Submission #216003

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Source Code Expand

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

class Program
{
    static void Main(string[] args)
    {
        bool[] check = new bool[24 * 12 + 2];

        int N = int.Parse(Console.ReadLine());

        foreach (int i in Enumerable.Range(0, N))
        {
            var time = Console.ReadLine().Split('-').Select(int.Parse);

            int start = time.First();
            start = start / 100 * 12 + start % 100 / 5;

            int end = time.Last();
            end = end / 100 * 12 + (end % 100 + 4) / 5;

            for (int j = start; j < end; j++)
                check[j] = true;
        }

        bool rain = false;

        foreach (int i in Enumerable.Range(0, 24 * 12 + 1))
        {
            if (!rain && check[i])
            {
                Console.Write((i / 12 * 100 + i % 12 * 5).ToString("0000") + "-");
                rain = true;
            }
            
            if (rain && !check[i + 1])
            {
                Console.WriteLine(((i + 1) / 12 * 100 + (i + 1) % 12 * 5).ToString("0000"));
                rain = false;
            }
        }
    }
}

Submission Info

Judge Result