Eroare de compilare: user.cpp:1:1: error: ‘ifstream’ does not name a type ifstream f("z.in"); ^ user.cpp:2:1: error: ‘ofstream’ does not name a type ofstream g("z.out"); ^ user.cpp: In function ‘int main()’: user.cpp:19:1: error: ‘f’ was not declared in this scope f>>n>>k; ^ user.cpp:21:24: error: ‘pow’ was not declared in this scope parcurg(1,1,int(pow(2,n)),int(pow(2,n))); ^ user.cpp:25:9: error: ‘g’ was not declared in this scope g<<t[x][y]<<'\n'; ^ user.cpp:28:1: error: ‘g’ was not declared in this scope g.close(); ^