day 1

5 files changed, 1128 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 37cbdd2..82b1334 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,3 +29,7 @@ harness = false
 [[bench]]
 name = "2022"
 harness = false
+
+[[bench]]
+name = "2023"
+harness = false
diff --git a/benches/2023.rs b/benches/2023.rs
new file mode 100644
index 0000000..08d709a
--- /dev/null
+++ b/benches/2023.rs
@@ -0,0 +1,25 @@
+#[macro_use]
+mod helpers;
+
+#[path = "../src/bin/2023/day1.rs"]
+mod day1;
+// NEXT MOD
+
+day!(2023, 1, day1);
+// NEXT DAY
+
+fn bench_2023(c: &mut criterion::Criterion) {
+    c.bench_function("2023", |b| {
+        b.iter(|| {
+            day_combined!(2023, 1, day1);
+            // NEXT DAY COMBINED
+        })
+    });
+}
+criterion::criterion_group!(benches_2023, bench_2023);
+
+criterion::criterion_main!(
+    benches_2023,
+    bench_2023day1,
+    // NEXT GROUP
+);
diff --git a/data/2023/1.txt b/data/2023/1.txt
new file mode 100644
index 0000000..a67973d
--- /dev/null
+++ b/data/2023/1.txt
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diff --git a/src/bin/2023/day1.rs b/src/bin/2023/day1.rs
new file mode 100644
index 0000000..af98533
--- /dev/null
+++ b/src/bin/2023/day1.rs
@@ -0,0 +1,73 @@
+#![allow(dead_code)]
+#![allow(unused_variables)]
+
+use advent_of_code::prelude::*;
+
+const NUMBERS: [&str; 10] = [
+    "zero", "one", "two", "three", "four", "five", "six", "seven", "eight",
+    "nine",
+];
+
+pub fn parse(fh: File) -> Result<impl Iterator<Item = String>> {
+    Ok(parse::lines(fh))
+}
+
+pub fn part1(lines: impl Iterator<Item = String>) -> Result<i64> {
+    let mut total = 0;
+    for line in lines {
+        let first = line.chars().find(char::is_ascii_digit).unwrap();
+        let last = line.chars().rev().find(char::is_ascii_digit).unwrap();
+        let val: i64 = format!("{}{}", first, last).parse().unwrap();
+        total += val;
+    }
+    Ok(total)
+}
+
+pub fn part2(lines: impl Iterator<Item = String>) -> Result<i64> {
+    let mut total = 0;
+    for line in lines {
+        let mut first = 0;
+        let mut last = 0;
+        'c: for idx in 0..line.len() {
+            let c = line.chars().nth(idx).unwrap();
+            if char::is_numeric(c) {
+                first = i64::from(u32::from(c) - u32::from('0'));
+                break 'c;
+            }
+            for (i, n) in NUMBERS.iter().enumerate() {
+                if line[idx..].starts_with(n) {
+                    first = i64::try_from(i).unwrap();
+                    break 'c;
+                }
+            }
+        }
+        'c: for idx in (0..line.len()).rev() {
+            let c = line.chars().nth(idx).unwrap();
+            if char::is_numeric(c) {
+                last = i64::from(u32::from(c) - u32::from('0'));
+                break 'c;
+            }
+            for (i, n) in NUMBERS.iter().enumerate() {
+                if line[..=idx].ends_with(n) {
+                    last = i64::try_from(i).unwrap();
+                    break 'c;
+                }
+            }
+        }
+        let val: i64 = format!("{}{}", first, last).parse().unwrap();
+        total += val;
+    }
+    Ok(total)
+}
+
+#[test]
+fn test() {
+    assert_eq!(
+        part1(parse(parse::data(2023, 1).unwrap()).unwrap()).unwrap(),
+        54927
+    );
+    assert_eq!(
+        part2(parse(parse::data(2023, 1).unwrap()).unwrap()).unwrap(),
+        54581
+    );
+}
diff --git a/src/bin/2023/main.rs b/src/bin/2023/main.rs
new file mode 100644
index 0000000..01e0de3
--- /dev/null
+++ b/src/bin/2023/main.rs
@@ -0,0 +1,26 @@
+#![allow(clippy::cognitive_complexity)]
+#![allow(clippy::missing_const_for_fn)]
+#![allow(clippy::similar_names)]
+#![allow(clippy::struct_excessive_bools)]
+#![allow(clippy::too_many_arguments)]
+#![allow(clippy::too_many_lines)]
+#![allow(clippy::type_complexity)]
+#![allow(clippy::collapsible_else_if)]
+#![allow(clippy::collapsible_if)]
+#![allow(clippy::comparison_chain)]
+
+use advent_of_code::prelude::*;
+
+mod day1;
+// NEXT MOD
+
+#[paw::main]
+fn main(opt: Opt) -> Result<()> {
+    #[allow(clippy::match_single_binding)]
+    match opt.day {
+        1 => advent_of_code::day!(2023, opt.day, opt.puzzle, day1),
+        // NEXT PART
+        _ => panic!("unknown day {}", opt.day),
+    }
+    Ok(())
+}