From 428b3da1d911506b35545dc4c406ee549e88f15f Mon Sep 17 00:00:00 2001
From: Codinget <codinget@codi.moe>
Date: Thu, 1 Dec 2022 19:08:18 +0000
Subject: [PATCH] day 1

---
 .gitignore     |  1 +
 d1/.gitignore  |  1 +
 d1/Cargo.lock  |  7 +++++++
 d1/Cargo.toml  |  8 ++++++++
 d1/src/main.rs | 31 +++++++++++++++++++++++++++++++
 5 files changed, 48 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 d1/.gitignore
 create mode 100644 d1/Cargo.lock
 create mode 100644 d1/Cargo.toml
 create mode 100644 d1/src/main.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..06c798b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+input.txt
diff --git a/d1/.gitignore b/d1/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/d1/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/d1/Cargo.lock b/d1/Cargo.lock
new file mode 100644
index 0000000..dda6202
--- /dev/null
+++ b/d1/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "d1"
+version = "0.1.0"
diff --git a/d1/Cargo.toml b/d1/Cargo.toml
new file mode 100644
index 0000000..4fb6a1c
--- /dev/null
+++ b/d1/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "d1"
+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/d1/src/main.rs b/d1/src/main.rs
new file mode 100644
index 0000000..fa1dfec
--- /dev/null
+++ b/d1/src/main.rs
@@ -0,0 +1,31 @@
+use std::fs::read_to_string;
+use std::io::Error;
+
+fn main() -> Result<(), Error> {
+    let mut max = 0;
+    let mut all = Vec::new();
+    let mut current = 0;
+
+    for line in read_to_string("input.txt")?.split("\n") {
+        if line == "" {
+            if current >= max {
+                max = current
+            }
+            all.push(current);
+            current = 0
+        } else {
+            current += line.parse::<u32>().unwrap()
+        }
+    }
+    if current >= max {
+        max = current
+    }
+    all.push(current);
+
+    all.sort_by(|a, b| b.cmp(a));
+
+    println!("part 1: {}", max);
+    println!("part 2: {}", all.iter().take(3).sum::<u32>());
+
+    Ok(())
+}