/in/foo.cc: In function 'void solve_1008(std::unordered_map<int, std::vector<int> >&)':
/in/foo.cc:67:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(seq1.size()!=n || seq2.size()!=n) {
        ~~~~~~~~~~~^~~
/in/foo.cc:67:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(seq1.size()!=n || seq2.size()!=n) {
                          ~~~~~~~~~~~^~~
/in/foo.cc:71:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<seq1.size();i++) {
                 ~^~~~~~~~~~~~