day04/Cargo.lock

@@ -1,7 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 3
-
-[[package]]
-name = "day04"
-version = "0.1.0"

day04/Cargo.toml

@@ -1,8 +0,0 @@
-[package]
-name = "day04"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]

day04/src/main.rs

@@ -1,25 +0,0 @@
-use std::error;
-use std::fs::File;
-use std::io::BufRead;
-use std::io::BufReader;
-use std::ops;
-
-fn main() -> Result<(), Box<dyn error::Error>> {
-	let f = File::open("input.txt")?;
-	let reader = BufReader::new(f);
-
-	let mut count: u32 = 0;
-	for line in reader.lines() {
-		let line = line?;
-		let range_strs = line.split(",").collect::<Vec<&str>>();
-		let range_a_u32 = range_strs[0].split("-").map(|x| x.parse::<u32>().unwrap()).collect::<Vec<u32>>();
-		let range_a = ops::Range { start: range_a_u32[0], end: range_a_u32[1] + 1 };
-		let range_b_u32 = range_strs[1].split("-").map(|x| x.parse::<u32>().unwrap()).collect::<Vec<u32>>();
-		let range_b = ops::Range { start: range_b_u32[0], end: range_b_u32[1] + 1 };
-		if range_a.contains(&range_b.start) || range_a.contains(&(range_b.end - 1)) || range_b.contains(&range_a.start) || range_b.contains(&(range_a.end - 1)) {
-			count += 1;
-		}
-	}
-	println!("Found {} overlapping ranges.", count);
-    Ok(())
-}