Eroare de compilare: user.cpp:5:1: error: ‘vector’ does not name a type vector<int> vecini[500001]; ^ user.cpp:7:1: error: ‘stack’ does not name a type stack<int> myStack; ^ user.cpp: In function ‘void DFS(int)’: user.cpp:11:21: error: ‘vecini’ was not declared in this scope for(int i = 0; i < vecini[index].size(); i++){ ^ user.cpp:16:2: error: ‘myStack’ was not declared in this scope myStack.push(index); ^ user.cpp: In function ‘int main()’: user.cpp:26:3: error: expected ‘;’ before ‘vecini’ vecini[x].push_back(y); ^ user.cpp:32:9: error: ‘myStack’ was not declared in this scope while(!myStack.empty()){ ^ user.cpp:20:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sortaret.in", "r", stdin); ^ user.cpp:21:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sortaret.out", "w", stdout); ^ user.cpp:23:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d ", &N, &M); ^ user.cpp:26:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] vecini[x].push_back(y); ^