From c7c9a61b15e876b464bf06bf7bb06f8bfb396ad9 Mon Sep 17 00:00:00 2001 From: mhsn Date: Tue, 29 Apr 2025 20:12:53 +0100 Subject: 2024-03 rust p1 --- 2024/03/rust/src/main.rs | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 2024/03/rust/src/main.rs (limited to '2024/03/rust/src/main.rs') diff --git a/2024/03/rust/src/main.rs b/2024/03/rust/src/main.rs new file mode 100644 index 0000000..6ea29b3 --- /dev/null +++ b/2024/03/rust/src/main.rs @@ -0,0 +1,20 @@ +use regex::Regex; +use std::io::{self, Read}; + +fn main() -> io::Result<()> { + let mut program = String::new(); + io::stdin().read_to_string(&mut program)?; + + let re = Regex::new(r"mul\((\d{1,3}),(\d{1,3})\)").unwrap(); + + let silver: u64 = re + .captures_iter(&program) + .map(|c| c.extract()) + .map(|(_, [x, y])| x.parse::().unwrap() * y.parse::().unwrap()) + .sum(); + let gold: u64 = 0; + println!("silver: {silver}"); + println!("gold: {gold}"); + + return Ok(()); +} -- cgit v1.2.3