Submission #830723

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Source Code Expand

using System;
using System.Linq;

public class Program
{
	public static void Main()
	{
		int[] rain = new int[512];
		for (int i = 0; i < 512; i++)
		{
			rain[i] = 0;
		}
		int n = int.Parse(Console.ReadLine());
		for (int i = 0; i < n; i++)
		{
			int[] time = Console.ReadLine().Split('-')
				.Select(value => int.Parse(value)).ToArray();
			int start
				= (int)Math.Floor(time[0] / 100 * 12 + time[0] % 100 / 5.0);
			int end
				= (int)Math.Ceiling(time[1] / 100 * 12 + time[1] % 100 / 5.0);
			rain[start]++;
			rain[end]--;
		}
		int x = 0;
		bool isRain = false;
		for (int i = 0; i < 24; i++)
		{
			for (int j = 0; j < 12; j++)
			{
				x += rain[i * 12 + j];
				if (isRain)
				{
					if (x <= 0)
					{
						Console.WriteLine("-{0:00}{1:00}", i, j * 5);
						isRain = false;
					}
				}
				else
				{
					if (x > 0)
					{
						Console.Write("{0:00}{1:00}", i, j * 5);
						isRain = true;
					}
				}
			}
		}
		if (isRain)
		{
			Console.WriteLine("-2400");
		}
	}
}

Submission Info

Judge Result