Compilare: main.cpp: In function 'void dfs(int)': main.cpp:16:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for (int j = 0; j < vecini[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:25:12: warning: unused variable 'j' [-Wunused-variable] 25 | int i, j, n, m, x, y, nr_adaugate = 0; | ^