Eroare de compilare: user.cpp: In function ‘void calc()’: user.cpp:13:14: error: ‘q’ was not declared in this scope while (! q.empty()) ^ user.cpp:16:21: error: ‘v’ was not declared in this scope for (i=0; i<v[k].size(); ++i) ^ user.cpp: In function ‘int main()’: user.cpp:29:8: error: ‘t’ was not declared in this scope f>>t; ^ user.cpp:30:10: error: ‘o’ was not declared in this scope for (o=1; o<=t; ++o) ^ user.cpp:35:24: error: ‘v’ was not declared in this scope f>>nod[i]; v[i].clear(); ^ user.cpp:41:13: error: ‘v’ was not declared in this scope v[x].push_back(y); ^ user.cpp:45:27: error: ‘q’ was not declared in this scope if (in[i]==0) q.push(i); ^