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authorj-james2022-12-03 02:39:47 +0000
committerj-james2022-12-03 02:39:47 +0000
commitf5f940c52b38a5e17092f5896dc2fc13e8443478 (patch)
tree433ebcfee2ea54432734b44d8f51f95fc5ac8a69 /2022/rust
parent13b3ae4211631c74b9249a6033869f75e036fad2 (diff)
Day Two
Diffstat (limited to '2022/rust')
-rw-r--r--2022/rust/day02/Cargo.lock7
-rw-r--r--2022/rust/day02/Cargo.toml8
-rw-r--r--2022/rust/day02/src/main.rs52
3 files changed, 67 insertions, 0 deletions
diff --git a/2022/rust/day02/Cargo.lock b/2022/rust/day02/Cargo.lock
new file mode 100644
index 0000000..52d399b
--- /dev/null
+++ b/2022/rust/day02/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "day02"
+version = "0.1.0"
diff --git a/2022/rust/day02/Cargo.toml b/2022/rust/day02/Cargo.toml
new file mode 100644
index 0000000..843335d
--- /dev/null
+++ b/2022/rust/day02/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "day02"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/2022/rust/day02/src/main.rs b/2022/rust/day02/src/main.rs
new file mode 100644
index 0000000..fe1494f
--- /dev/null
+++ b/2022/rust/day02/src/main.rs
@@ -0,0 +1,52 @@
+use std::env;
+use std::fs;
+
+fn main() {
+ let args = env::args().nth(1).expect("missing input");
+ let input = fs::read_to_string(args).unwrap();
+ let moves = input.trim().split("\n").map(|x| {
+ let mut vec = x.split(" ");
+ return (vec.next().unwrap(), vec.next().unwrap());
+ }).collect::<Vec<(&str, &str)>>();
+
+ let mut sum = 0;
+ // note: without the iter "moves" is implicitly moved into the loop
+ for i in moves.iter() {
+ match i {
+ // (x, "X") => sum += 1,
+ ("A", "X") => sum += 3 + 1,
+ ("B", "X") => sum += 0 + 1,
+ ("C", "X") => sum += 6 + 1,
+ // (x, "Y") => sum += 2,
+ ("A", "Y") => sum += 6 + 2,
+ ("B", "Y") => sum += 3 + 2,
+ ("C", "Y") => sum += 0 + 2,
+ // (x, "Z") => sum += 3,
+ ("A", "Z") => sum += 0 + 3,
+ ("B", "Z") => sum += 6 + 3,
+ ("C", "Z") => sum += 3 + 3,
+ _ => ()
+ }
+ }
+ println!("{}", sum);
+
+ sum = 0;
+ for i in moves.iter() {
+ match i {
+ // (x, "X") => sum += 1,
+ ("A", "X") => sum += 3 + 0,
+ ("B", "X") => sum += 1 + 0,
+ ("C", "X") => sum += 2 + 0,
+ // (x, "Y") => sum += 2,
+ ("A", "Y") => sum += 1 + 3,
+ ("B", "Y") => sum += 2 + 3,
+ ("C", "Y") => sum += 3 + 3,
+ // (x, "Z") => sum += 3,
+ ("A", "Z") => sum += 2 + 6,
+ ("B", "Z") => sum += 3 + 6,
+ ("C", "Z") => sum += 1 + 6,
+ _ => ()
+ }
+ }
+ println!("{}", sum);
+}