Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:28:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[nod].size(); i++) ^ user.cpp: In function ‘void dfs2()’: user.cpp:46:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < parcurgere.size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:74:9: warning: overflow in implicit constant conversion [-Woverflow] sol = 10000000000; ^