35 lines
818 B
Rust
35 lines
818 B
Rust
use std::error::Error;
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use std::fs;
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fn main() -> Result<(), Box<dyn Error>> {
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let file_str = fs::read_to_string("input.txt")?;
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let mut elves: Vec<Vec<u32>> = Vec::new();
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let mut totals: Vec<u32> = Vec::new();
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for raw_elf in file_str.split("\n\n") {
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let elf: Vec<u32> = raw_elf.split('\n')
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.filter(|value| value.len() > 0)
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.map(move |value| {
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value.parse::<u32>().unwrap()
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})
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.collect();
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let sum = elf
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.clone()
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.into_iter()
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.reduce(|accum, item| accum + item)
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.unwrap();
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elves.push(elf);
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totals.push(sum);
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}
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let most = totals.iter().max().unwrap();
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println!("{:?}{:?}", elves, totals);
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println!("Max calories: {}", most);
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Ok(())
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}
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