Eroare de compilare: user.cpp:4:1: error: ‘ifstream’ does not name a type ifstream fin("energii.in"); ^ user.cpp:5:1: error: ‘ofstream’ does not name a type ofstream fout("energii.out"); ^ user.cpp: In function ‘int main()’: user.cpp:13:5: error: ‘fin’ was not declared in this scope fin>>g; ^ user.cpp:58:8: error: ‘fout’ was not declared in this scope fout<<-1; ^ user.cpp:60:9: error: ‘fout’ was not declared in this scope fout<<a[g][w]; ^