Add 2022/01

2022/src/bin/day01.rs

@@ -0,0 +1,44 @@
+#![feature(test)]
+extern crate test;
+use aoc2022::{boilerplate, common::*};
+
+const DAY: usize = 01;
+type Parsed = Vec<usize>;
+
+fn parse_input(raw: &str) -> Parsed {
+    raw.split("\n\n").map(|elf| elf.lines().map(parse_num::<usize>).sum()).collect()
+}
+
+fn part1(parsed: &Parsed) -> usize {
+    *parsed.iter().max().unwrap_or(&0)
+}
+
+fn part2(parsed: &Parsed) -> usize {
+    let mut sorted: Vec<_> = parsed.clone();
+    sorted.sort();
+    sorted.iter().rev().take(3).sum()
+}
+
+boilerplate! {
+    TEST_INPUT == "1000
+2000
+3000
+
+4000
+
+5000
+6000
+
+7000
+8000
+9000
+
+10000",
+    tests: {
+        part1: { TEST_INPUT => 24000 },
+        part2: { TEST_INPUT => 45000 },
+    },
+    bench1 == 72017,
+    bench2 == 212520,
+    bench_parse: Vec::len => 242,
+}