Day 2 puzzle

.editorconfig

@@ -0,0 +1,17 @@
+# Editor configuration, see https://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_style = tab
+indent_size = 4
+insert_final_newline = false
+trim_trailing_whitespace = true
+
+[*.md]
+max_line_length = off
+trim_trailing_whitespace = false
+
+[*.yml]
+indent_style = space
+indent_size = 2

Cargo.lock

@@ -7,8 +7,13 @@ name = "aocrust"
 version = "0.1.0"
 dependencies = [
  "day1",
+ "day2",
 ]
 
 [[package]]
 name = "day1"
 version = "0.1.0"
+
+[[package]]
+name = "day2"
+version = "0.1.0"

Cargo.toml

@@ -7,8 +7,10 @@ edition = "2021"
 
 [workspace]
 members = [
-	"day1"
+	"day1",
+	"day2"
 ]
 
 [dependencies]
 day1 = { path = "./day1" }
+day2 = { path = "./day2" }

day2/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "day2"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

day2/src/lib.rs

@@ -0,0 +1,70 @@
+use std::fs;
+
+pub fn start() {
+	let input = fs::read_to_string("./day2/src/input.txt").unwrap();
+	let rounds = input.split("\n");
+
+	let b = ["X", "Y", "Z"];
+	let a = ["A", "B", "C"];
+
+	let mut score1 = 0;
+	let mut score2 = 0;
+	rounds.map(|f| f.split_at(1))
+		.map(|f| {
+			let p = b.into_iter().position(|x| x == f.1.replace(" ", "")).unwrap();
+			let e = a.into_iter().position(|x| x == f.0.replace(" ", "")).unwrap();
+			(p, e)
+		})
+		.for_each(|f| {
+			let bonus;
+			let mut points = 0;
+			// draw
+			if f.0 == 1 {
+				bonus = 3;
+				points = f.1 + 1;
+			}// win
+			else if f.0 == 2 {
+				bonus = 6;
+				if f.1 == 0 {
+					points = 2;
+				}
+				else if f.1 == 1 {
+					points = 3;
+				}
+				else if f.1 == 2 {
+					points = 1;
+				}
+			}// lose
+			else {
+				bonus = 0;
+				if f.1 == 0 {
+					points = 3;
+				}
+				else if f.1 == 1 {
+					points = 1;
+				}
+				else if f.1 == 2 {
+					points = 2;
+				}
+			}
+			score2 += points + bonus;
+
+			let bonus: usize;
+			let points = f.0 + 1;
+			// draw
+			if f.0 == f.1 {
+				bonus = 3;
+			}// win
+			else if f.0 == 0 && f.1 == 2 || f.0 == 1 && f.1 == 0 || f.0 == 2 && f.1 == 1 {
+				bonus = 6;
+			}// lose
+			else {
+				bonus = 0;
+			}
+
+			score1 += points + bonus;
+		});
+
+		println!("{:?}", score1);
+		println!("{:?}", score2);
+}

rust-toolchain.toml

@@ -0,0 +1,2 @@
+[toolchain]
+channel= "nightly"

rustfmt.toml

@@ -0,0 +1,8 @@
+unstable_features = true
+reorder_imports = true
+hard_tabs = true
+control_brace_style = "ClosingNextLine"
+imports_granularity = "Crate"
+group_imports = "StdExternalCrate"
+edition = "2021"
+newline_style = "Unix"

src/main.rs

@@ -1,5 +1,6 @@
 use day1;
-
+use day2;
 fn main() {
-    day1::start();
+	// day1::start();
+    day2::start();
 }