Compilare: main.cpp:8:28: warning: integer overflow in expression of type 'int' results in '2147483647' [-Woverflow] 8 | const int MAX = (1 << 31) - 1; | ~~~~~~~~~~^~~ main.cpp: In function 'std::vector<int> dijkstra(std::vector<std::vector<std::pair<int, int> > >&, int)': main.cpp:27:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for (int i = 0; i < v[p.second].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:55:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for (int i = 2; i < res.size(); i++) | ~~^~~~~~~~~~~~