Day 1 part 2

day-1/src/main.rs

@@ -47,7 +47,29 @@ fn part_1() {
     println!("{}", counter);
 }
 
+fn part_2() {
+    let input = parse_input();
+    let mut dial = 50;
+
+    let mut counter = 0;
+    for (dir, steps) in input {
+        for _ in 0..steps {
+            dial += match dir {
+                Direction::LEFT => -1,
+                Direction::RIGHT => 1,
+            };
+            dial = dial % 100;
+            if dial == 0 {
+                counter += 1;
+            }
+        }
+    }
+    println!("{}", counter);
+}
+
 fn main() {
     println!("Part 1:");
     part_1();
+    println!("Part 2:");
+    part_2();
 }