/in/foo.cc: In function 'int main()':
/in/foo.cc:31:33: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   31 |             if (max_heap.size() < i + 1) {
      |                 ~~~~~~~~~~~~~~~~^~~~~~~
/in/foo.cc:44:29: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   44 |         if (max_heap.size() < i) {
      |             ~~~~~~~~~~~~~~~~^~~