Compilare: main.cpp: In function 'void dfs(int, int*, std::vector<std::vector<int> >&, std::vector<int>&, 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 i = 0; i < v[nod].size(); i++) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:53:8: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized] 53 | dfs(m,a,v,stiva,rez); | ~~~^~~~~~~~~~~~~~~~~