Eroare de compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:27:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<gf[node].size(); ++i){ ^ user.cpp: In function ‘int main()’: user.cpp:51:35: error: ‘unde’ was not declared in this scope for(int j=i; j<=i+sqrtN-1; ++j) unde[j] = (int)bucket.size()-1; ^ user.cpp:54:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<bucket.size(); ++i){ ^ user.cpp:63:14: error: ‘unde’ was not declared in this scope for(int i=unde[f[p]]; i<=unde[l[p]]; ++i){ ^