From fa26f694d8cf98272763952a698301ee9935c19e Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Thu, 26 Jun 2025 09:47:23 +0200
Subject: Added 2022, first few problems

---
 2022/01/a.rs      |  8 ++++++++
 2022/01/b.rs      |  9 +++++++++
 2022/01/common.rs | 18 ++++++++++++++++++
 3 files changed, 35 insertions(+)
 create mode 100644 2022/01/a.rs
 create mode 100644 2022/01/b.rs
 create mode 100644 2022/01/common.rs

(limited to '2022/01')

diff --git a/2022/01/a.rs b/2022/01/a.rs
new file mode 100644
index 0000000..77e57e4
--- /dev/null
+++ b/2022/01/a.rs
@@ -0,0 +1,8 @@
+mod common;
+use common::*;
+
+fn main() {
+    let e = get_elves_from_stdin();
+    let m: i64 = e.iter().map(|a| a.iter().sum()).max().unwrap();
+    println!("{m}");
+}
diff --git a/2022/01/b.rs b/2022/01/b.rs
new file mode 100644
index 0000000..ca0b324
--- /dev/null
+++ b/2022/01/b.rs
@@ -0,0 +1,9 @@
+mod common;
+use common::*;
+
+fn main() {
+    let e = get_elves_from_stdin();
+    let mut w = e.iter().map(|a| a.iter().sum()).collect::<Vec<i64>>();
+    w.sort_by(|a, b| b.cmp(a));
+    println!("{}", w[0] + w[1] + w[2]);
+}
diff --git a/2022/01/common.rs b/2022/01/common.rs
new file mode 100644
index 0000000..8ed8b49
--- /dev/null
+++ b/2022/01/common.rs
@@ -0,0 +1,18 @@
+pub fn get_elves_from_stdin() -> Vec<Vec<i64>> {
+    let mut e = Vec::<Vec::<i64>>::new();
+    e.push(Vec::<i64>::new());
+    let mut line = String::new();
+    loop {
+        match std::io::stdin().read_line(&mut line).unwrap() {
+            0 => break,
+            1 => e.push(Vec::<i64>::new()),
+            _ => {
+                let n = line.trim().parse::<i64>().unwrap();
+                let last = e.len() - 1;
+                e[last].push(n);
+            }
+        }
+        line.clear();
+    }
+    e
+}
-- 
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