#include <iostream>
#include <fstream>
#include <string>
using namespace std;


 int myFunction(string x){ //12 bit binary decoder
    int y = 0;
    for(int i = 0;i < 12;i++){
        if(x.at(i) == '1'){
            if(i==0){y+=2048;}
            if(i==1){y+=1024;}
            if(i==2){y+=512;}
            if(i==3){y+=256;}
            if(i==4){y+=128;}
            if(i==5){y+=64;}
            if(i==6){y+=32;}
            if(i==7){y+=16;}
            if(i==8){y+=8;}
            if(i==9){y+=4;}
            if(i==10){y+=2;}
            if(i==11){y+=1;}
        }
    }
    cout << "\n"<< y;
    return y;
}

int main () {

    int zerocount[12]{0,0,0,0,0,0,0,0,0,0,0,0}, onescount[12]{0,0,0,0,0,0,0,0,0,0,0,0};
    string gamma, epsilon;

ifstream myfile ("input3.txt");
string line;
if (myfile.is_open()){

    while ( getline (myfile,line) ){ //start looping through each line
        for(int i = 0; i < 12;i++){ //for each line loop 12 times, adjust count[i] according to line.at(i)

            if(line.at(i) == '0'){ //counters
                zerocount[i] ++;

            }else{
                onescount[i] ++;
            }
        }
    }

    for(int i =0; i <12;i++){
        if (onescount[i] > zerocount[i]){ //construct gamma/epsilon by concat either a 0 or a 1
            gamma += "1";
            epsilon += "0";
        }
        else {gamma += "0"; epsilon += "1";}
    }

    cout << "\nG: " << gamma << " E: " << epsilon; //print

    int g = myFunction(gamma);
    int e = myFunction(epsilon);
    cout << "\n Final answer is: "  <<e*g;

myfile.close();} else cout << "Unable to open file"; //compacted file reading code


    return 0;
}