Day 10, puzzle 1

src/bin/d10p1.rs

@@ -0,0 +1,16 @@
+use aoc22::{day10, util};
+
+pub fn main() {
+    let instructions = day10::parse_instructions(&util::parse_input());
+    let mut cpu = day10::CPU::new(instructions);
+
+    let mut sum = 0;
+    for _ in 0..221 {
+        if (cpu.cycle - (20 - 1)) % 40 == 0 {
+            sum += cpu.signal_strength();
+        }
+        cpu.do_cycle().expect("No more instructions?");
+    }
+
+    println!("Sum of 20 + 40n cycles: {}", sum);
+}