//I added <summaries> because I get confused which one is which :P
/// <summary>
/// This will convert our input into our custom base format.
/// </summary>
/// <param name="input">The input will be assumed to be an IntX number. Or else this will return null.</param>
/// <param name="baseAlpha">The custom alphabet for conversion</param>
/// <returns>Null if input was improperly formatted. Else, returns the converted output string.</returns>
public string convertToBase(string input, char[] baseAlpha)
{
#if (SHOW_TIME)
Stopwatch sw = new Stopwatch();
sw.Start();
#endif
try
{
IntX x = IntX.Parse(input); //We'll deal with ridiculously large numbers
StringBuilder sb = new StringBuilder();
int targetBase = baseAlpha.Length;
do
{
sb.Append(baseAlpha[(int)(x % targetBase)]);
x /= targetBase;
} while (x > 0);
char[] garbage = sb.ToString().ToCharArray();
Array.Reverse(garbage);
#if (SHOW_TIME)
sw.Stop();
Debug.WriteLine("Time elapsed: " + sw.ElapsedMilliseconds + " ms");
#endif
return(new string(garbage));
}
catch (Exception e)
{
Console.WriteLine("Unexpected IntX parse format! (" + e.Message + ")");
return(null);
}
}
public void Sign()
{
IntX int1 = IntX.Parse("-7");
Assert.IsTrue(int1 == -7);
int1 = IntX.Parse("+7");
Assert.IsTrue(int1 == 7);
}
public static FractionX FromString(string str)
{
if (str.Contains('/'))
{
int index = str.IndexOf('/');
return(new FractionX(IntX.Parse(str.Substring(0, index)), IntX.Parse(str.Substring(index + 1))));
}
return(new FractionX(IntX.Parse(str)));
}
public void CompareWithClassicRandom()
{
TestHelper.Repeat(
RandomRepeatCount,
delegate
{
string str = GetRandomChars();
IntX classic = IntX.Parse(str, ParseMode.Classic);
IntX fast = IntX.Parse(str, ParseMode.Fast);
Assert.IsTrue(classic == fast);
});
}
public void CompareWithClassic()
{
TestHelper.Repeat(
RepeatCount,
delegate
{
string str = GetAllNineChars(_length);
IntX classic = IntX.Parse(str, ParseMode.Classic);
IntX fast = IntX.Parse(str, ParseMode.Fast);
Assert.IsTrue(classic == fast);
_length += LengthIncrement;
});
}
public void CompareWithClassicRandom()
{
TestHelper.Repeat(
RandomRepeatCount,
delegate
{
string str = GetRandomChars();
IntX x = IntX.Parse(str, ParseMode.Fast);
x.Settings.ToStringMode = ToStringMode.Fast;
string strFast = x.ToString();
x.Settings.ToStringMode = ToStringMode.Classic;
string strClassic = x.ToString();
Assert.AreEqual(str, strFast);
Assert.AreEqual(strFast, strClassic);
});
}
public void Base()
{
IntX int1 = IntX.Parse("abcdef", 16);
Assert.IsTrue(int1 == 0xabcdef);
int1 = IntX.Parse("100", 8);
Assert.IsTrue(int1 == 64);
int1 = IntX.Parse("0100");
Assert.IsTrue(int1 == 64);
int1 = IntX.Parse("0100000000000");
Assert.IsTrue(int1 == 0x200000000UL);
int1 = IntX.Parse("0xabcdef");
Assert.IsTrue(int1 == 0xabcdef);
int1 = IntX.Parse("0XABCDEF");
Assert.IsTrue(int1 == 0xabcdef);
int1 = IntX.Parse("020000000000");
Assert.IsTrue(int1 == 0x80000000);
}
public void CompareWithClassic()
{
TestHelper.Repeat(
RepeatCount,
delegate
{
string str = GetAllNineChars(_length);
IntX x = IntX.Parse(str, ParseMode.Fast);
x.Settings.ToStringMode = ToStringMode.Fast;
string strFast = x.ToString();
x.Settings.ToStringMode = ToStringMode.Classic;
string strClassic = x.ToString();
Assert.AreEqual(str, strFast);
Assert.AreEqual(strFast, strClassic);
_length += LengthIncrement;
});
}
static void Main(string[] args)
{
try
{
using (StreamReader sr = new StreamReader(args[0]))
using (StreamWriter sw = new StreamWriter(args[1]))
{
long t = long.Parse(sr.ReadLine().Trim());
for (int i = 0; i < t; ++i)
{
// get values
string[] strs = sr.ReadLine().Trim().Split(' ');
long n = int.Parse(strs[0]);
IntX[] values = new IntX[n];
for (int j = 0; j < n; ++j)
{
values[j] = IntX.Parse(strs[j + 1]);
}
Array.Sort(values);
IntX common = values[1] - values[0];
for (int j = 2; j < n; ++j)
{
common = gcj(common, values[j] - values[j - 1]);
}
IntX val = common - values[0] % common;
string line = "Case #" + (i + 1) + ": " + (val % common);
Console.WriteLine(line);
sw.WriteLine(line);
}
}
}
catch (Exception e) { Console.WriteLine(e.Message + e.StackTrace); }
Console.WriteLine("press any key to quit");
Console.ReadKey();
}
public void InvalidFormat2()
{
IntX.Parse("abc");
}
public void InvalidFormat()
{
IntX.Parse("-123-");
}
public void Parse()
{
Assert.AreEqual(19 * 20 + 18, (int)IntX.Parse("JI", 20, "0123456789ABCDEFGHIJ"));
}
public void AlphabetNull()
{
IntX.Parse("", 20, null);
}
public void AlphabetShort()
{
IntX.Parse("", 20, "1234");
}
public void AlphabetRepeatingChars()
{
IntX.Parse("", 20, "0123456789ABCDEFGHIJ0");
}
public void Null()
{
IntX.Parse(null);
}
public void WhiteSpace()
{
IntX int1 = IntX.Parse(" 7 ");
Assert.IsTrue(int1 == 7);
}
public void Zero()
{
IntX int1 = IntX.Parse("0");
Assert.IsTrue(int1 == 0);
}
public void BigDec()
{
IntX intX = IntX.Parse("34589238954389567586547689234723587070897800300450823748275895896384753238944985");
Assert.AreEqual(intX.ToString(), "34589238954389567586547689234723587070897800300450823748275895896384753238944985");
}
public void InvalidFormat3()
{
IntX.Parse("987", 2);
}
