Compilare: main.cpp: In function 'float kruskal(int, dus&, std::vector<muchie>&, std::vector<point>&)': main.cpp:57:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for(int i=0;i<lista.size();i++){ | ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:68:13: warning: unused variable 'x' [-Wunused-variable] 68 | int n,m,x,y; | ^ main.cpp:68:15: warning: unused variable 'y' [-Wunused-variable] 68 | int n,m,x,y; | ^