Compilare: main.cpp: In function 'int main()': main.cpp:37:23: warning: comparison of integer expressions of different signedness: 'std::vector<Muchie>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 37 | while (sol.size() < n-1) | ~~~~~~~~~~~^~~~~ main.cpp: In function 'void afisare()': main.cpp:100:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 100 | for (int i = 0; i < sol.size(); i++) | ~~^~~~~~~~~~~~