Eroare de compilare: main.cpp:3:1: error: 'vector' does not name a type vector <int>v[100001]; ^~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:6:5: error: 'seen' was not declared in this scope { seen[nod]=1; ^~~~ main.cpp:7:9: error: 'i' was not declared in this scope for(i=0;i<=v[nod].size();i++) ^ main.cpp:7:16: error: 'v' was not declared in this scope for(i=0;i<=v[nod].size();i++) ^ main.cpp:8:29: error: expected ']' before ')' token if(seen[v[nod][i]==0) ^ main.cpp: In function 'int main()': main.cpp:13:16: error: variable 'std::ifstream in' has initializer but incomplete type ifstream in("dfs.in"); ^ main.cpp:14:17: error: variable 'std::ofstream out' has initializer but incomplete type ofstream out("dfs.out"); ^ main.cpp:15:10: error: 'N' was not declared in this scope cin>>N>>M; ^ main.cpp:15:13: error: 'M' was not declared in this scope cin>>N>>M; ^ main.cpp:16:9: error: 'i' was not declared in this scope for(i=0;i<M;i++){ ^ main.cpp:17:13: error: 'a' was not declared in this scope cin>>a>>b; ^ main.cpp:17:16: error: 'b' was not declared in this scope cin>>a>>b; ^ main.cpp:18:8: error: 'v' was not declared in this scope v[a].push_back(b); ^ main.cpp:21:5: error: 'nr' was not declared in this scope nr=0; ^~ main.cpp:22:9: error: 'i' was not declared in this scope for(i=1;i<=N;i++) ^ main.cpp:23:12: error: 'seen' was not declared in this scope if(seen[i]==0) ^~~~ Non zero exit status: 1