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#include "aoc.h"
namespace aoc2020 {
int day4(line_view file) {
const char* p1 = file.line;
const char* p2 = file.line + file.length;
const char* p = p1;
int total{0};
while (p < p2) {
if (*p == '\n' && *(p + 1) == '\n') {
passwort pass{p1, p};
// std::cout << pass << std::endl;
if (pass.is_valid()) {
total++;
}
p1 = p + 2;
}
p++;
}
if (passwort{p1, p}.is_valid()) {
total++;
}
return total;
}
} // namespace aoc2020
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