using System;
using System.Collections.Generic;

public class Test
{
    const int N=1000000;

    [Benchmark]
    public static void TestManualCheck()
    {
        List<int> x = new List<int>(N);
        _impl_0(x);
    }

    public static int _impl_0(List<int> x)
    {
        int sum = 0;

        for(int i=0; i<N; i++)
            if (i < x.Count)
                sum += x[i];
        return sum;
    }
    
    [Benchmark]
    public static void TestTryCatch()
    {
        List<int> x = new List<int>(N);
        _impl_1(x);
    }

    public static int _impl_1(List<int> x)
    {
        int sum = 0;

        for(int i=0; i<N; i++)
            try {
                sum += x[i];
            }
            catch(ArgumentOutOfRangeException) {
            }
        return sum;
    }
}