Compilare: main.cpp: In function 'void kruskal()': main.cpp:40:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for (int i = 0; i < g.size(); ++i) { | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:83:30: warning: narrowing conversion of 'i' from 'int' to 'double' [-Wnarrowing] 83 | g.push_back({i, j, minDist}); | ^ main.cpp:83:33: warning: narrowing conversion of 'j' from 'int' to 'double' [-Wnarrowing] 83 | g.push_back({i, j, minDist}); | ^