27 lines
910 B
Rust
27 lines
910 B
Rust
use std::str::FromStr;
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pub fn run(input: &str) {
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let mut first = Vec::<i64>::new();
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let mut second = Vec::<i64>::new();
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for line in input.split('\n') {
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if let Some((first_part, second_part)) = line.split_once(" ") {
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match i64::from_str(first_part) {
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Ok(n) => first.push(n),
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Err(err) => {
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eprintln!("Failed to parse first number from {}: {}", first_part, err);
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}
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}
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match i64::from_str(second_part) {
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Ok(n) => second.push(n),
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Err(err) => {
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eprintln!("Failed to parse second number from {}: {}", second_part, err);
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}
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}
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}
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}
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first.sort();
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second.sort();
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let sum = first.iter().zip(second.iter()).map(|(a, b)| a.abs_diff(*b)).sum::<u64>();
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println!("Total difference: {}", sum);
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} |