advent-of-code-cpp-2021/day3/day3Part2.cpp
Blizzard Finnegan d974ff5bad Attempt 2 at Day3Part2
Spoiler: Still doesn't work
2021-12-07 02:44:22 -05:00

152 lines
4.1 KiB
C++

#include <iostream>
#include <cmath>
#include <fstream>
#include <vector>
#include <algorithm>
#include <string>
#include <array>
using namespace std;
int i = 0;
char zeroChar = '0';
bool bitIsFalse(string binString)
{
return (binString[i] == '0');
}
bool bitIsTrue(string binString)
{
return (binString[i] == '1');
}
int main (void)
{
vector<string> inputValues;
vector<string> mostCommonList;
vector<string>::iterator mostCommonListIt;
vector<string> leastCommonList;
vector<string>::iterator leastCommonListIt;
string currentLine;
string mostCommonFinal;
string leastCommonFinal;
int mostBitTrue[5] = {};
int mostBitFalse[5] = {};
int leastBitTrue[5] = {};
int leastBitFalse[5] = {};
int oxygenGenRatingBin[5] = {};
int coScrubRatingBin[5] = {};
int oxygenGenRatingDec = 0;
int coScrubRatingDec = 0;
int lifeSupport = 0;
ifstream readFile ("data/testInput.txt", ios::in);
//file Read
while(getline(readFile, currentLine))
{
inputValues.emplace_back(currentLine);
}
mostCommonList = inputValues;
leastCommonList = inputValues;
//most Common filter
//Iterate through all bits in line
for(i=0;i<5;i++)
{
//exit loop if list only has one string
if (mostCommonList.size() == 1) break;
//iterate through list
for (int j=0;j<mostCommonList.size();j++)
{
//increment counter
cout << mostCommonList[j][i];
if (mostCommonList[j][i] == '0') mostBitFalse[i]++;
else if (mostCommonList[j][i] == '1') mostBitTrue[i]++;
else
{
cout << "Error!" << endl;
return 1;
}
}
//if same, true has priority
if (mostBitTrue[i] == mostBitFalse[i]) mostBitTrue[i]++;
if (mostBitTrue[i] > mostBitFalse[i])
{
mostCommonListIt = remove_if(mostCommonList.begin(), mostCommonList.end(), bitIsFalse);
}
if (mostBitFalse[i] > mostBitTrue[i])
{
mostCommonListIt = remove_if(mostCommonList.begin(), mostCommonList.end(), bitIsTrue);
}
}
mostCommonFinal = *mostCommonList.begin();
//*******************************************************************
//least Common filter
//Iterate through all bits in line
for(i=0;i<5;i++)
{
//exit loop if list only has one string
if (leastCommonList.size() == 1) break;
//iterate through list
for (auto it = leastCommonList.begin(); it != leastCommonList.end(); ++it)
{
//make index of list usable
currentLine = *it;
//increment counter
if (currentLine[i] == 0) leastBitFalse[i]++;
else if (currentLine[i] == 1) leastBitTrue[i]++;
else
{
cout << "Error!" << endl;
return 1;
}
}
//if same, true has priority
if (mostBitTrue[i] == mostBitFalse[i]) mostBitTrue[i]++;
if (mostBitTrue[i] > mostBitFalse[i])
{
mostCommonListIt = remove_if(mostCommonList.begin(), mostCommonList.end(), bitIsFalse);
}
if (mostBitFalse[i] > mostBitTrue[i])
{
mostCommonListIt = remove_if(mostCommonList.begin(), mostCommonList.end(), bitIsTrue);
}
}
leastCommonFinal = *leastCommonList.begin();
for(i=0;i<5;i++)
{
if(mostCommonFinal[i] == 1) oxygenGenRatingBin[i]=1;
else if(mostCommonFinal[i] == 0) oxygenGenRatingBin[i]=0;
else
{
cout << "Error!!!" << endl;
return 3;
}
if(leastCommonFinal[i] == 1) coScrubRatingBin[i]=1;
else if(leastCommonFinal[i] == 0) coScrubRatingBin[i]=0;
else
{
cout << "Error!!!!" << endl;
return 4;
}
}
for(int i=0;i<5;i++)
{
oxygenGenRatingDec += oxygenGenRatingBin[i] * pow(2,04-i);
coScrubRatingDec += coScrubRatingBin[i] * pow(2,04-i);
}
lifeSupport = oxygenGenRatingDec * coScrubRatingDec;
cout << "\nLife Support Rating: " << lifeSupport;
return 0;
}