Eroare de compilare: user.cpp:2:1: error: ‘ifstream’ does not name a type ifstream f("algsort.in"); ^ user.cpp:3:1: error: ‘ofstream’ does not name a type ofstream g("algsort.out"); ^ user.cpp: In function ‘int main()’: user.cpp:50:1: error: ‘f’ was not declared in this scope f>>n; ^ user.cpp:55:2: error: ‘g’ was not declared in this scope g<<x[i]<<" "; ^