Compilare: main.cpp: In function 'MSTResult get_result()': main.cpp:131:18: warning: narrowing conversion of 'cost' from 'double' to 'int' [-Wnarrowing] 131 | return { cost, mst }; | ^~~~ main.cpp: In function 'int main()': main.cpp:147:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 147 | for (int j = 1; j < points.size(); ++j) { | ~~^~~~~~~~~~~~~~~