Compilare: main.cpp: In function 'void kruskal()': main.cpp:43:22: warning: comparison of integer expressions of different signedness: 'std::vector<muchie>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 43 | if(apm.size()==n-1){ | ~~~~~~~~~~^~~~~ main.cpp: In function 'int GetRoot(int)': main.cpp:25:16: warning: control reaches end of non-void function [-Wreturn-type] 25 | comp[x]=GetRoot(comp[x]);