Eroare de compilare: main.cpp:3:1: error: 'ifstream' does not name a type ifstream in("fact.in"); ^~~~~~~~ main.cpp:4:1: error: 'ofstream' does not name a type ofstream out("fact.out"); ^~~~~~~~ main.cpp: In function 'int main()': main.cpp:19:5: error: 'in' was not declared in this scope in >> p; ^~ main.cpp:21:15: error: 'out' was not declared in this scope if (p==0) out << 1; ^~~ main.cpp:35:9: error: 'out' was not declared in this scope out << st; ^~~ main.cpp:37:9: error: 'out' was not declared in this scope out << -1; ^~~ Non zero exit status: 1