Eroare de compilare: user.cpp:5:1: error: ‘ifstream’ does not name a type ifstream f("z.in"); ^ user.cpp:6:1: error: ‘ofstream’ does not name a type ofstream g("z.out"); ^ user.cpp: In function ‘int main()’: user.cpp:28:5: error: ‘f’ was not declared in this scope f >> n >> k; ^ user.cpp:32:7: error: ‘g’ was not declared in this scope g << afla(i,j,n)<<'\n'; ^ user.cpp:27:17: warning: unused variable ‘h’ [-Wunused-variable] int n,k,i,j,h; ^