From cf6303a5bc1558ebdb7b467da38f74cd3ac3a9b1 Mon Sep 17 00:00:00 2001
From: Santo Cariotti <santo@dcariotti.me>
Date: Mon, 5 Dec 2022 19:46:06 +0100
Subject: Add 2022

---
 2021/day1/Cargo.toml  |    8 +
 2021/day1/input.txt   | 2000 +++++++++++++++++++++++++++++++++++++++++++++++++
 2021/day1/src/main.rs |   21 +
 3 files changed, 2029 insertions(+)
 create mode 100644 2021/day1/Cargo.toml
 create mode 100644 2021/day1/input.txt
 create mode 100644 2021/day1/src/main.rs

(limited to '2021/day1')

diff --git a/2021/day1/Cargo.toml b/2021/day1/Cargo.toml
new file mode 100644
index 0000000..a3c4e52
--- /dev/null
+++ b/2021/day1/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "day1"
+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/2021/day1/input.txt b/2021/day1/input.txt
new file mode 100644
index 0000000..ad1abff
--- /dev/null
+++ b/2021/day1/input.txt
@@ -0,0 +1,2000 @@
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diff --git a/2021/day1/src/main.rs b/2021/day1/src/main.rs
new file mode 100644
index 0000000..7e18b94
--- /dev/null
+++ b/2021/day1/src/main.rs
@@ -0,0 +1,21 @@
+use std::fs::File;
+use std::io::prelude::*;
+use std::io::BufReader;
+
+fn main() {
+    let file = File::open("input.txt").expect("File not found");
+    let reader = BufReader::new(file);
+    let values: Vec<i32> = reader
+        .lines()
+        .map(|x| x.unwrap().parse::<i32>().unwrap())
+        .collect::<Vec<i32>>();
+    let mut increasing: u16 = 0;
+
+    for index in 1..values.len() {
+        if values[index - 1] < values[index] {
+            increasing += 1;
+        }
+    }
+
+    println!("{}", increasing);
+}
-- 
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