2 blue, 3 green; 1 green, 4 blue, 7 red; 5 red, 8 green, 6 blue; 1 red, 9 green
+Game 50: 18 red, 4 blue; 6 blue, 3 green, 13 red; 1 green, 7 red, 6 blue
+Game 51: 10 blue, 1 green, 9 red; 3 green, 6 blue, 8 red; 4 red, 2 green, 12 blue
+Game 52: 7 blue, 1 red, 8 green; 2 red, 9 blue, 8 green; 16 blue, 7 green; 1 red, 11 green, 8 blue; 2 red, 20 blue
+Game 53: 8 green, 15 red, 4 blue; 5 green, 13 blue; 6 blue, 6 green, 15 red; 12 blue, 2 green, 2 red
+Game 54: 3 green, 5 red, 1 blue; 1 blue, 6 green, 2 red; 4 green, 3 red
+Game 55: 12 green, 8 red, 3 blue; 6 blue, 2 red, 7 green; 4 blue, 13 red, 11 green; 12 green, 9 blue, 7 red; 10 red, 6 blue, 3 green
+Game 56: 6 red, 1 green, 2 blue; 1 red, 1 green, 3 blue; 12 red, 4 blue, 4 green; 3 green, 5 blue, 1 red; 5 blue, 3 green, 2 red; 1 green, 5 red, 7 blue
+Game 57: 1 blue, 1 green, 3 red; 10 red, 6 green, 1 blue; 4 red, 4 green, 2 blue; 7 green, 2 blue, 1 red
+Game 58: 5 green, 2 blue, 4 red; 2 red, 2 blue; 5 red, 3 green; 3 blue, 5 green; 6 red, 2 green, 2 blue; 7 red, 3 blue, 5 green
+Game 59: 14 red, 9 green; 11 red, 2 blue, 5 green; 18 red, 2 blue, 4 green
+Game 60: 16 red, 9 green, 2 blue; 8 green, 17 red; 3 blue, 5 green, 14 red
+Game 61: 12 red, 17 blue, 18 green; 1 green, 1 blue; 1 blue, 4 green, 6 red
+Game 62: 2 blue, 5 green, 3 red; 1 blue, 7 green, 6 red; 8 blue, 1 red; 4 blue, 5 red, 12 green; 15 blue, 3 green, 1 red
+Game 63: 2 blue, 2 red, 1 green; 5 red, 10 blue, 4 green; 4 green, 5 blue, 8 red
+Game 64: 2 blue, 14 green; 9 green, 5 red; 7 red, 3 blue, 10 green; 14 green, 2 blue, 5 red
+Game 65: 4 green, 7 blue, 1 red; 3 red, 2 green, 7 blue; 5 blue, 2 red, 1 green; 6 blue, 2 green; 7 blue
+Game 66: 9 red, 2 green, 5 blue; 5 blue; 8 blue, 5 green, 11 red; 17 blue, 3 green, 14 red; 2 green, 9 blue; 11 red, 4 blue
+Game 67: 2 green, 7 red, 8 blue; 6 red, 4 green; 1 red, 3 green, 7 blue; 7 blue, 7 red, 4 green; 2 red, 1 green; 3 green, 6 red, 2 blue
+Game 68: 4 red, 2 blue, 5 green; 5 blue, 8 red, 2 green; 11 red, 2 green, 4 blue; 7 red, 5 blue, 3 green
+Game 69: 8 blue, 1 green, 4 red; 3 red, 11 blue, 9 green; 12 blue, 10 green; 1 red, 15 blue, 7 green
+Game 70: 13 blue, 1 green, 8 red; 15 blue, 10 red; 10 blue, 17 red; 15 red, 4 green, 6 blue; 11 red, 1 blue, 2 green; 14 red, 4 green, 4 blue
+Game 71: 1 red, 10 blue; 1 green, 12 blue, 2 red; 4 red, 4 green, 8 blue
+Game 72: 2 green, 6 red, 1 blue; 7 red, 4 green, 4 blue; 7 red, 4 blue, 7 green; 7 green, 3 blue; 10 green, 9 blue, 8 red; 5 red, 2 green, 8 blue
+Game 73: 8 blue, 2 green, 9 red; 2 green, 10 red, 6 blue; 3 blue, 6 green, 2 red
+Game 74: 2 blue, 10 green, 7 red; 4 blue, 13 red, 3 green; 11 green, 3 red, 4 blue
+Game 75: 14 green, 1 red, 7 blue; 15 blue, 11 green, 1 red; 11 green, 15 blue, 6 red
+Game 76: 7 green, 7 red, 2 blue; 4 blue, 18 red, 9 green; 12 red, 4 blue, 1 green
+Game 77: 3 blue, 1 green, 12 red; 10 green, 13 red, 7 blue; 7 green, 12 red; 6 blue, 10 red; 5 blue, 3 green, 17 red; 3 green, 5 blue, 13 red
+Game 78: 11 red, 9 blue; 2 red, 7 blue; 12 red, 7 blue, 3 green; 3 green, 8 red, 9 blue; 1 green, 5 red, 6 blue
+Game 79: 6 red, 12 blue; 5 red, 4 green, 11 blue; 13 blue, 2 green, 3 red
+Game 80: 7 red, 6 blue; 2 green, 7 red, 6 blue; 5 blue, 6 red, 2 green; 1 green, 7 red, 2 blue; 4 green, 6 blue, 7 red; 1 green, 6 red, 10 blue
+Game 81: 10 blue, 7 green, 3 red; 7 green, 3 red, 16 blue; 18 blue, 3 red, 7 green
+Game 82: 7 red, 5 blue, 9 green; 7 blue, 8 green, 11 red; 1 blue, 1 green, 10 red; 5 red, 8 blue, 7 green; 6 red, 10 green, 2 blue; 3 blue, 5 green, 10 red
+Game 83: 2 red, 2 green, 1 blue; 2 green, 2 red; 6 red, 1 green; 8 red, 1 blue, 1 green; 1 red, 1 green; 3 red
+Game 84: 9 red, 4 green; 1 red, 13 green, 2 blue; 2 green, 15 red, 2 blue
+Game 85: 2 green, 4 red; 1 blue; 2 green, 4 red, 1 blue
+Game 86: 2 green, 10 red, 3 blue; 3 red, 5 blue; 3 green, 2 blue, 8 red; 1 blue, 5 red, 2 green
+Game 87: 19 green, 9 blue, 7 red; 12 red, 15 green; 4 blue, 8 green; 6 green, 3 red, 11 blue; 16 green, 4 blue, 11 red; 10 red, 4 blue, 9 green
+Game 88: 6 red, 2 green; 10 red, 4 green, 4 blue; 1 blue, 8 red, 12 green; 7 green, 2 blue, 12 red; 1 green, 5 blue, 16 red; 10 red, 5 blue
+Game 89: 1 red, 14 blue, 1 green; 1 red, 12 blue, 8 green; 2 red, 13 blue, 11 green; 8 blue, 4 red, 16 green; 4 red, 5 blue; 6 blue, 1 red, 1 green
+Game 90: 3 blue, 9 green, 5 red; 4 green, 6 red, 1 blue; 2 blue, 12 green, 5 red; 1 green, 1 blue, 3 red; 5 red, 3 green
+Game 91: 8 green, 3 blue, 8 red; 8 green, 4 blue, 4 red; 5 red, 1 green
+Game 92: 1 green, 9 red; 1 red, 4 blue; 9 red, 2 green; 3 red, 1 blue
+Game 93: 1 red, 16 green, 5 blue; 1 red, 1 green, 4 blue; 4 blue, 6 red, 13 green
+Game 94: 9 red, 9 blue, 3 green; 5 green, 11 blue, 1 red; 3 red, 6 blue
+Game 95: 2 green, 4 blue; 8 green, 2 blue, 12 red; 10 red, 9 green; 4 red, 2 blue, 4 green; 8 blue, 7 green, 14 red; 1 blue, 4 red, 8 green
+Game 96: 12 red, 2 blue, 8 green; 6 green, 6 red; 7 blue, 8 green, 6 red; 14 red, 8 green; 2 blue, 4 green, 10 red; 6 green, 7 blue, 7 red
+Game 97: 4 green, 12 red, 2 blue; 8 blue, 3 red, 3 green; 2 blue, 2 red, 7 green; 17 blue, 1 green, 7 red; 19 blue, 1 red, 6 green; 6 green, 7 red, 9 blue
+Game 98: 13 red, 15 green, 14 blue; 6 blue, 1 green; 14 blue, 12 red, 1 green
+Game 99: 1 green, 11 red, 12 blue; 7 red, 20 blue, 1 green; 5 blue, 5 red; 6 blue, 4 red; 1 blue, 1 green; 6 red, 8 blue
+Game 100: 2 red, 9 green, 11 blue; 13 blue, 4 red, 16 green; 8 green, 13 blue; 10 green, 1 red, 12 blue
diff --git a/2023/02/resources/input_small.txt b/2023/02/resources/input_small.txt
new file mode 100644
index 0000000..295c36d
--- /dev/null
+++ b/2023/02/resources/input_small.txt
@@ -0,0 +1,5 @@
+Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
+Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
+Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
+Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
+Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green
diff --git a/2023/02/src/game.cpp b/2023/02/src/game.cpp
new file mode 100644
index 0000000..a99b8a2
--- /dev/null
+++ b/2023/02/src/game.cpp
@@ -0,0 +1,98 @@
+#include "game.h"
+
+#include <iostream>
+#include <sstream>
+
+Game::Game(int id) : id_{ id }
+{
+}
+
+void Game::push_back(const std::vector<int>& draw)
+{
+    draws.push_back(draw);
+}
+
+bool Game::is_valid(int blue, int red, int green) const
+{
+    for (const auto& draw : draws)
+    {
+        if (draw[0] > blue or draw[1] > red or draw[2] > green)
+        {
+            return false;
+        }
+    }
+    return true;
+}
+
+int Game::power() const
+{
+    int blue{}, red{}, green{};
+    for (const auto& draw : draws)
+    {
+        blue  = std::max(draw[0], blue);
+        red   = std::max(draw[1], red);
+        green = std::max(draw[2], green);
+    }
+
+    return blue * red * green;
+}
+
+std::string Game::to_string() const
+{
+    std::ostringstream out;
+    out << "Game " << id_ << ": ";
+    for (const auto& draw : draws)
+    {
+        out << draw[0] << " " << draw[1] << " " << draw[2] << ";";
+    }
+
+    return out.str();
+}
+
+Game Game::from_string(const std::string& line)
+{
+    std::istringstream in(line);
+
+    std::string id;
+    in >> skip<game_t> >> id;
+    id.pop_back();
+    Game game{ std::stoi(id) };
+
+    int n;
+    std::string kind;
+    std::vector<int> draw{ 0, 0, 0};
+
+    while (in >> n >> kind)
+    {
+        char sep{ kind.back() };
+        if (sep == ';' or sep == ',')
+        {
+            kind.pop_back();
+        }
+        else
+        {
+            sep = ';';
+        }
+
+        if (kind == "blue")
+        {
+            draw[0] += n;
+        }
+        else if (kind == "red")
+        {
+            draw[1] += n;
+        }
+        else if (kind == "green")
+        {
+            draw[2] += n;
+        }
+
+        if (sep == ';')
+        {
+            game.push_back(draw);
+            draw = { 0, 0, 0 };
+        }
+    }
+
+    return game;
+}
diff --git a/2023/02/src/game.h b/2023/02/src/game.h
new file mode 100644
index 0000000..1c8002a
--- /dev/null
+++ b/2023/02/src/game.h
@@ -0,0 +1,45 @@
+#ifndef GAME_H
+#define GAME_H
+
+#include <stdexcept>
+#include <string>
+#include <tuple>
+#include <vector>
+
+template<const char* keyword, typename CharT, typename Traits>
+std::basic_istream<CharT, Traits>& skip(std::basic_istream<CharT, Traits>& stream)
+{
+    std::string word;
+    stream >> word;
+    if (word != keyword)
+    {
+        throw std::invalid_argument("Malformed input");
+    }
+
+    return stream;
+}
+
+class Game
+{
+    int id_;
+    std::vector<std::vector<int>> draws{};
+
+    static constexpr char game_t[] = "Game";
+
+    public:
+    Game(int id);
+
+    inline int id() const
+    {
+        return id_;
+    }
+
+    bool is_valid(int blue, int red, int green) const;
+    int power() const;
+    void push_back(const std::vector<int>& draw);
+    std::string to_string() const;
+
+    static Game from_string(const std::string& line);
+};
+
+#endif //GAME_H
diff --git a/2023/02/src/part1.cpp b/2023/02/src/part1.cpp
new file mode 100644
index 0000000..c9fe48c
--- /dev/null
+++ b/2023/02/src/part1.cpp
@@ -0,0 +1,33 @@
+#include <iostream>
+#include <fstream>
+
+#include "game.h"
+
+int main(void)
+{
+    int answer{};
+    std::vector<Game> games{};
+
+    std::ifstream input{ "resources/input.txt" };
+    if (input.is_open())
+    {
+        std::string line;
+
+        while (not std::getline(input,line).eof())
+        {
+            games.push_back(Game::from_string(line));
+        }
+    }
+    input.close();
+
+    for (const auto& game : games)
+    {
+        if (game.is_valid(14, 12, 13))
+        {
+            answer += game.id();
+        }
+    }
+
+    std::cout << answer << std::endl;
+    return 0;
+}
diff --git a/2023/02/src/part2.cpp b/2023/02/src/part2.cpp
new file mode 100644
index 0000000..52b8fc8
--- /dev/null
+++ b/2023/02/src/part2.cpp
@@ -0,0 +1,31 @@
+#include <algorithm>
+#include <iostream>
+#include <fstream>
+
+#include "game.h"
+
+int main(void)
+{
+    int answer{};
+    std::vector<Game> games{};
+
+    std::ifstream input{ "resources/input.txt" };
+    if (input.is_open())
+    {
+        std::string line;
+
+        while (not std::getline(input,line).eof())
+        {
+            games.push_back(Game::from_string(line));
+        }
+    }
+    input.close();
+
+    for (const auto& game : games)
+    {
+        answer += game.power();
+    }
+
+    std::cout << answer << std::endl;
+    return 0;
+}