Submission #1880855

---

Source Code Expand

using System;
using System.Linq;

namespace code_festival_2017_qualb_b
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int[] x = Console.ReadLine().Split().Select(int.Parse).ToArray();
            int m = int.Parse(Console.ReadLine());
            int[] y = Console.ReadLine().Split().Select(int.Parse).ToArray();
            int[] problems = new int[Math.Max(x.Max(),y.Max()) + 1];
            for (int i = 0; i < n; i++)
            {
                problems[x[i]]++;
            }
            for (int i = 0; i < m; i++)
            {
                problems[y[i]]--;
            }
            bool ret = true;
            for (int i = 0; i < problems.Count(); i++)
            {
                if (problems[i] < 0) ret = false;
            }
            Console.WriteLine(ret ? "YES" : "NO");
        }
    }
}

Submission Info

Judge Result