Compilare: main.cpp: In function 'int DFS(int, int)': main.cpp:17:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(int i=0;i<graf[nod].size();i++){ | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:57:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for(int i=0;i<critice.size();i++){ | ~^~~~~~~~~~~~~~~