Compilare: main.cpp: In function 'int main()': main.cpp:59:24: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 59 | if (rez.size ()==n-1) | ~~~~~~~~~~~^~~~~ main.cpp:64:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for (int i=0;i<rez.size ();++i){ | ~^~~~~~~~~~~~