Compilare: main.cpp: In member function 'std::vector<bool> Solution::distanceLimitedPathsExist(int, std::vector<std::vector<int> >&, std::vector<std::vector<int> >&)': main.cpp:566:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 566 | for(int i = 0; i < queries.size(); ++i){ | ~~^~~~~~~~~~~~~~~~ main.cpp:573:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 573 | for(int j = 0; j < queries.size(); ++j){ | ~~^~~~~~~~~~~~~~~~ main.cpp:574:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 574 | while(i < edgeList.size() && edgeList[i][2] < queries[j][2]){ | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Solution::lanterna()': main.cpp:593:19: warning: unused variable 'INF' [-Wunused-variable] 593 | const int INF = 1e9; | ^~~