Submission #1367344

---

Source Code Expand

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

namespace agc_003__b
{
    class Program
    {
        static void Main(string[] args)
        {
            long n = long.Parse(Console.ReadLine());
            long[] a = new long[n];
            long ans = 0;
            for (long i = 0; i < n; i++)
            {
                a[i] = long.Parse(Console.ReadLine());
                ans += a[i] / 2;
                a[i] = a[i] % 2;
            }
            for(long i = 0; i < n - 1; i++)
            {
                if (a[i] == 1 && a[i + 1] == 1) { ans++;a[i] = 0;a[i + 1] = 0; }

            }Console.WriteLine(ans);Console.ReadLine();

        }
    }
}

Submission Info

Judge Result