Eroare de compilare: user.cpp: In function ‘void DFS(int)’: user.cpp:29:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < G[node].size(); ++i) ^ user.cpp: In function ‘int main()’: user.cpp:69:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0;j < nodes[i].size();++j) ^ user.cpp:75:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0;j < nodes[i].size();++j) ^ user.cpp:82:24: error: ‘memset’ was not declared in this scope memset(f, 0, sizeof(f)); ^ user.cpp:89:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0;j < nodes[i].size();++j) ^ user.cpp:95:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0;j < nodes[i].size();++j) ^