commit 03e7be38dd1adf5d6a2cf24a06ba277a1644a0f8
Author: davidon-top <me@davidon.top>
Date:   Wed Jan 15 08:39:24 2025 +0100

    init

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..87097a8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+obj
+bin
+*.user
\ No newline at end of file
diff --git a/ulohyfs.sln b/ulohyfs.sln
new file mode 100644
index 0000000..27b0e4e
--- /dev/null
+++ b/ulohyfs.sln
@@ -0,0 +1,16 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{F2A71F9B-5D33-465A-A702-920D77279786}") = "ulohyfs", "ulohyfs\ulohyfs.fsproj", "{E2CE65C1-992E-4503-9F45-D81EE577A417}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E2CE65C1-992E-4503-9F45-D81EE577A417}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E2CE65C1-992E-4503-9F45-D81EE577A417}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E2CE65C1-992E-4503-9F45-D81EE577A417}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E2CE65C1-992E-4503-9F45-D81EE577A417}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal
diff --git a/ulohyfs/src/Attributes.fs b/ulohyfs/src/Attributes.fs
new file mode 100644
index 0000000..f3bd7e3
--- /dev/null
+++ b/ulohyfs/src/Attributes.fs
@@ -0,0 +1,7 @@
+module UlohyFs.Attributes
+
+open System
+
+type UlohaAttribute(id: int) =
+    inherit Attribute()
+    member _.Id = id
diff --git a/ulohyfs/src/Program.fs b/ulohyfs/src/Program.fs
new file mode 100644
index 0000000..7cb2c4b
--- /dev/null
+++ b/ulohyfs/src/Program.fs
@@ -0,0 +1,30 @@
+module UlohyFs.Program
+
+open System
+open System.Reflection
+open UlohyFs.Attributes
+
+[<EntryPoint>]
+let main args =
+    let ulohy =
+        Assembly.GetExecutingAssembly().GetTypes()
+        |> Array.map _.GetMethods()
+        |> Array.collect id
+        |> Array.filter (fun m -> m.GetCustomAttributes(typeof<UlohaAttribute>, false).Length > 0)
+    printfn "Zadaj cislo ulohy:"
+    let uloha = Console.ReadLine()
+    let uloha = Convert.ToInt32(uloha)
+    let ulohameta =
+        ulohy
+        |> Array.map (fun m -> (
+            let ua =
+                m.GetCustomAttributes(typeof<UlohaAttribute>, false)
+                |> Array.map (fun a -> a :?> UlohaAttribute)
+            (ua[0], m)
+        ))
+        |> Array.find (fun (a, _) -> a.Id = uloha)
+
+    let _, m = ulohameta
+    m.Invoke(null, null) |> ignore
+
+    0
\ No newline at end of file
diff --git a/ulohyfs/src/u15.fs b/ulohyfs/src/u15.fs
new file mode 100644
index 0000000..d603ff7
--- /dev/null
+++ b/ulohyfs/src/u15.fs
@@ -0,0 +1,24 @@
+module UlohyFs.u15
+
+open System.IO
+open System.Text.Unicode
+open UlohyFs.Attributes
+open System
+
+let path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "/spokojnost.txt"
+let npath = Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "/nespokojnost.txt"
+
+[<Uloha(15)>]
+let uloha15() =
+    let spokojnost =
+        File.ReadAllLines(path)
+        |> Array.map (fun l -> Convert.ToInt32(l))
+    let nfile = File.Create(npath)
+    spokojnost |> Array.iter (fun s -> (
+        if s <= 5 then
+            nfile.Write(Text.Encoding.UTF8.GetBytes(s.ToString() + "\n"))
+        ))
+    nfile.Flush()
+    nfile.Close()
+    printfn "Pocet zakaznikov: %d" spokojnost.Length
+    printfn "Priemer: %f" (spokojnost |> Array.map (fun f -> float f) |> Array.average)
\ No newline at end of file
diff --git a/ulohyfs/src/u16.fs b/ulohyfs/src/u16.fs
new file mode 100644
index 0000000..d758d8f
--- /dev/null
+++ b/ulohyfs/src/u16.fs
@@ -0,0 +1,16 @@
+module UlohyFs.u16
+
+open System
+open UlohyFs.Attributes
+
+[<Uloha(16)>]
+let uloha16() =
+    let original = "mATURITNÁ SKÚŠKA Z iNFORMATIKY"
+    let added = sprintf $"{original} aktuálny rok, v ktorom maturujete"
+    printfn "%s" added
+    original.IndexOf "SKÚŠKA"
+    |> printfn "Index SKÚŠKA: %d"
+    printfn "inverted case: %s" (original |> Seq.map (fun c -> if Char.IsLower c then Char.ToUpper c else Char.ToLower c) |> Seq.toArray |> System.String)
+    printfn "replaced %s" (original.Replace("Informatiky", "Programovania"))
+
+    printfn "all operations: %s" (added |> Seq.map (fun c -> if Char.IsLower c then Char.ToUpper c else Char.ToLower c) |> Seq.toArray |> System.String |> fun s -> s.Replace("Informatiky", "Programovania"))
diff --git a/ulohyfs/src/u17.fs b/ulohyfs/src/u17.fs
new file mode 100644
index 0000000..e85a4d5
--- /dev/null
+++ b/ulohyfs/src/u17.fs
@@ -0,0 +1,15 @@
+module UlohyFs.u17
+
+open System.IO
+open UlohyFs.Attributes
+open System
+
+let eur2usd euro =
+    euro * 1.0245
+
+[<Uloha(17)>]
+let uloha15() =
+    printfn "Eur?: "
+    let eur = System.Console.ReadLine() |> float
+    let usd = eur2usd eur
+    printfn "USD: %f" usd
diff --git a/ulohyfs/ulohyfs.fsproj b/ulohyfs/ulohyfs.fsproj
new file mode 100644
index 0000000..5055383
--- /dev/null
+++ b/ulohyfs/ulohyfs.fsproj
@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net9.0</TargetFramework>
+        <RootNamespace>UlohyFs</RootNamespace>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <Compile Include="src\Attributes.fs" />
+        <Compile Include="src\u16.fs" />
+        <Compile Include="src\u15.fs" />
+        <Compile Include="src\u17.fs" />
+        <Compile Include="src\Program.fs" />
+    </ItemGroup>
+
+</Project>