Eroare de compilare: user.cpp:1:21: error: fstream.h: No such file or directory user.cpp:2:20: error: vector.h: No such file or directory user.cpp:3: error: ‘ifstream’ does not name a type user.cpp:4: error: ‘ofstream’ does not name a type user.cpp:7: error: expected constructor, destructor, or type conversion before ‘<’ token user.cpp: In function ‘void dfs(int)’: user.cpp:12: error: ‘vector’ was not declared in this scope user.cpp:12: error: expected primary-expression before ‘int’ user.cpp:12: error: expected ‘;’ before ‘int’ user.cpp:12: error: ‘it’ was not declared in this scope user.cpp:12: error: ‘A’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:26: error: ‘f’ was not declared in this scope user.cpp:30: error: ‘in’ was not declared in this scope user.cpp:31: error: ‘A’ was not declared in this scope user.cpp:44: error: ‘g’ was not declared in this scope