From 274e02644751036fc2014c991417a3713d346e3c Mon Sep 17 00:00:00 2001
From: limb <limb>
Date: Thu, 2 Dec 2021 14:43:30 +0000
Subject: [PATCH] Day 2

---
 CMakeLists.txt      |   11 +
 day2/CMakeLists.txt |    9 +
 day2/input          | 1000 +++++++++++++++++++++++++++++++++++++++++++
 day2/part1/main.cpp |   42 ++
 day2/part2/main.cpp |   43 ++
 5 files changed, 1105 insertions(+)
 create mode 100644 CMakeLists.txt
 create mode 100644 day2/CMakeLists.txt
 create mode 100644 day2/input
 create mode 100644 day2/part1/main.cpp
 create mode 100644 day2/part2/main.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..f7399ca
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,11 @@
+cmake_minimum_required(VERSION 3.10)
+
+# set the project name
+project(AdventofCode2021)
+
+# specify the C++ standard
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED True)
+
+add_subdirectory(day1)
+add_subdirectory(day2)
\ No newline at end of file
diff --git a/day2/CMakeLists.txt b/day2/CMakeLists.txt
new file mode 100644
index 0000000..288bb74
--- /dev/null
+++ b/day2/CMakeLists.txt
@@ -0,0 +1,9 @@
+# set the project name
+project(d2p1)
+
+file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/input
+     DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
+
+# add the executable
+add_executable(d2p1 part1/main.cpp)
+add_executable(d2p2 part2/main.cpp)
\ No newline at end of file
diff --git a/day2/input b/day2/input
new file mode 100644
index 0000000..ac80dd3
--- /dev/null
+++ b/day2/input
@@ -0,0 +1,1000 @@
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diff --git a/day2/part1/main.cpp b/day2/part1/main.cpp
new file mode 100644
index 0000000..c914ad2
--- /dev/null
+++ b/day2/part1/main.cpp
@@ -0,0 +1,42 @@
+#include <iostream>
+#include <fstream>
+#include <vector>
+
+using namespace std;
+
+struct Command {
+    string direction;
+    int distance;
+};
+
+int main() {
+    cout << "Advent of Code 2021 - Day 2 Part 1" << endl;
+
+    int x, y = 0;
+
+    ifstream filein("input");
+    vector<Command> inputCommands;
+    for(string line; getline(filein, line);) {
+        int space = line.find(" ");
+        inputCommands.push_back(Command {line.substr(0, space), stoi(line.substr(space+1))});
+    }
+
+    for(Command cmd : inputCommands) {
+        if(cmd.direction == "forward") {
+            x += cmd.distance;
+        }
+        else if (cmd.direction == "down") {
+            y += cmd.distance;
+        }
+        else if(cmd.direction == "up") {
+            y -= cmd.distance;
+        }
+        else {
+            cout << "Uh I shouldn't get here in the for cmd loop" << endl;
+        }
+    }
+
+    cout << x * y << endl;
+
+    return 0;
+}
\ No newline at end of file
diff --git a/day2/part2/main.cpp b/day2/part2/main.cpp
new file mode 100644
index 0000000..95f1937
--- /dev/null
+++ b/day2/part2/main.cpp
@@ -0,0 +1,43 @@
+#include <iostream>
+#include <fstream>
+#include <vector>
+
+using namespace std;
+
+struct Command {
+    string direction;
+    int distance;
+};
+
+int main() {
+    cout << "Advent of Code 2021 - Day 2 Part 2" << endl;
+
+    int x, y, aim = 0;
+
+    ifstream filein("input");
+    vector<Command> inputCommands;
+    for(string line; getline(filein, line);) {
+        int space = line.find(" ");
+        inputCommands.push_back(Command {line.substr(0, space), stoi(line.substr(space+1))});
+    }
+
+    for(Command cmd : inputCommands) {
+        if(cmd.direction == "forward") {
+            x += cmd.distance;
+            y += cmd.distance * aim;
+        }
+        else if (cmd.direction == "down") {
+            aim += cmd.distance;
+        }
+        else if(cmd.direction == "up") {
+            aim -= cmd.distance;
+        }
+        else {
+            cout << "Uh I shouldn't get here in the for cmd loop" << endl;
+        }
+    }
+
+    cout << x * y << endl;
+
+    return 0;
+}
\ No newline at end of file