Stefan Müller
32 lines
880 B
Rust
32 lines
880 B
Rust
use crate::common::interval::MultiInterval;
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use crate::solvers::Solver;
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use std::io::BufRead;
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pub struct Cafeteria {}
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impl Solver for Cafeteria {
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const PUZZLE_INDEX: u8 = 5;
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const PUZZLE_NAME: &'static str = "Cafeteria";
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fn process_data<R: BufRead>(&self, mut reader: R) -> (u64, u64) {
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// Builds intervals collection.
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let mut intervals = MultiInterval::new();
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for line in reader
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.by_ref()
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.lines()
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.map_while(|x| x.ok().filter(|s| !s.is_empty()))
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{
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intervals.add(line.parse().unwrap());
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}
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// Tests values against intervals.
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let fresh_count = reader
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.lines()
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.map_while(|x| x.ok()?.parse::<u64>().ok())
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.filter(|&value| intervals.contains(value))
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.count() as u64;
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(fresh_count, intervals.len())
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}
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}
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