Compilare: main.cpp: In function 'void kruskal(int)': main.cpp:75:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for (int i = 0; i < muchii.size() && nrMuchii <oras; i++) | ~~^~~~~~~~~~~~~~~