idx_t
get_num_reads(const char* candidates_file)
{
ifstream in;
open_fstream(in, candidates_file, ios::in);
ExtensionCandidate ec;
int max_id = -1;
while (in >> ec)
{
max_id = std::max(ec.qid, max_id);
max_id = std::max(ec.sid, max_id);
}
close_fstream(in);
return max_id + 1;
}
这个函数要怎么改呢?