rpuzonas/algoru-labs
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solve first part

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This commit is contained in:
Rokas Puzonas 2023-03-28 00:20:19 +03:00
parent 3b37c5ee8b
commit 57913e9ce5
3 changed files with 130 additions and 0 deletions
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8
Lab2/Lab2.csproj Normal file
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@ -0,0 +1,8 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>netcoreapp3.1</TargetFramework>
</PropertyGroup>
</Project>

116
Lab2/Program.cs Normal file
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@ -0,0 +1,116 @@
using System;
using System.Reflection;
namespace Lab2
{
internal class Program
{
public static uint counter = 0;
public static long methodToAnalysis1(int[] arr)
{
long n = arr.Length;
long k = n;
for (int i = 0; i < n; i++)
{
counter += 1;
if (arr[i] > 0)
{
for (int j = 0; j < n * n / 2; j++)
{
k -= 2;
counter += 1;
}
for (int j = 0; j < n * n / 2; j++)
{
k += 3;
counter += 1;
}
}
}
return k;
}
public static long methodToAnalysis2(int n, int[] arr)
{
long k = 0;
for (int i = 0; i < n; i++)
{
counter += 1;
k += arr[i] + FF4(i, arr);
}
return k;
}
public static long methodToAnalysis2(int[] arr)
{
return methodToAnalysis2(arr.Length, arr);
}
public static long FF4(int n, int[] arr)
{
if (n > 0 && arr.Length > n && arr[n] < 0)
{
counter += 1;
return FF4(n / 2, arr) + FF4(n / 3, arr);
}
return n;
}
public static double TestFunc(Func<int[], long> T, uint n, int value)
{
int[] data = new int[n];
for (int i = 0; i < n; i++)
{
data[i] = value;
}
var before = DateTime.Now;
counter = 0;
T(data);
var duration = DateTime.Now - before;
return duration.TotalSeconds;
}
static void TestMethod(Func<int[], long> F, string format, int bestValue, uint[] best, int worstValue, uint[] worst)
{
Console.WriteLine("- Best:");
foreach (var n in best)
{
double time = TestFunc(F, n, bestValue);
Console.WriteLine(format, n, time, counter);
}
Console.WriteLine("- Worst:");
foreach (var n in worst)
{
double time = TestFunc(F, n, worstValue);
Console.WriteLine(format, n, time, counter);
}
}
static void Main(string[] args)
{
string format = " F({0}) => {1}s {2}i";
//string format = "{1} {2}";
/*
Console.WriteLine("methodToAnalysis1:");
TestMethod(
methodToAnalysis1,
format,
-1, new uint[] { 10000, 100000000, 300000000, 600000000, 900000000 },
1, new uint[] { 500, 600, 700, 800, 1000 }
);
*/
Console.WriteLine("methodToAnalysis2:");
TestMethod(
methodToAnalysis2,
format,
1, new uint[] { 10000, 100000000, 300000000, 600000000, 900000000 },
-1, new uint[] { 10000, 20000, 30000, 50000, 100000 }
);
}
}
}

6
Labs.sln
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@ -5,6 +5,8 @@ VisualStudioVersion = 17.1.32328.378
MinimumVisualStudioVersion = 10.0.40219.1
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Lab1", "Lab1\Lab1.csproj", "{497767A1-722A-4F48-86E5-C2AE6E0B9C9A}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lab2", "Lab2\Lab2.csproj", "{6AF5D775-08B9-4D4F-9E2E-116C551D0581}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@ -15,6 +17,10 @@ Global
{497767A1-722A-4F48-86E5-C2AE6E0B9C9A}.Debug|Any CPU.Build.0 = Debug|Any CPU
{497767A1-722A-4F48-86E5-C2AE6E0B9C9A}.Release|Any CPU.ActiveCfg = Release|Any CPU
{497767A1-722A-4F48-86E5-C2AE6E0B9C9A}.Release|Any CPU.Build.0 = Release|Any CPU
{6AF5D775-08B9-4D4F-9E2E-116C551D0581}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{6AF5D775-08B9-4D4F-9E2E-116C551D0581}.Debug|Any CPU.Build.0 = Debug|Any CPU
{6AF5D775-08B9-4D4F-9E2E-116C551D0581}.Release|Any CPU.ActiveCfg = Release|Any CPU
{6AF5D775-08B9-4D4F-9E2E-116C551D0581}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE