Compilare: main.cpp: In member function 'int arbore::mindist(int, int)': main.cpp:82:13: warning: variable 'care' set but not used [-Wunused-but-set-variable] 82 | int care=-1; | ^~~~ main.cpp: In member function 'void arbore::output_minroad(int, int)': main.cpp:121:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 121 | for(int i=0;i<rez1.size();i++) | ~^~~~~~~~~~~~