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#include "aoc.h"
namespace aoc2015 {
std::pair<int, int> day19(line_view file) {
molecule m;
per_line(file, [&m](line_view lv) {
m.parse(lv);
return true;
});
std::map<int, std::vector<molecule::change>> changes;
m.check(changes);
int shortest = INT32_MAX;
// m.deduct(m.original, 0, &shortest);
m.transfer("e", 0, &shortest);
return {m.distinct(changes), shortest};
}
} // namespace aoc2015
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