Eroare de compilare: main.cpp: In function 'int main()': main.cpp:52:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for (int i = 0; i < coordonate.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:54:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for (int j = i + 1; j < coordonate.size(); j++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:59:39: error: 'sqrt' was not declared in this scope 59 | double cost = sqrt((coordonate[i].first - coordonate[j].first) * (coordonate[i].first - coordonate[j].first) + | ^~~~ Non zero exit status: 1