Day 10

1 files changed, 23 insertions, 0 deletions

diff --git a/2022/10/a.rs b/2022/10/a.rs
new file mode 100644
index 0000000..cdab283
--- /dev/null
+++ b/2022/10/a.rs
@@ -0,0 +1,23 @@
+mod common;
+use common::*;
+
+fn main() {
+    let mut x: i64 = 1;
+    let mut cycles: usize = 0;
+    let mut step: usize = 20;
+    let mut score: i64 = 0;
+    let mut line = String::new();
+    while std::io::stdin().read_line(&mut line).unwrap() > 0 {
+        let oldx = x;
+        match read_instruction(&line) {
+            Instruction::Add(n) => { x += n; cycles += 2; },
+            Instruction::Noop => { cycles += 1; }
+        }
+        if cycles >= step {
+            score += oldx * (step as i64);
+            step += 40;
+        }
+        line.clear();
+    }
+    println!("{score}");
+}