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Signed-off-by: TuDatTr <tuan-dat.tran@tudattr.dev>

2022/Cargo.toml

@@ -1,9 +1,30 @@
 [workspace]
 members = [
    "common",
-   "day-1_calorie_counting",
-   "day-2_rock_paper_scissors",
-   "day-3_rucksack_reorganization",
+   "day-1",
+   "day-2",
+   "day-3",
+   "day-4",
+   "day-5",
+   # "day-6",
+   # "day-7",
+   # "day-8",
+   # "day-9",
+   # "day-10",
+   # "day-11",
+   # "day-12",
+   # "day-13",
+   # "day-14",
+   # "day-15",
+   # "day-16",
+   # "day-17",
+   # "day-18",
+   # "day-19",
+   # "day-20",
+   # "day-21",
+   # "day-22",
+   # "day-23",
+   # "day-24",
 ]
 
 [profile.release]

2022/day-4/Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name = "camp_cleanup"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+name = "lib"
+path = "src/lib.rs"
+
+[[bin]]
+name = "camp_cleanup"
+path = "src/bin.rs"
+
+
+[dependencies]
+common = {path = "../common/"}
+
+clap = {version = "4.0.22", features = ["derive"]}
+tracing = "0.1"
+tracing-subscriber = {version = "0.3.16", features = ["env-filter"]}

2022/day-4/src/bin.rs

@@ -0,0 +1,17 @@
+use common::cli::Cli;
+use common::read_file;
+use lib::{task_a, task_b};
+use tracing::debug;
+
+use clap::Parser;
+
+pub fn main() {
+    tracing_subscriber::fmt::init();
+
+    let args = Cli::parse();
+    debug!("Args: {:?}", args);
+
+    let content = read_file(&args.input).unwrap();
+    println!("Result (a): {}", task_a(&content));
+    println!("Result (b): {}", task_b(&content));
+}

2022/day-4/src/lib.rs

@@ -0,0 +1,52 @@
+fn boundries(line: &str) -> Vec<Vec<u64>> {
+    line.split(',')
+        .map(|s| s.split('-').map(|t| t.parse().unwrap()).collect())
+        .collect::<Vec<Vec<u64>>>()
+}
+
+pub fn task_a(input: &str) -> u64 {
+    let result = input
+        .trim()
+        .lines()
+        .map(boundries)
+        .filter(|r| {
+            (r[0][0] >= r[1][0] && r[0][1] <= r[1][1]) || (r[1][0] >= r[0][0] && r[1][1] <= r[0][1])
+        })
+        .count();
+    (result as u16).into()
+}
+
+pub fn task_b(input: &str) -> u64 {
+    let result = input
+        .trim()
+        .lines()
+        .map(boundries)
+        .filter(|r| {
+            println!("{:?}", r[0].clone().min(r[1].clone()));
+            println!("{:?}", r[0].clone().max(r[1].clone()));
+            true
+        })
+        .count();
+    (result as u16).into()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    const TEST_INPUT: &str = "2-4,6-8\n2-3,4-5\n5-7,7-9\n2-8,3-7\n6-6,4-6\n2-6,4-8";
+
+    #[test]
+    fn test_task_a() {
+        let result = task_a(TEST_INPUT);
+        let expected = 2;
+        assert_eq!(result, expected);
+    }
+
+    #[test]
+    fn test_task_b() {
+        let result = task_b(TEST_INPUT);
+        let expected = 2;
+        assert_eq!(result, expected);
+    }
+}

2022/day-5/Cargo.toml

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

2022/day-5/src/lib.rs

@@ -0,0 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}