From 896bebbc97da3c954885e03078af5663db729064 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20M=C3=A5rdbrink?= <hugo@mardbrink.se>
Date: Sun, 3 Dec 2023 11:56:21 +0100
Subject: [PATCH] Day 2

---
 CMakeLists.txt |   5 +--
 d2/input.txt   | 100 +++++++++++++++++++++++++++++++++++++++++++++++++
 d2/main.cxx    |  59 +++++++++++++++++++++++++++++
 3 files changed, 160 insertions(+), 4 deletions(-)
 create mode 100644 d2/input.txt
 create mode 100644 d2/main.cxx

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b9a1969..cef63ea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,16 +6,13 @@ set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_BINARY_DIR ${CMAKE_SOURCE_DIR}/build)
 set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR})
 
-<<<<<<< HEAD
-=======
 set(CMAKE_BUILD_TYPE Release)
 
 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
     set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
 endif()
 
->>>>>>> ca595e1 (Day 1)
-set(executables d1)
+set(executables d1 d2)
 
 foreach(executable ${executables})
     add_executable(${executable} "${executable}/main.cxx")
diff --git a/d2/input.txt b/d2/input.txt
new file mode 100644
index 0000000..3d9b03c
--- /dev/null
+++ b/d2/input.txt
@@ -0,0 +1,100 @@
+Game 1: 10 red, 7 green, 3 blue; 5 blue, 3 red, 10 green; 4 blue, 14 green, 7 red; 1 red, 11 green; 6 blue, 17 green, 15 red; 18 green, 7 red, 5 blue
+Game 2: 13 green, 10 red; 11 green, 1 blue, 7 red; 5 red, 12 green, 1 blue; 12 green, 6 red; 8 green, 5 red; 12 green, 1 red
+Game 3: 7 green, 1 blue; 1 blue, 3 green, 1 red; 1 green, 1 blue; 2 green; 1 blue, 7 green, 2 red; 2 green
+Game 4: 7 green, 11 blue; 12 blue, 7 green; 1 green, 7 blue; 5 blue, 2 green; 5 red, 9 green, 14 blue
+Game 5: 2 red, 6 blue, 6 green; 2 red, 6 green; 12 blue, 5 red, 3 green; 12 green, 5 red, 8 blue; 10 blue, 5 green; 2 red, 4 green
+Game 6: 8 blue, 1 red, 17 green; 7 blue; 10 green, 6 blue; 5 blue, 1 red, 11 green
+Game 7: 1 blue, 2 red, 2 green; 1 blue, 3 green; 3 green, 1 red, 3 blue; 2 blue, 3 green, 1 red
+Game 8: 3 green, 10 red, 15 blue; 1 green, 9 red; 9 blue, 2 green, 12 red
+Game 9: 4 green, 10 blue, 13 red; 16 red, 7 blue; 14 red, 1 green, 1 blue; 14 red, 4 blue, 1 green
+Game 10: 6 blue, 9 red, 3 green; 9 green, 7 blue, 9 red; 2 red, 4 blue, 6 green; 12 green, 7 blue, 5 red
+Game 11: 1 green, 6 blue, 6 red; 7 red, 1 blue; 1 green, 6 blue; 4 red, 1 green, 1 blue; 6 red, 9 green, 4 blue; 5 green, 7 red, 4 blue
+Game 12: 18 green, 4 red, 12 blue; 7 green, 5 blue, 3 red; 7 green, 3 red; 8 green, 7 blue; 4 red, 7 green, 10 blue
+Game 13: 1 red, 2 blue; 1 red, 6 green; 5 blue, 2 red, 12 green; 1 red, 11 green, 2 blue; 2 red, 8 green, 1 blue; 3 blue, 16 green, 1 red
+Game 14: 3 blue, 2 green; 4 green, 1 red; 1 green, 1 red, 3 blue; 4 blue, 3 green; 5 blue, 1 green; 4 green, 2 blue, 1 red
+Game 15: 12 blue, 3 red; 5 blue, 2 red, 1 green; 12 blue, 3 red, 2 green; 1 green, 5 red, 6 blue; 1 green, 5 blue, 3 red
+Game 16: 8 red, 4 blue, 1 green; 15 blue, 5 red, 4 green; 3 green, 13 blue, 4 red; 4 red, 1 blue, 3 green; 1 green, 13 blue, 6 red
+Game 17: 8 red, 7 green, 2 blue; 6 green, 1 blue, 12 red; 3 red; 4 green, 1 red; 7 red, 1 blue, 9 green
+Game 18: 7 blue, 10 red, 3 green; 3 green, 1 blue; 7 red, 1 green, 7 blue; 7 blue, 4 red, 1 green; 2 green, 1 blue, 10 red; 3 blue, 11 red, 1 green
+Game 19: 10 red, 10 blue; 13 red; 4 blue, 15 red, 3 green; 6 green, 11 red, 11 blue; 4 blue, 8 red
+Game 20: 1 blue, 9 green, 2 red; 2 blue, 4 red, 4 green; 4 green, 2 red
+Game 21: 13 green, 1 red; 3 red, 5 green, 11 blue; 1 blue, 2 red, 4 green; 7 blue, 3 red; 2 red, 1 blue, 3 green
+Game 22: 2 red, 2 blue, 3 green; 10 red, 4 blue; 8 blue, 8 green, 11 red
+Game 23: 1 red, 2 blue; 1 blue, 1 green; 1 green; 3 red, 1 blue, 1 green
+Game 24: 12 green, 4 red, 2 blue; 8 green, 5 blue; 8 green, 2 blue, 2 red
+Game 25: 3 red, 8 green; 1 red, 4 blue, 1 green; 6 green; 3 blue, 5 green, 3 red; 9 green, 3 blue, 5 red
+Game 26: 1 green, 3 red, 2 blue; 7 red, 2 green, 11 blue; 7 blue, 4 red; 11 blue, 1 red, 1 green; 2 green, 10 blue, 1 red; 1 green, 7 red, 7 blue
+Game 27: 5 green, 2 red, 4 blue; 5 red, 4 blue, 3 green; 5 green, 2 red, 7 blue; 7 red, 15 green, 5 blue
+Game 28: 1 green, 7 blue, 14 red; 7 green, 6 blue, 3 red; 7 blue, 4 red, 10 green; 9 red, 11 green, 5 blue
+Game 29: 4 red, 6 blue, 5 green; 12 red, 3 green, 1 blue; 6 blue, 11 red, 6 green; 2 green, 2 blue, 12 red
+Game 30: 13 green, 11 red, 11 blue; 7 green, 9 blue, 7 red; 11 red, 1 blue, 11 green
+Game 31: 14 green, 1 blue, 8 red; 1 green, 2 blue; 1 green, 1 red, 1 blue
+Game 32: 7 blue, 2 green; 12 blue, 7 green; 4 red, 14 blue, 2 green; 14 green, 4 blue
+Game 33: 5 blue, 12 red; 3 blue, 4 red, 1 green; 9 red, 2 blue; 11 red
+Game 34: 1 blue; 3 blue; 1 blue, 1 red; 5 red, 2 blue; 4 red, 1 blue, 1 green
+Game 35: 3 green, 2 blue, 1 red; 2 red, 8 green, 3 blue; 7 green, 2 red, 8 blue; 3 blue, 4 green
+Game 36: 10 green, 9 blue, 2 red; 3 green, 7 blue, 7 red; 14 green, 13 blue; 8 green, 8 red, 2 blue
+Game 37: 3 red, 1 blue, 14 green; 1 blue, 1 green; 5 red, 9 green; 1 red, 2 blue, 13 green; 11 red, 14 green, 2 blue
+Game 38: 4 green, 3 red, 6 blue; 18 red, 15 blue, 1 green; 17 blue, 6 green, 19 red; 18 red, 15 blue; 1 green, 12 blue, 18 red
+Game 39: 1 red; 10 blue, 6 red, 1 green; 1 green, 1 red, 9 blue; 17 red, 10 blue
+Game 40: 5 red, 3 green, 9 blue; 8 red, 4 blue; 2 green, 3 blue, 4 red; 3 blue, 4 red, 6 green; 4 blue, 5 red, 2 green; 4 blue
+Game 41: 6 green, 1 blue; 5 blue, 3 green, 6 red; 10 red, 1 blue; 6 green, 1 blue, 9 red
+Game 42: 1 red, 5 green, 7 blue; 7 red, 4 blue, 4 green; 5 red, 2 green, 6 blue
+Game 43: 1 green, 18 red, 8 blue; 7 red, 4 green, 5 blue; 1 blue, 18 red; 5 red, 8 blue
+Game 44: 3 blue, 10 green; 5 green, 2 red, 1 blue; 6 blue, 14 green; 3 green, 5 blue, 5 red
+Game 45: 12 red, 1 blue, 16 green; 1 red, 6 blue, 3 green; 5 red, 5 blue, 7 green; 8 red, 15 green; 3 green, 12 red, 7 blue
+Game 46: 3 red, 1 green; 1 green, 17 blue, 10 red; 2 green, 17 blue; 3 green, 17 blue, 12 red; 2 green, 12 red
+Game 47: 3 green, 9 red; 3 red, 1 blue, 6 green; 10 red, 9 green, 1 blue; 2 blue, 15 green; 7 red, 12 green, 3 blue
+Game 48: 4 green, 13 red, 14 blue; 8 red, 8 green; 15 blue, 4 red, 11 green; 3 blue, 3 red, 4 green; 2 blue, 6 red, 4 green; 13 green, 12 blue, 11 red
+Game 49: 15 blue, 2 green, 7 red; 1 green, 7 red, 7 blue; 13 blue; 3 blue, 2 red, 1 green
+Game 50: 9 red; 5 green, 2 blue, 10 red; 5 red, 1 green
+Game 51: 3 green, 1 blue, 3 red; 4 blue, 4 red; 4 green, 6 red, 5 blue; 4 red, 7 blue
+Game 52: 10 green, 12 red, 2 blue; 2 green, 7 red; 18 green, 3 red, 3 blue; 6 red, 13 green, 2 blue
+Game 53: 13 blue, 2 green; 2 green, 12 blue; 1 green, 11 blue, 1 red; 11 blue, 2 green, 8 red
+Game 54: 5 red; 15 green, 17 red, 7 blue; 14 green, 5 red, 15 blue; 2 red, 10 blue, 16 green
+Game 55: 1 blue, 1 red, 2 green; 5 green, 3 blue, 8 red; 6 red, 4 blue, 7 green; 2 blue, 10 green, 7 red
+Game 56: 1 blue, 8 red, 7 green; 3 green, 7 blue, 5 red; 5 green, 7 blue; 3 blue, 12 red, 8 green; 3 blue; 2 blue, 3 green, 10 red
+Game 57: 5 red, 13 green, 3 blue; 19 green, 7 red, 8 blue; 1 red, 12 green, 3 blue; 4 green, 10 blue, 4 red; 3 blue, 7 red, 20 green
+Game 58: 8 blue, 5 red, 2 green; 4 red, 11 blue; 9 blue, 6 green, 8 red; 7 green, 11 blue
+Game 59: 7 red, 7 green, 9 blue; 5 red, 4 green, 5 blue; 1 red, 2 blue, 6 green; 10 green, 12 blue, 3 red; 7 green, 18 blue, 4 red
+Game 60: 12 blue, 7 red, 12 green; 18 green, 9 red; 13 green, 13 red, 12 blue; 14 red, 5 green, 13 blue; 17 green, 7 red, 13 blue
+Game 61: 5 blue; 2 blue, 10 green, 2 red; 12 green, 2 red, 1 blue; 4 blue, 2 green; 2 red, 6 green; 6 green, 2 blue, 2 red
+Game 62: 2 blue, 5 red, 4 green; 3 green, 6 blue, 7 red; 13 red, 5 blue, 1 green; 3 red, 3 blue, 1 green; 17 blue, 4 green, 3 red; 5 red, 13 blue, 3 green
+Game 63: 1 red, 6 blue, 10 green; 1 red, 8 blue, 6 green; 7 red, 11 blue
+Game 64: 11 blue, 13 red; 12 blue, 6 red; 1 green, 2 blue, 4 red
+Game 65: 1 green, 9 red, 4 blue; 11 blue, 3 green; 2 blue, 1 green; 3 red, 2 green, 10 blue
+Game 66: 8 red, 1 blue, 3 green; 1 green, 3 blue, 1 red; 2 blue, 9 green; 8 green, 3 blue, 6 red; 2 blue, 12 green, 7 red
+Game 67: 5 green, 5 red, 10 blue; 12 blue, 13 green, 4 red; 6 red, 11 green, 3 blue; 8 blue, 4 red; 4 red, 14 green; 1 red, 1 blue, 14 green
+Game 68: 7 green, 17 red; 14 green, 1 blue, 1 red; 11 green, 1 blue, 16 red
+Game 69: 11 red, 2 green, 2 blue; 4 blue, 14 red; 2 red, 6 blue, 3 green; 6 red, 2 green; 5 red, 1 green, 4 blue; 7 red, 3 blue
+Game 70: 18 blue, 4 red; 5 red, 14 blue; 17 blue, 9 red; 13 red, 17 blue, 1 green; 2 blue, 9 red
+Game 71: 1 green, 6 red, 6 blue; 6 green, 4 blue, 5 red; 8 red, 3 blue, 7 green; 7 red, 2 blue, 1 green; 3 blue, 2 green, 3 red
+Game 72: 11 green, 4 red, 2 blue; 2 blue, 6 green, 1 red; 3 red, 1 blue, 9 green; 4 blue, 12 green, 3 red; 2 red, 3 green, 1 blue
+Game 73: 1 blue, 12 red; 14 green, 2 blue, 10 red; 6 blue, 8 red, 8 green; 7 green; 6 red, 10 green, 4 blue; 4 green, 9 red
+Game 74: 5 green, 6 blue; 1 green, 12 blue; 2 blue, 2 green, 5 red; 5 green, 9 blue, 2 red
+Game 75: 11 red, 7 blue, 12 green; 7 blue, 8 red, 9 green; 3 red, 17 green, 3 blue
+Game 76: 1 green, 12 blue; 11 blue, 7 green, 10 red; 10 green, 12 blue, 1 red; 10 green, 12 red, 1 blue
+Game 77: 2 blue, 17 green, 3 red; 10 red, 13 green; 12 green, 2 blue, 13 red; 12 green, 2 blue, 8 red; 14 green, 10 red, 1 blue
+Game 78: 3 red, 8 green, 5 blue; 8 green, 3 blue; 2 green, 6 red; 4 red, 1 green, 4 blue; 4 red, 8 green, 6 blue; 1 red, 1 blue, 8 green
+Game 79: 1 green, 2 blue, 2 red; 1 blue, 19 red, 1 green; 18 red; 1 green, 3 red, 5 blue; 15 red, 1 blue; 2 blue, 17 red, 1 green
+Game 80: 13 red, 1 green; 15 red, 1 blue; 8 red, 1 green
+Game 81: 1 blue, 1 red, 2 green; 1 red, 3 green, 2 blue; 1 blue, 4 green; 2 green, 2 blue
+Game 82: 8 red, 4 green, 8 blue; 4 green, 6 red, 3 blue; 3 red, 3 blue; 2 blue, 1 green, 11 red; 2 green, 1 blue, 4 red
+Game 83: 1 red, 15 green; 2 red, 6 blue, 12 green; 3 green, 10 blue, 14 red; 6 blue, 7 red, 1 green
+Game 84: 2 blue, 12 red, 4 green; 1 red, 3 blue, 5 green; 6 blue, 5 green, 12 red; 2 red, 1 green; 2 red, 5 blue, 5 green
+Game 85: 4 red; 3 red, 15 green, 2 blue; 15 green, 1 red, 2 blue; 4 green, 4 red, 2 blue
+Game 86: 1 green, 3 red, 4 blue; 2 green, 7 red, 4 blue; 7 red, 4 green, 4 blue; 1 blue, 11 red, 4 green
+Game 87: 5 green, 5 red, 15 blue; 4 blue, 12 red, 10 green; 3 green, 11 blue, 9 red; 3 red, 4 green, 16 blue; 3 red, 10 blue, 10 green; 15 blue, 9 green, 12 red
+Game 88: 2 green, 10 blue; 4 blue, 8 green; 8 green, 1 blue; 13 blue, 1 red, 2 green; 2 green, 16 blue
+Game 89: 5 blue, 7 red; 10 red, 11 blue, 6 green; 6 green, 3 red, 7 blue; 5 green, 3 red, 20 blue; 8 red, 6 green, 10 blue; 7 blue, 5 green, 10 red
+Game 90: 4 red, 1 green, 4 blue; 9 red, 9 blue, 9 green; 4 green, 11 red; 9 red, 5 green, 3 blue; 9 red, 2 green, 2 blue
+Game 91: 13 green, 13 blue; 3 red, 11 green, 5 blue; 10 blue, 3 green, 1 red; 3 blue, 10 green, 2 red; 5 blue, 2 green
+Game 92: 8 blue, 1 green, 4 red; 3 blue, 6 red; 3 red, 1 green, 14 blue; 6 blue, 8 red; 15 blue, 9 red; 4 blue, 2 red
+Game 93: 3 blue, 17 red, 2 green; 9 blue, 6 red; 6 blue, 2 green, 16 red; 1 green, 5 blue, 15 red; 3 blue, 2 green, 14 red
+Game 94: 7 blue, 19 green, 1 red; 4 blue; 8 blue, 3 red, 4 green
+Game 95: 2 green, 6 red, 13 blue; 5 red, 12 green, 12 blue; 18 blue, 8 red, 4 green; 7 red, 6 green, 17 blue; 4 green, 9 red, 6 blue; 10 red, 1 green, 4 blue
+Game 96: 8 blue, 9 red; 9 red, 10 blue; 5 blue, 1 green, 2 red; 2 blue, 2 red
+Game 97: 4 red, 1 blue, 2 green; 2 green, 11 red, 1 blue; 8 red, 1 green; 7 red, 3 green, 1 blue; 5 red, 1 green, 1 blue
+Game 98: 6 green, 4 blue, 12 red; 3 blue, 13 red, 1 green; 2 blue, 12 green, 2 red; 13 green, 2 red, 1 blue; 10 red, 7 green, 1 blue
+Game 99: 6 blue, 3 green, 5 red; 3 green, 6 red, 8 blue; 3 green, 11 blue, 14 red; 14 red, 5 green, 1 blue
+Game 100: 16 red, 3 blue; 2 red, 5 green; 9 red; 1 blue, 3 green, 10 red; 1 red, 5 blue, 3 green; 12 blue, 9 red
\ No newline at end of file
diff --git a/d2/main.cxx b/d2/main.cxx
new file mode 100644
index 0000000..398f938
--- /dev/null
+++ b/d2/main.cxx
@@ -0,0 +1,59 @@
+#include <iostream>
+#include <fstream>
+#include <sstream>
+#include <string>
+#include <vector>
+
+struct Game
+{
+  int nr;
+  int r;
+  int b;
+  int g;
+};
+
+constexpr unsigned int hash(const char *s, int off = 0)
+{
+  return !s[off] ? 5381 : (hash(s, off + 1) * 33) ^ s[off];
+}
+
+int main()
+{
+  constexpr int redCap{12}, blueCap{14}, greenCap{13};
+  std::ifstream file{"../d2/input.txt"};
+  std::string line, ignored, currentColor;
+  int sum{0}, currentNumber;
+
+  while (std::getline(file, line))
+  {
+    std::replace(line.begin(), line.end(), ':', ' ');
+    std::replace(line.begin(), line.end(), ';', ' ');
+    std::replace(line.begin(), line.end(), ',', ' ');
+
+    std::stringstream iss(line);
+    Game tempGame{};
+    iss >> ignored >> tempGame.nr;
+
+    while (iss.tellg() != -1)
+    {
+      iss >> currentNumber >> currentColor;
+
+      switch (hash(currentColor.c_str()))
+      {
+      case hash("red"):
+        tempGame.r = (currentNumber > tempGame.r) ? currentNumber : tempGame.r;
+        break;
+      case hash("green"):
+        tempGame.g = (currentNumber > tempGame.g) ? currentNumber : tempGame.g;
+        break;
+      case hash("blue"):
+        tempGame.b = (currentNumber > tempGame.b) ? currentNumber : tempGame.b;
+        break;
+      }
+    }
+    sum += tempGame.r * tempGame.b * tempGame.g;
+  }
+  std::cout << sum << std::endl;
+
+  return 0;
+}