Submission #3784484

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Source Code Expand

using System;

class Program
{
    static void Main()
    {
        int n = int.Parse(Console.ReadLine());
        int[] d = new int[n];
        for (int i = 0; i < n; i++)
            d[i] = int.Parse(Console.ReadLine());
        for (int i = 0; i < n; i++)
        {
            for (int j = i + 1; j < n; j++)
            {
                if (d[i] == d[j]) d[j] = 0;
            }
        }
        int ans = 0;
        for (int i = 0; i < n; i++)
        {
            if (d[i] != 0) ans++;
        }
        Console.WriteLine(ans);
    }
}

Submission Info

Judge Result