beginning of days 4 and 5

day4/input.txt

@@ -0,0 +1,19 @@
+7,4,9,5,11,17,23,2,0,14,21,24,10,16,13,6,15,25,12,22,18,20,8,19,3,26,1
+
+22 13 17 11  0
+ 8  2 23  4 24
+21  9 14 16  7
+ 6 10  3 18  5
+ 1 12 20 15 19
+
+ 3 15  0  2 22
+ 9 18 13 17  5
+19  8  7 25 23
+20 11 10 24  4
+14 21 16 12  6
+
+14 21 17 24  4
+10 16 15  9 19
+18  8 23 26 20
+22 11 13  6  5
+ 2  0 12  3  7

day4/rust/Cargo.toml

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

day4/rust/src/main.rs

@@ -0,0 +1,16 @@
+use std::fs;
+
+fn main() {
+    let input = fs::read_to_string("../input.txt").expect("Could not read file");
+
+    let numbers: Vec<&str> = input.split('\n').next().unwrap().split(',').collect();
+    for i in numbers.iter() {
+        println!("{}", i);
+    }
+
+    let boards: Vec<&str> = input.split("\n\n").collect();
+    println!("{}", boards.len());
+    for i in boards.iter() {
+        println!("{:?}", i);
+    }
+}