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Collect into vec for nicer vectorization

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Bert Peters
2022-12-02 09:52:09 +01:00
parent 256d351f8e
commit 30d1a16075
1 changed files with 2 additions and 7 deletions
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9
2022/src/day01.rs
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@@ -2,7 +2,6 @@ use std::ops::Add;
use anyhow::Result;
use nom::character::complete::newline;
use nom::combinator::opt;
use nom::multi::separated_list0;
use nom::sequence::terminated;
use nom::IResult;
@@ -14,13 +13,9 @@ fn parse_elf(input: &[u8]) -> IResult<&[u8], i32> {
reduce_many1(terminated(nom::character::complete::i32, newline), Add::add)(input)
}
fn parse_max(input: &[u8]) -> IResult<&[u8], i32> {
reduce_many1(terminated(parse_elf, opt(newline)), Ord::max)(input)
}
pub fn part1(input: &[u8]) -> Result<String> {
let result = parse_input(input, parse_max)?.to_string();
Ok(result)
let elves = parse_input(input, parse_elf_list)?;
Ok(elves.into_iter().fold(0, Ord::max).to_string())
}
fn parse_elf_list(input: &[u8]) -> IResult<&[u8], Vec<i32>> {