public void Do(MemoryDecoder md)
{
var mask = md.CurrentMask.Mask;
var sb = new StringBuilder();
var valueB = Convert.ToString(Value, 2);
valueB = new string('0', mask.Length - valueB.Length) + valueB;
var memLoc = Convert.ToString(MemoryLocation, 2);
memLoc = new string('0', mask.Length - memLoc.Length) + memLoc;
//Part 1
//for (int i = mask.Length - 1; i >= 0; i--)
//{
// var c = mask[i];
// if (c == 'X')
// sb.Append(valueB[i]);
// else
// sb.Append(mask[i]);
//}
//valueB = Reverse(sb.ToString());
//Part 2
for (int i = mask.Length - 1; i >= 0; i--)
{
var c = mask[i];
if (c == '0')
{
sb.Append(memLoc[i]);
}
else
{
sb.Append(mask[i]);
}
}
memLoc = Reverse(sb.ToString());
var memoryList = new List <string>();
ReccReplaceXWithValuesAndGetSum(memLoc, memoryList);
memoryList.ForEach(a => md.Add(a, valueB));
void ReccReplaceXWithValuesAndGetSum(string value, List <string> resultList)
{
int firstPosOfX = value.IndexOf('X');
if (firstPosOfX == -1)
{
resultList.Add(value);
return;
}
var newValue0 = value.Substring(0, firstPosOfX) + '0' + value.Substring(firstPosOfX + 1);
var newValue1 = value.Substring(0, firstPosOfX) + '1' + value.Substring(firstPosOfX + 1);
ReccReplaceXWithValuesAndGetSum(newValue0, resultList);
ReccReplaceXWithValuesAndGetSum(newValue1, resultList);
}
}
public override double Main_Double()
{
var path = @".\Days\Day14\input.txt";
var str = System.IO.File.ReadAllLines(path);
var md = new MemoryDecoder(str);
md.Do();
return(md.SumOfValuesInMemory());
}
public void Do(MemoryDecoder md)
{
md.CurrentMask = this;
}