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author | mhsn <mail@mhsn.net> | 2025-04-29 20:12:53 +0100 |
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committer | mhsn <mail@mhsn.net> | 2025-04-29 20:12:53 +0100 |
commit | c7c9a61b15e876b464bf06bf7bb06f8bfb396ad9 (patch) | |
tree | 5e4b0a09bd293bbcde14f245f1c27b1f1fa0b598 /2024/03/rust/src/main.rs | |
parent | 75419df5eb7ac81cbd8ac631ca71bbbdae18a10a (diff) | |
download | aoc-c7c9a61b15e876b464bf06bf7bb06f8bfb396ad9.tar.gz aoc-c7c9a61b15e876b464bf06bf7bb06f8bfb396ad9.zip |
2024-03 rust p1
Diffstat (limited to '2024/03/rust/src/main.rs')
-rw-r--r-- | 2024/03/rust/src/main.rs | 20 |
1 files changed, 20 insertions, 0 deletions
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::<u64>().unwrap() * y.parse::<u64>().unwrap()) + .sum(); + let gold: u64 = 0; + println!("silver: {silver}"); + println!("gold: {gold}"); + + return Ok(()); +} |