Compilare: main.cpp: In function 'int main()': main.cpp:33:8: warning: variable 'node' set but not used [-Wunused-but-set-variable] {int i,node; ^~~~ main.cpp: In function 'void dfs(int)': main.cpp:83:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<V[node].size();i++) ~^~~~~~~~~~~~~~~ main.cpp: In function 'void dfs2(int)': main.cpp:93:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<V[node].size();i++) ~^~~~~~~~~~~~~~~ main.cpp: In function 'void bfs(int)': main.cpp:102:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] {for(i=0;i<V[Coada.front()].size();i++) ~^~~~~~~~~~~~~~~~~~~~~~~~