/in/foo.cc: In function 'bool cp1(const pr&, const pr&)':
/in/foo.cc:44:22: error: 'const class pr' has no member named 'seoncd'; did you mean 'second'?
  return a.second > b.seoncd;
                      ^~~~~~
/in/foo.cc: In function 'int abc(int, int, int, int, int)':
/in/foo.cc:63:85: warning: unused variable 'w' [-Wunused-variable]
    register int t = l[num[i].first]; register int q = r[num[i].first]; register int w = num[i].second;
                                                                                     ^