Eroare de compilare: user.cpp:7:1: error: expected ‘;’ before ‘{’ token { ^ user.cpp:7:1: error: expected unqualified-id before ‘{’ token user.cpp: In function ‘void read()’: user.cpp:21:3: error: ‘G’ was not declared in this scope G[x].push_back(y); ^ user.cpp: In function ‘void print()’: user.cpp:29:11: error: ‘S’ was not declared in this scope while ( !S.empty() ) ^ user.cpp: In function ‘void dfs(int)’: user.cpp:41:17: error: ‘G’ was not declared in this scope for (auto &it: G[node]) ^ user.cpp:48:2: error: ‘S’ was not declared in this scope S.push(node); ^