Eroare de compilare: main.cpp:1:1: error: 'g' does not name a type 1 | g namespace std; | ^ main.cpp:2:1: error: 'ifstream' does not name a type 2 | ifstream f("johnie.in"); | ^~~~~~~~ main.cpp:3:1: error: 'ofstream' does not name a type 3 | ofstream g("johnie.out"); | ^~~~~~~~ main.cpp:5:1: error: 'unordered_map' does not name a type 5 | unordered_map<int, vector<int>> drum; | ^~~~~~~~~~~~~ main.cpp:6:1: error: 'vector' does not name a type 6 | vector<vector <pair<int, int>>> lista; | ^~~~~~ main.cpp:7:1: error: 'vector' does not name a type 7 | vector<bool> viz; | ^~~~~~ main.cpp: In function 'void DFS(int)': main.cpp:10:5: error: 'pair' was not declared in this scope 10 | pair < int, int > per; | ^~~~ main.cpp:10:12: error: expected primary-expression before 'int' 10 | pair < int, int > per; | ^~~ main.cpp:11:5: error: 'lista' was not declared in this scope 11 | lista.resize(n + 1); | ^~~~~ main.cpp:14:9: error: 'per' was not declared in this scope 14 | per = lista[s].back(); | ^~~ main.cpp:18:13: error: 'viz' was not declared in this scope 18 | if (viz[v] == false) | ^~~ main.cpp:25:9: error: 'drum' was not declared in this scope 25 | drum[nr].push_back(s); | ^~~~ main.cpp: In function 'int main()': main.cpp:31:5: error: 'f' was not declared in this scope 31 | f >> n >> m; | ^ main.cpp:32:5: error: 'lista' was not declared in this scope 32 | lista.resize(n + 1); | ^~~~~ main.cpp:33:5: error: 'viz' was not declared in this scope 33 | viz.resize(m + n + 1, 0); | ^~~ main.cpp:48:5: error: 'g' was not declared in this scope 48 | g << --nr << '\n'; | ^ Non zero exit status: 1