/in/foo.cc: In function 'int main()':
/in/foo.cc:14:26: warning: comparison of integer expressions of different signedness: 'std::priority_queue<long long int, std::vector<long long int>, std::greater<long long int> >::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   14 |             if(bpq.size()>n1){
      |                ~~~~~~~~~~^~~
/in/foo.cc:19:26: warning: comparison of integer expressions of different signedness: 'std::priority_queue<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   19 |             if(spq.size()>n2){
      |                ~~~~~~~~~~^~~