use md5::{Digest, Md5};
use std::{
    fs::File,
    io::{BufWriter, Write},
};

fn main() -> std::io::Result<()> {
    let file = File::create("./hashes.txt")?;
    let mut writer = BufWriter::new(file);
    for i in 0u32..=std::u32::MAX {
        let mut hasher = Md5::new();
        // let mut out = [0; 16];
        hasher.update(i.to_le_bytes());
        let out = hasher.finalize();
        writeln!(writer, "{:02x}", out[out.len() - 1])?;
        if i % 100_000 == 0 {
            println!("{i}");
        }
    }
    Ok(())
}