road_construction.cpp: In function 'void check()':
road_construction.cpp:35:26: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
35 | if (qu.size()<k) qu.push(dst);
| ~~~~~~~~~^~
road_construction.cpp: In function 'int main()':
road_construction.cpp:62:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
62 | for (int q=0;q<vv.size();q++) cout<<vv[q]<<"\n";
| ~^~~~~~~~~~