Compilare: main.cpp: In function 'int dfs(int, int)': main.cpp:39:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | while(frec[nod]<G[nod].size()) | ~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:48:31: warning: value computed is not used [-Wunused-value] 48 | mapp[{i,nod}]+x;