Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Add Bubble Sort in Beef #3750

Merged
merged 3 commits into from
Feb 3, 2024
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
112 changes: 112 additions & 0 deletions archive/b/beef/BubbleSort.bf
Original file line number Diff line number Diff line change
@@ -0,0 +1,112 @@
using System;
using System.Collections;

namespace BubbleSort;

class Program
{
public static void Usage()
{
Console.WriteLine(
"""
Usage: please provide a list of at least two integers to sort in the format "1, 2, 3, 4, 5"
"""
);
Environment.Exit(0);
}

public static Result<T> ParseInt<T>(StringView str)
where T : IParseable<T>
{
StringView trimmedStr = scope String(str);
trimmedStr.Trim();

// T.Parse ignores single quotes since they are treat as digit separators -- e.g. 1'000
if (trimmedStr.Contains('\''))
{
return .Err;
}

return T.Parse(trimmedStr);
}

public static Result<void> ParseIntList<T>(StringView str, List<T> arr)
where T: IParseable<T>
{
arr.Clear();
for (StringView item in str.Split(','))
{
switch (ParseInt<T>(item))
{
case .Ok(let val):
arr.Add(val);

case .Err:
return .Err;
}
}

return .Ok;
}

// Reference: https://en.wikipedia.org/wiki/Bubble_sort#Optimizing_bubble_sort
public static void BubbleSort<T>(List<T> arr)
where int : operator T <=> T
{
int n = arr.Count;
while (n > 0)
{
int newN = 0;
for (int i in 1..< n)
{
if (arr[i - 1] > arr[i])
{
Swap!(arr[i - 1], arr[i]);
newN = i;
}
}

n = newN;
}
}

public static void ShowList<T>(List<T> arr)
{
String line = scope .();
for (T val in arr)
{
if (!line.IsEmpty)
{
line += ", ";
}

line.AppendF("{}", val);
}

Console.WriteLine(line);
}

public static int Main(String[] args)
{
if (args.Count < 1)
{
Usage();
}

List<int32> arr = scope .();
switch (ParseIntList<int32>(args[0], arr))
{
case .Ok:
if (arr.Count < 2)
{
Usage();
}
case .Err:
Usage();
}

BubbleSort<int32>(arr);
ShowList<int32>(arr);
return 0;
}
}
Loading