Compilare: main.cpp: In function 'void Dfs(int, int)': main.cpp:24:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(ind[node] < G[node].size()) ~~~~~~~~~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:42:13: warning: unused variable 'x' [-Wunused-variable] int x, y; ^ main.cpp:42:16: warning: unused variable 'y' [-Wunused-variable] int x, y; ^