Submission #3377695


Source Code Expand

using System;
using System.Linq;//リストの使用
using System.Collections.Generic;
class Program
{
	static void Main()
	{
		long n = long.Parse(Console.ReadLine());//int.Parseは文字列を整数に変換。
    long[][] nums = new long[2*n][];//座標と種類
    long memo = 0;
    long answer = 1;
    long mod = 1000000007;
    for(long i = 0; i < n; i++)
    {
      nums[i] = new long[2];
      nums[i][0] = long.Parse(Console.ReadLine());
      nums[i][1] = 0;
    }
    for(long i = n; i < 2*n; i++)
    {
      nums[i] = new long[2];
      nums[i][0] = long.Parse(Console.ReadLine());
      nums[i][1] = 1;
    }
    Array.Sort(nums, (a, b) => a[0].CompareTo(b[0]));
    for(long i = 0; i < 2*n; i++)
    {
      if(nums[i][1] == 0)
      {
        memo++;
        if(memo > 1) answer *= Math.Abs(memo);
        answer %= mod;
      }
      else
      {
        memo--;
        if(memo < -1) answer *= Math.Abs(memo);
        answer %= mod;
      }
      //Console.WriteLine(answer);
    }
    
		Console.WriteLine(answer);//WriteLineをWriteとすると、改行なしで出力。
	}
  
}

Submission Info

Submission Time
Task A - 1D Matching
User suikameron
Language C# (Mono 4.6.2.0)
Score 500
Code Size 1151 Byte
Status AC
Exec Time 215 ms
Memory 25424 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 500 / 500
Status
AC × 2
AC × 14
Set Name Test Cases
Sample example0.txt, example1.txt
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, example0.txt, example1.txt
Case Name Status Exec Time Memory
000.txt AC 129 ms 20440 KB
001.txt AC 56 ms 13408 KB
002.txt AC 75 ms 19804 KB
003.txt AC 81 ms 17760 KB
004.txt AC 183 ms 22996 KB
005.txt AC 215 ms 25424 KB
006.txt AC 214 ms 23376 KB
007.txt AC 209 ms 23376 KB
008.txt AC 206 ms 25424 KB
009.txt AC 206 ms 25424 KB
010.txt AC 208 ms 25424 KB
011.txt AC 205 ms 25424 KB
example0.txt AC 21 ms 11220 KB
example1.txt AC 21 ms 11220 KB