init

problems/p22/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "p22"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

problems/p22/src/main.rs

@@ -0,0 +1,23 @@
+use std::fs::File;
+use std::io::{BufRead, BufReader};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let file = File::open("problems/p22/p022_names.txt")?;
+    let mut reader = BufReader::new(file);
+    let mut line = String::new();
+    reader.read_line(&mut line)?;
+    let cleaned_line = line.replace("\"", "");
+    let mut names: Vec<&str> = cleaned_line.split(',').collect();
+    names.sort();
+    let mut sum = 0;
+    for (idx, name) in names.iter().enumerate() {
+        let alpha_score: u32 = name
+            .chars()
+            .filter(|c| c.is_ascii_alphabetic())
+            .map(|c| c.to_ascii_lowercase() as u32 - 96)
+            .sum();
+        sum += alpha_score * (idx as u32 + 1);
+    }
+    println!("{sum}");
+    Ok(())
+}