Compilare: user.cpp: In function ‘void CreateComponent(int, int)’: user.cpp:13:9: warning: unused variable ‘x’ [-Wunused-variable] int x=Stack.top().first,y=Stack.top().second; ^ user.cpp:13:29: warning: unused variable ‘y’ [-Wunused-variable] int x=Stack.top().first,y=Stack.top().second; ^ user.cpp: In function ‘void DFS(int, int)’: user.cpp:26:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[node].size();i++){ ~^~~~~~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:48:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<component[i].size();j++) ~^~~~~~~~~~~~~~~~~~~~