46 lines
763 B
Rust
46 lines
763 B
Rust
#![feature(binary_heap_into_iter_sorted, test)]
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extern crate test;
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use std::collections::BinaryHeap;
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use aoc2022::{boilerplate, common::*};
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const DAY: usize = 1;
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type Parsed = BinaryHeap<usize>;
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fn parse_input(raw: &str) -> Parsed {
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raw.split("\n\n").map(|elf| elf.lines().map(parse_num::<usize>).sum()).collect()
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}
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fn part1(parsed: &Parsed) -> usize {
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*parsed.peek().unwrap()
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}
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fn part2(parsed: &Parsed) -> usize {
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parsed.clone().into_iter_sorted().take(3).sum()
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}
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boilerplate! {
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TEST_INPUT == "\
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1000
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2000
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3000
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4000
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5000
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6000
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7000
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8000
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9000
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10000",
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tests: {
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part1: { TEST_INPUT => 24000 },
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part2: { TEST_INPUT => 45000 },
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},
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bench1 == 72017,
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bench2 == 212520,
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bench_parse: BinaryHeap::len => 242,
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}
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