Eroare de compilare: main.cpp:4:1: error: 'ifstream' does not name a type 4 | ifstream fin("asmax.in"); | ^~~~~~~~ main.cpp:5:1: error: 'ofstream' does not name a type 5 | ofstream fout("asmax.out"); | ^~~~~~~~ main.cpp:12:1: error: 'vector' does not name a type 12 | vector <int>G[NMAX + 5]; | ^~~~~~ main.cpp: In function 'long long int dfs(int)': main.cpp:19:20: error: 'G' was not declared in this scope 19 | for (auto it : G[x]) | ^ main.cpp:23:18: error: 'max' was not declared in this scope; did you mean 'std::max'? 23 | s += max(dfs(it), 0LL); | ^~~ | std::max In file included from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from main.cpp:1: /usr/include/c++/10/bits/stl_algobase.h:300:5: note: 'std::max' declared here 300 | max(const _Tp& __a, const _Tp& __b, _Compare __comp) | ^~~ main.cpp: In function 'int main()': main.cpp:33:5: error: 'fin' was not declared in this scope 33 | fin >> n; | ^~~ main.cpp:41:9: error: 'G' was not declared in this scope 41 | G[x].push_back(y); | ^ main.cpp:52:5: error: 'fout' was not declared in this scope 52 | fout << x; | ^~~~ Non zero exit status: 1