Compilare: main.cpp: In function 'void DFS_cate_pe_ramura(int)': main.cpp:16:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for(i = 0; i < arb[nod].size(); i++){ | ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void DFS_count_devreme(int, int&)': main.cpp:27:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(i = 0; i < arb[nod].size(); i++){ | ~~^~~~~~~~~~~~~~~~~