Compilare: main.cpp: In function 'int main()': main.cpp:70:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for(int i=0;i<MST.size();i++) | ~^~~~~~~~~~~ main.cpp: In function 'int gaseste_multime(int)': main.cpp:21:24: warning: control reaches end of non-void function [-Wreturn-type] 21 | gaseste_multime(parent[i]); | ~~~~~~~~~~~~~~~^~~~~~~~~~~