Compilare: main.cpp: In function 'void prim(int)': main.cpp:35:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for(int i=0;i<v.size();++i) | ~^~~~~~~~~ main.cpp: In function 'int solve_(int, int)': main.cpp:63:19: warning: 'costm' may be used uninitialized [-Wmaybe-uninitialized] 63 | int max_ = 0, costm; | ^~~~~