/in/foo.cc: In function 'int main()':
/in/foo.cc:35:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(sorted.size() > i){
       ~~~~~~~~~~~~~~^~~
/in/foo.cc:26:43: warning: unused variable 'tmp' [-Wunused-variable]
  int n = read(), m = read(), g, last = 1, tmp;
                                           ^~~