Submission #2332855

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Source Code Expand

use std::io;
use std::io::Write;

fn main() {
    let out = io::stdout();
    let mut out = out.lock();
    let mut n = String::new();

    io::stdin().read_line(&mut n).unwrap();
    let n = n.trim().parse::<u32>().unwrap();

    let mut ruler: Vec<(i32, i32)> = Vec::with_capacity(n as usize * 2);

    for _i in 0..n {
        let mut s = String::new();
        io::stdin().read_line(&mut s).unwrap();
        let v: Vec<&str> = s.trim().split('-').collect();

        let s_i = v[0].parse::<i32>().unwrap() / 5 * 5;
        ruler.push((s_i, -1));

        let e_i = (v[1].parse::<i32>().unwrap() + 4) / 5 * 5;
        ruler.push((e_i + if (e_i % 100) < 60 { 0 } else { 40 }, 1));
    }
    ruler.sort();
    let mut cur = 0;
    for (time, inc) in ruler {
        if cur == 0 {
            write!(out, "{:04}-", time).unwrap();
        }
        cur += inc;

        if cur == 0 {
            write!(out, "{:04}\n", time).unwrap();
        }
    }
}

Submission Info

Judge Result