Submission #2559928

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Source Code Expand

using System;

class Program
{
    static void Main()
    {
        var nm = Array.ConvertAll(Console.ReadLine().Split(), long.Parse);
        long ans = 0;
        if (nm[0] <= nm[1] * 2)
        {
            ans = nm[0];
            nm[1] -= nm[0] * 2;
            ans += nm[1] > 0 ? nm[1] / 4 : (long)Math.Floor((double)nm[1] / 2);
        }
        else ans = nm[1] / 2;
        Console.WriteLine(ans);
    }
}

Submission Info

Judge Result