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First homework #57
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| module Homework1 | ||
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| /// <summary> | ||
| /// Calculates factorial of the given number | ||
| /// </summary> | ||
| /// <param name="num">Number to calculate factorial from</param> | ||
| let rec factorial num = | ||
| let rec factorialHelper acc number = | ||
| match number with | ||
| | 0u -> acc | ||
| | _ -> factorialHelper (acc * number) (number - 1u) | ||
| factorialHelper 1u num | ||
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| /// <summary> | ||
| /// Calculates fibonacci number | ||
| /// </summary> | ||
| /// <param name="num">Index of fibonacci number(starting with 0)</param> | ||
| let rec fibonacci num = | ||
| let rec fibonacciHelper ind curr next = | ||
| match ind with | ||
| | 0u -> curr | ||
| | _ -> fibonacciHelper (ind - 1u) next (curr + next) | ||
| fibonacciHelper num 1 1 | ||
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| /// <summary> | ||
| /// Reverses the list | ||
| /// </summary> | ||
| /// <param name="list">List to reverse</param> | ||
| /// <returns>Reversed list</returns> | ||
| let rec reverseList list = | ||
| let rec reverseListHelper list tail = | ||
| match list with | ||
| | [] -> tail | ||
| | head :: t -> reverseListHelper t (head :: tail) | ||
| reverseListHelper list [] | ||
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| /// <summary> | ||
| /// Generates list of [2^n; 2^(n + 1); ...; 2^(n + m)] | ||
| /// </summary> | ||
| /// <param name="n">First power</param> | ||
| /// <param name="m">Number of elements</param> | ||
| /// <returns>None if given negative arguments, list otherwise</returns> | ||
| let rec genPowerList n m = | ||
| if n < 0 || m < 0 then None else | ||
| let rec genPowerListHelper num list curPower = | ||
| if curPower = n + m then | ||
| num :: list | ||
| else if curPower < n then | ||
| genPowerListHelper (num * 2) list (curPower + 1) | ||
| else | ||
| genPowerListHelper (num * 2) (num :: list) (curPower + 1) | ||
| Some(reverseList (genPowerListHelper 1 [] 0)) | ||
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| /// <summary> | ||
| /// Search for element in the list | ||
| /// </summary> | ||
| /// <param name="mainList">List to search</param> | ||
| /// <param name="elem">Element to search</param> | ||
| /// <returns>None if element not found and position otherwise</returns> | ||
| let rec findElement mainList elem = | ||
| let rec findElementHelper pos list = | ||
| match list with | ||
| | [] -> None | ||
| | head :: tail -> | ||
| if head = elem then | ||
| Some(pos) | ||
| else | ||
| findElementHelper (pos + 1) tail | ||
| findElementHelper 0 mainList | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <TargetFramework>net8.0</TargetFramework> | ||
| <GenerateDocumentationFile>true</GenerateDocumentationFile> | ||
| <RootNamespace>Factorial</RootNamespace> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <Compile Include="Homework1.fs" /> | ||
| </ItemGroup> | ||
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| </Project> |
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rec тут излишне