Compilare: main.cpp: In function 'void dfs(int)': main.cpp:18:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i = 0; i < v[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:27:16: warning: unused variable 'j' [-Wunused-variable] 27 | int n, m, i, j, a, b, adaug = -1, scad = 0; | ^