1
0
Fork 0
Advent2022/Day3/part2.cpp

38 lines
991 B
C++

#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
int main(int argc, char* argv[])
{
int total = 0;
string line1,line2,line3;
while(getline(cin, line1))
{
getline(cin, line2);
getline(cin, line3);
sort(line1.begin(), line1.end());
sort(line2.begin(), line2.end());
sort(line3.begin(), line3.end());
string first_intersection, second_intersection;
set_intersection(line1.begin(), line1.end(), line2.begin(), line2.end(), back_inserter(first_intersection));
set_intersection(first_intersection.begin(), first_intersection.end(), line3.begin(), line3.end(), back_inserter(second_intersection));
int value;
if (second_intersection[0] >= 'a')
{
value = second_intersection[0]-'a'+1;
}
else
{
value = second_intersection[0]-'A'+27;
}
total += value;
}
cout << total << endl;
}