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Data update

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Ingy döt Net 2024-03-06 22:25:12 -08:00
parent ed705008a8
commit 0df55f9f24
2196 changed files with 32999 additions and 3075 deletions
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92
Task/Fractran/C-sharp/fractran-1.cs Normal file
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namespace System.Numerics
{
using Fractype = (BigInteger numerator, BigInteger denominator);
struct Quotient
{
private Fractype _frac;
public Fractype Fraction
{
get => _frac;
set => _frac = Reduce(value);
}
public bool IsIntegral => _frac.denominator == 1;
public Quotient(BigInteger num, BigInteger den)
{
Fraction = (num, den);
}
public static BigInteger GCD(BigInteger a, BigInteger b)
{
return (b == 0) ? a : GCD(b, a % b);
}
private static Fractype Reduce(Fractype f)
{
if (f.denominator == 0)
throw new DivideByZeroException();
BigInteger gcd = Quotient.GCD(f.numerator, f.denominator);
return (f.numerator / gcd, f.denominator / gcd);
}
public static Quotient operator *(Quotient a, Quotient b)
=> new Quotient(a._frac.numerator * b._frac.numerator, a._frac.denominator * b._frac.denominator);
public static Quotient operator *(Quotient a, BigInteger n)
=> new Quotient(a._frac.numerator * n, a._frac.denominator);
public static explicit operator Quotient(Fractype t) => new Quotient(t.numerator, t.denominator);
}
class FRACTRAN
{
private Quotient[] code;
public FRACTRAN(Fractype[] _code)
{
code = _code.Select(x => (Quotient) x).ToArray();
}
public (BigInteger value, bool success) Compute(BigInteger n)
{
for (int i = 0; i < code.Length; i++)
if ((code[i] * n).IsIntegral)
return ((code[i] * n).Fraction.numerator, true);
return (0, false);
}
}
class Program
{
public static void Main(string[] args)
{
Fractype[] frac_code = args[0].Split(" ")
.Select(x => ((BigInteger)Int32.Parse(x.Split("/")[0]), (BigInteger)Int32.Parse(x.Split("/")[1].Trim(',')))).ToArray();
BigInteger init = new BigInteger(Int32.Parse(args[1].Trim(',')));
int steps = Int32.Parse(args[2].Trim(','));
FRACTRAN FRACGAME = new FRACTRAN(frac_code);
List<BigInteger> sequence = new List<BigInteger>();
sequence.Add(init);
bool halt = false;
for (int i = 0; i < steps - 1; i++)
{
var k = FRACGAME.Compute(sequence[sequence.Count - 1]);
if (k.success)
sequence.Add(k.value);
else
{
halt = true;
break;
}
}
for (int i = 0; i < sequence.Count; i++)
Console.WriteLine((i + 1).ToString() + ": " + sequence[i]);
if (halt)
Console.WriteLine("HALT");
}
}
}

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Task/Fractran/C-sharp/fractran-2.cs Normal file
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class Program
{
private static bool PowerOfTwo(BigInteger b)
{
while (b % 2 == 0)
b /= 2;
return b == 1;
}
private static BigInteger BigLog2(BigInteger b)
{
BigInteger r = 0;
while (b > 1)
{
r++;
b /= 2;
}
return r;
}
public static void Main(string[] args)
{
Fractype[] frac_code = args[0].Split(" ")
.Select(x => ((BigInteger)Int32.Parse(x.Split("/")[0]), (BigInteger)Int32.Parse(x.Split("/")[1].Trim(',')))).ToArray();
BigInteger init = new BigInteger(Int32.Parse(args[1].Trim(',')));
int steps = Int32.Parse(args[2].Trim(','));
FRACTRAN FRACGAME = new FRACTRAN(frac_code);
List<BigInteger> sequence = new List<BigInteger>();
List<BigInteger> primes = new List<BigInteger>();
sequence.Add(init);
bool halt = false;
while (primes.Count() < 20)
{
var k = FRACGAME.Compute(sequence[sequence.Count - 1]);
if (k.success)
sequence.Add(k.value);
else
{
halt = true;
break;
}
if (PowerOfTwo(k.value))
primes.Add(BigLog2(k.value));
}
for (int i = 0; i < primes.Count; i++)
Console.WriteLine((i + 1).ToString() + ": " + primes[i]);
if (halt)
Console.WriteLine("HALT");
}
}