3

day3/src/main.rs

@@ -0,0 +1,53 @@
+use std::fs;
+
+fn calc(input: Vec<&str>) {
+    let mut vec: Vec<_> = [].to_vec();
+    let mut score: i32 = 0;
+    let strinj = Vec::from(('a'..='z').chain('A'..='Z').collect::<Vec<char>>());
+
+    for i in input.iter() {
+        let string = i.split_at(i.len() / 2);        
+
+        string.0.chars().any(|c| { 
+            if string.1.contains(c) { vec.push(c); };
+            string.1.contains(c)
+        });
+
+    };
+    
+    for i in vec.iter() {
+        score = score + strinj.iter().position(|&r| r == *i).unwrap() as i32 + 1;
+    }
+
+    println!("{:?}", score)
+}
+
+fn badge(input: Vec<&str>) {
+    let strinj = Vec::from(('a'..='z').chain('A'..='Z').collect::<Vec<char>>());
+    let chunked: Vec<_> = input.chunks(3).map(|x| x.to_vec()).collect();
+    let mut vec: Vec<_> = [].to_vec();
+    let mut score: i32 = 0;
+
+    for a in chunked.iter() {
+        
+        a[0].chars().any(|c| {
+
+            if a[1].contains(c) && a[2].contains(c) { vec.push(c); true } else { false }
+        });
+        
+    };
+
+    for i in vec.iter() {
+        score = score + strinj.iter().position(|&r| r == *i).unwrap() as i32 + 1;
+    }
+
+    println!("{:?}", score)
+}
+
+fn main() {
+    let input = fs::read_to_string("input.txt").expect("fuck me sideways");
+    let result: Vec<_> = input.split("\n").collect();
+
+    calc(result.clone());
+    badge(result);
+}