BenchmarkFor6.3.5

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using System.Globalization;
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using BenchmarkDotNet.Attributes;
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using BenchmarkDotNet.Running;
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using System.Text;
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BenchmarkRunner.Run<StringTest>();
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public class StringTest
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{
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    string intro = "1@2.0@3@4@5@6@10@12@30@20@31";
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    [Benchmark]
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    public string MontirovkaBuild()
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    {
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        CultureInfo.CurrentCulture = CultureInfo.GetCultureInfo("en-US");
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        string[] chisla = intro.Split(new char[]{'@'});
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        double[] truechisla = new double[chisla.Length];
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        double max = Convert.ToDouble(chisla[0]);
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        double min = Convert.ToDouble(chisla[0]);
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        double max2 = Convert.ToDouble(chisla[1]);
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        double min2 = Convert.ToDouble(chisla[1]);
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        for (int i = 0; i < chisla.Length; i++)
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        {
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            truechisla[i] = Convert.ToDouble(chisla[i]);
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        }
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        if (min2 <= min)
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        {
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            double tmp = min2;
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            min2 = min;
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            min = tmp;
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        }
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        if (max2 >= max)
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        {
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            double tmp = max2;
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            max2 = max;
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            max = tmp;
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        }
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        for (int i = 2; i < truechisla.Length; i++)
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        {
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            if (min2 >= truechisla[i])
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            {
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                min2 = truechisla[i];
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            }
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            if (min2 <= min)
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            {
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                double tmp = min2;
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                min2 = min;
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                min = tmp;
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            }
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            if (max2 <= truechisla[i])
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            {
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                max2 = truechisla[i];
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            }
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            if (max2 >= max)
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            {
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                double tmp = max2;
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                max2 = max;
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                max = tmp;
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            }
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        }
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        return $"{max2}\n{min2}";
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    }
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    [Benchmark]
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    public string MichailBuild()
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    {
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        CultureInfo.CurrentCulture = CultureInfo.GetCultureInfo("en-US");
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        string[] splitNums = intro.Split('@');
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        double[] arr = new double[splitNums.Length];
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        for (int i = 0; i < splitNums.Length; i++)
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            arr[i] = Convert.ToDouble(splitNums[i]);
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        for (int i = 0; i < splitNums.Length - 1; i++)
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        for (int j = 0; j < splitNums.Length - i - 1; j++)
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        {
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            if (arr[j] > arr[j + 1])
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            {
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                double temp = arr[j];
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                arr[j] = arr[j + 1];
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                arr[j + 1] = temp;
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            }
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        }
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        return $"{arr[arr.Length - 2]}\n{arr[1]}";
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    }
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}