Compilare: main.cpp: In function 'int DFS(int, int)': main.cpp:12:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | while(poz[nod]<G[nod].size()){ | ~~~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'bool F_flux()': main.cpp:32:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | for(int i=0;i<G[nod].size();i++){ | ~^~~~~~~~~~~~~~