2022 day 1. Learning rust!
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2022/day01/src/main.rs
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26
2022/day01/src/main.rs
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use std::io;
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use std::io::prelude::*;
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use std::fs::File;
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fn read_lines(filename: &str) -> io::Result<io::Lines<io::BufReader<File>>> {
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let file = File::open(filename)?;
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Ok(io::BufReader::new(file).lines())
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}
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fn main() {
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let mut max = 0;
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let mut current = 0;
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for line in read_lines("input.txt").unwrap() {
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let text = line.unwrap();
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current = match text.parse::<i32>() {
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Ok(value) => current + value,
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Err(_) => {
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if current > max { max = current; }
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0
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},
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};
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}
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println!("{}", max);
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}
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