do day 10

2022/input/day_10.txt

@@ -0,0 +1,138 @@
+addx 1
+addx 5
+addx -1
+addx 20
+addx -14
+addx -1
+addx 5
+addx 13
+addx -12
+addx 3
+addx 3
+addx 3
+addx 1
+addx 4
+noop
+noop
+addx 1
+noop
+noop
+addx 4
+noop
+addx -35
+addx 11
+addx -1
+addx -7
+addx 5
+addx 2
+addx 3
+addx -2
+addx 2
+addx 5
+addx 5
+noop
+noop
+addx -2
+addx 2
+noop
+addx 3
+addx 2
+addx 7
+noop
+noop
+addx 3
+addx -2
+addx -36
+noop
+addx 25
+addx -22
+addx 7
+noop
+addx -2
+noop
+noop
+noop
+addx 5
+addx 5
+addx 4
+noop
+addx -2
+addx 5
+addx -4
+addx 5
+addx 4
+noop
+addx -29
+addx 32
+addx -23
+addx -12
+noop
+addx 7
+noop
+addx -2
+addx 4
+addx 3
+addx 20
+addx 3
+addx -20
+addx 5
+addx 16
+addx -15
+addx 6
+noop
+noop
+noop
+addx 5
+noop
+addx 5
+noop
+noop
+noop
+addx -37
+addx 2
+addx -2
+addx 7
+noop
+addx -2
+addx 5
+addx 2
+addx 3
+addx -2
+addx 2
+addx 5
+addx 2
+addx -6
+addx -15
+addx 24
+addx 2
+noop
+addx 3
+addx -8
+addx 15
+addx -14
+addx 15
+addx -38
+noop
+noop
+addx 21
+addx -14
+addx 1
+addx 5
+noop
+addx -2
+addx 7
+addx -1
+addx 5
+noop
+addx 2
+addx 3
+addx 3
+addx -2
+addx 4
+addx 2
+addx -17
+addx 20
+noop
+noop
+noop
+noop

2022/input/day_10_sample.txt

@@ -0,0 +1,146 @@
+addx 15
+addx -11
+addx 6
+addx -3
+addx 5
+addx -1
+addx -8
+addx 13
+addx 4
+noop
+addx -1
+addx 5
+addx -1
+addx 5
+addx -1
+addx 5
+addx -1
+addx 5
+addx -1
+addx -35
+addx 1
+addx 24
+addx -19
+addx 1
+addx 16
+addx -11
+noop
+noop
+addx 21
+addx -15
+noop
+noop
+addx -3
+addx 9
+addx 1
+addx -3
+addx 8
+addx 1
+addx 5
+noop
+noop
+noop
+noop
+noop
+addx -36
+noop
+addx 1
+addx 7
+noop
+noop
+noop
+addx 2
+addx 6
+noop
+noop
+noop
+noop
+noop
+addx 1
+noop
+noop
+addx 7
+addx 1
+noop
+addx -13
+addx 13
+addx 7
+noop
+addx 1
+addx -33
+noop
+noop
+noop
+addx 2
+noop
+noop
+noop
+addx 8
+noop
+addx -1
+addx 2
+addx 1
+noop
+addx 17
+addx -9
+addx 1
+addx 1
+addx -3
+addx 11
+noop
+noop
+addx 1
+noop
+addx 1
+noop
+noop
+addx -13
+addx -19
+addx 1
+addx 3
+addx 26
+addx -30
+addx 12
+addx -1
+addx 3
+addx 1
+noop
+noop
+noop
+addx -9
+addx 18
+addx 1
+addx 2
+noop
+noop
+addx 9
+noop
+noop
+noop
+addx -1
+addx 2
+addx -37
+addx 1
+addx 3
+noop
+addx 15
+addx -21
+addx 22
+addx -6
+addx 1
+noop
+addx 2
+addx 1
+noop
+addx -10
+noop
+noop
+addx 20
+addx 1
+addx 2
+addx 2
+addx -6
+addx -11
+noop
+noop
+noop

2022/src/day_10.rs

@@ -0,0 +1,112 @@
+use Instruction::*;
+#[derive(Clone, Copy)]
+enum Instruction {
+    Addx(i32),
+    Noop,
+}
+type Data = Vec<Instruction>;
+type Output = i32;
+fn parse(input: &str) -> Data {
+    input
+        .lines()
+        .map(|line| {
+            if line.starts_with("addx") {
+                let (_addx, num) = line.split_once(' ').unwrap();
+                Addx(num.parse().unwrap())
+            } else {
+                Noop
+            }
+        })
+        .collect()
+}
+fn part_one(data: Data) -> Output {
+    let mut r_x = 1;
+    let mut instr_iter = data.iter();
+    let mut cycles_left = 0;
+    let mut last_instr = Noop;
+    let mut sum = 0;
+    for cycle in 1.. {
+        if cycles_left == 0 {
+            match last_instr {
+                Noop => {}
+                Addx(num) => {
+                    r_x += num;
+                }
+            }
+            last_instr = match instr_iter.next() {
+                Some(instr) => *instr,
+                _ => break,
+            };
+            cycles_left = match last_instr {
+                Addx(_) => 2,
+                Noop => 1,
+            }
+        }
+        if (cycle - 20) % 40 == 0 {
+            sum += r_x * cycle;
+        }
+        cycles_left -= 1;
+    }
+    sum
+}
+fn part_two(data: Data) -> String {
+    let mut r_x = 1;
+    let mut instr_iter = data.iter();
+    let mut cycles_left = 0;
+    let mut last_instr = Noop;
+    let mut output = vec![];
+    for cycle in 0.. {
+        if cycles_left == 0 {
+            match last_instr {
+                Noop => {}
+                Addx(num) => {
+                    r_x += num;
+                }
+            }
+            last_instr = match instr_iter.next() {
+                Some(instr) => *instr,
+                _ => break,
+            };
+            cycles_left = match last_instr {
+                Addx(_) => 2,
+                Noop => 1,
+            }
+        }
+        let i: i32 = cycle % 40;
+        if i == 0 {
+            output.push("".to_string());
+        }
+        if i.abs_diff(r_x) <= 1 {
+            *output.last_mut().unwrap() += "#";
+        } else {
+            *output.last_mut().unwrap() += ".";
+        }
+        cycles_left -= 1;
+    }
+    output.join("\n")
+}
+
+advent_of_code_macro::generate_tests!(
+    day 10,
+    parse,
+    part_one,
+    part_two,
+    sample tests [
+        13140,
+"##..##..##..##..##..##..##..##..##..##..
+###...###...###...###...###...###...###.
+####....####....####....####....####....
+#####.....#####.....#####.....#####.....
+######......######......######......####
+#######.......#######.......#######....."
+    ],
+    star tests [
+        17380,
+"####..##...##..#..#.####.###..####..##..
+#....#..#.#..#.#..#....#.#..#.#....#..#.
+###..#....#....#..#...#..#..#.###..#....
+#....#.##.#....#..#..#...###..#....#....
+#....#..#.#..#.#..#.#....#.#..#....#..#.
+#.....###..##...##..####.#..#.####..##.."
+    ]
+);