Compilare: user.cpp: In function ‘bool dfs(int)’: user.cpp:36:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<V[nod].size();i++) ^ user.cpp: In function ‘int maxfw()’: user.cpp:58:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<H.size();i++) ^ user.cpp:61:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0;j<V[now].size();j++) ^ user.cpp:72:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<V[D].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:161:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<rez.size();i++) ^