Compilare: main.cpp: In function 'void fill(int)': main.cpp:12:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | for (int i = 0; i < adj[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:26:19: warning: format '%d' expects a matching 'int*' argument [-Wformat=] 26 | scanf("%d %d %d", &n, &m); | ~^ | | | int*