35 lines
1003 B
Rust
35 lines
1003 B
Rust
use std::fs;
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#[allow(dead_code)]
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pub fn solve() {
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let file = fs::read_to_string("src/day5/input.txt").expect("You didn't provide input.txt.");
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let mut reading_ranges = true;
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let mut fresh_products = vec![];
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let mut ranges = vec![];
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for line in file.lines() {
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if line.is_empty() {
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reading_ranges = false;
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continue;
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}
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if reading_ranges {
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let mut parts = line.split("-");
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let start = parts.next().unwrap().parse::<usize>().unwrap();
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let end = parts.next().unwrap().parse::<usize>().unwrap();
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let range = start..=end;
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ranges.push(range);
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} else {
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let value = line.parse::<usize>().unwrap();
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for range in &ranges {
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if range.contains(&value) {
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fresh_products.push(value);
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break;
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}
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}
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}
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}
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println!("Fresh products: {:?}", fresh_products.len());
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}
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