Submission #2025557

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Source Code Expand

use std::io;

fn main() {
    let mut buf: String = String::new();
    io::stdin().read_line(&mut buf).unwrap();
    let n = buf.trim().parse::<i32>().unwrap();
    let mut w: [bool; 288] = [false; 288];
    for _ in 0..n {
        let mut buf: String = String::new();
        io::stdin().read_line(&mut buf).unwrap();
        let mut iter = buf.trim().split('-');
        let start_time = iter.next().unwrap().parse::<i32>().unwrap();
        let end_time = iter.next().unwrap().parse::<i32>().unwrap();
        let start_idx = start_time / 100 * 12 + (start_time % 100) / 5;
        let end_idx = end_time / 100 * 12 + (end_time % 100) / 5 - if end_time % 5 == 0 {
            1
        } else { 0 };
        for i in start_idx..(end_idx + 1) {
            w[i as usize] = true;
        }
    }
    let mut flg: bool = false;
    for i in 0..288 {
        if w[i] && !flg {
            let hh = i / 12;
            let mm = (i % 12) * 5;
            print!("{:02}{:02}-", if mm == 60 { hh + 1 } else { hh },
                   if mm == 60 { 0 } else { mm });
            flg = true;
        } else if !w[i] && flg {
            let hh = i / 12;
            let mm = (i % 12) * 5;
            println!("{:02}{:02}", if mm == 60 { hh + 1 } else { hh },
                     if mm == 60 { 0 } else { mm });
            flg = false;
        }
    }
    if flg { println!("2400"); }
}

Submission Info

Judge Result