public void Test_ConvertToBinary_Positive()
{
var binary = new BinaryNum(5);
binary.ConvertToBinary();
Assert.AreEqual("101", binary.BinaryNumber);
}
static void Main(string[] args)
{
BinaryNum a = CalcOperation.Sum;
a += CalcOperation.Mult;
a(2.4, 35.6);
}
public void Test_NumberOfOnes_Positive()
{
var binary = new BinaryNum(5);
binary.ConvertToBinary();
Assert.AreEqual(2, binary.NumberOfOnes());
}
public void Test_NumberOfOnes_Negative()
{
var binary = new BinaryNum(-5);
binary.ConvertToBinary();
Assert.AreEqual(31, binary.NumberOfOnes());
}
public void Test_ConvertToBinary_Zero()
{
var binary = new BinaryNum(0);
binary.ConvertToBinary();
Assert.AreEqual("0", binary.BinaryNumber);
}
public void Test_ConvertToBinary_Negative()
{
var binary = new BinaryNum(-5);
binary.ConvertToBinary();
Assert.AreEqual("11111111111111111111111111111011", binary.BinaryNumber);
}
public void BinaryNumberMask_WithSampleInput_ShouldReturn73()
{
string mask = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXX1XXXX0X";
BinaryNum num = new BinaryNum(int.Parse("11"));
long result = num.MemMask(mask);
Assert.Equal(73, result);
}
public void Part2_WithSampleInput_ShouldReturn208()
{
string sampleInput = @"mask = 000000000000000000000000000000X1001X
mem[42] = 100
mask = 00000000000000000000000000000000X0XX
mem[26] = 1";
string[] program = sampleInput.Split(Environment.NewLine,
StringSplitOptions.TrimEntries |
StringSplitOptions.RemoveEmptyEntries
);
Dictionary <long, long> memory = new Dictionary <long, long>();
string mask = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
for (int i = 0; i < program.Length; i++)
{
if (program[i].Substring(0, 4) == "mask")
{
mask = program[i].Split('=', StringSplitOptions.TrimEntries)[1];
}
else
{
long memSlot = long.Parse(new Regex("^mem\\[([\\d]+)\\] ").Match(program[i]).Groups[1].ToString());
long value = long.Parse(program[i].Split('=', StringSplitOptions.TrimEntries)[1]);
BinaryNum addr = new BinaryNum(memSlot);
string currMask = addr.AddrMask(mask);
Combos = new List <string>();
GetAddrCombos(
currMask.ToCharArray(),
Array.IndexOf(currMask.ToCharArray(), 'X')
);
foreach (var address in Combos)
{
memory[Convert.ToInt64(address, 2)] = value;
}
}
}
long total = 0;
foreach (long key in memory.Keys)
{
total += memory[key];
}
Assert.Equal(208, total);
}
public void Part1_WithSampleInput_ShouldReturn165()
{
string sampleInput = @"mask = XXXXXXXXXXXXXXXXXXXXXXXXXXXXX1XXXX0X
mem[8] = 11
mem[7] = 101
mem[8] = 0";
string[] program = sampleInput.Split(Environment.NewLine,
StringSplitOptions.TrimEntries |
StringSplitOptions.RemoveEmptyEntries
);
Dictionary <long, long> memory = new Dictionary <long, long>();
string mask = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
for (int i = 0; i < program.Length; i++)
{
if (program[i].Substring(0, 4) == "mask")
{
mask = program[i].Split('=', StringSplitOptions.TrimEntries)[1];
}
else
{
long memSlot = long.Parse(new Regex("^mem\\[([\\d]+)\\] ").Match(program[i]).Groups[1].ToString());
long value = long.Parse(program[i].Split('=', StringSplitOptions.TrimEntries)[1]);
BinaryNum num = new BinaryNum(value);
long result = num.MemMask(mask);
memory[memSlot] = result;
}
}
long total = 0;
foreach (long key in memory.Keys)
{
total += memory[key];
}
Assert.Equal(165, total);
}
